TABLES OF
SPECTRAL LINES
TABLES OF
SPECTRAL LINES
A. N. Zaidel', V. K. Prokof'ev, S.M. Raiskii, V. A. Slavnyi, and E. Ya. Shreider
Translated from Russian
SPRINGER SCIENCE+BUSINESS MEDIA, LLC 1970
The Russian work underlying this translation is the third, revised edition, published by Nauka Press in Moscow in 1969. The translation is published under an agreement with Mezhdunarodnaya Kniga, the Soviet book export
agency.
LUpeuoep l?Aena JlT<osAesna
ISBN 978-1-4757-1603-0 ISBN 978-1-4757-1601-6 (eBook) DOI 10.1007/978-1-4757-1601-6
© 1970 Springer Science+Business Media New York
Originally published by Plenum Publishing Corporation New York in 1970
All rights reserved
No part of this publication may be reproduced in any form without written permission from the publisher
CONTENTS
PART ONE. Tables of Spectral Lines in•Order of Decreasing Wavelength............... 35
PART Two. Tables of Spectral Lines by Elements ........................................ 351
Ac (actinium). . . . . . . . . . . . . . . . . . . . . . . . 351 Ag (silver). . . . . . . . . . . . . . . . . . . . . . . . . . 355 AI (aluminum). . . . . . . . . . . . . . . . . . . . . . . 357 Am (americium) ..................... 360 Ar (argon) ........ · . . . . . . . . . . . . . . . . . . 362 As (arsenic) . . . . . . . . . . . . . . . . . . . . . . . . . 370 At (astatine). . . . . . . . . . . . . . . . . . . . . . . . 372 Au (gold) . . . . . . . . . . . . . . . . . . . . . . . . . . . 372 B (boron) . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 4 Ba (barium) ......................... 375 Be (beryllium). . . . . . . . . . . . . . . . . . . . . . . 378 Bi (bismuth) . . . . . . . . . . . . . . . . . . . . . . . . 379 Bk (berkelium) ...................... 382 Br (bromine). . . . . . . . . . . . . . . . . . . . . . . . 382 C (carbon) .......................... 387 Ca (calcium) ........................ 389 Cd (cadmium). . . . . . . . . . . . . . . . . . . . . . . 392 Ce (cerium) ......................... 394 Cf (californium) ...................... 400 Cl (chlorine) ........................ 400 Cm (curium). . . . . . . . . . . . . . . . . . . . . . . . 405 Co (cobalt). . . . . . . . . . . . . . . . . . . . . . . . . . 406 Cr (chromium). . . . . . . . . . . . . . . . . . . . . . . 418 Cs (cesium). . . . . . . . . . . . . . . . . . . . . . . . . 431 Cu (copper) ......................... 433 Dy (dysprosium) ..................... 439 Er (erbium). . . . . . . . . . . . . . . . . . . . . . . . . 441 Es (einsteinium) ...................... 444 Eu (europium) ....................... 445 F (fluorine). . . . . . . . . . . . . . . . . . . . . . . . . . 448 Fe (iron). . . . . . . . . . . . . . . . . . . . . . . . . . . . 451 Ga (gallium). . . . . . . . . . . . . . . . . . . . . . . . . 489 Gd (gadolinium). • . . . . . . . . . . . . . . . . . . . 490 Ge (germanium) . . . . . . . . . . . . . . . . . . . . . 495 H (hydrogen). . . . . . . . . . . . . . . . . . . . . . . . 498 He (helium). . . . . . . . . . . . . . . . . . . . . . . . . 499
Hf (hafnium). . . . . . . . . . . . . . . . . . . . . . . . 501 Hg (mercury) ........................ 506 Ho (holmium). . . . . . . . . . . . . . . . . . . . . . . . 508 In (indium).. . . . . . . . . . . . . . . . . . . . . . . . . 510 Ir (iridium) .......................... 512 J (iodine). . . . . . . . . . . . . . . . . . . . . . . . . . . . 514 K (potassium) ....................... 518 Kr (krypton) . . . . . . . . . . . . . . . . . . . . . . . . 520 La (lanthanum) ...................... 528 Li (lithium).. . . . . . . . . . . . . . . . . . . . . . . . . 532 Lu (lutetium). . . . . . . . . . . . . . . . . . . . . . . . 533 Mg (magnesium). . . . . . . . . . . . . . . . . . . . . 534 Mn (manganese) ..................... 537 Mo (molybdenum). . . . . . . . . . . . . . . . . . . 544 N (nitrogen). . . . . . . . . . . . . . . . . . . . . . . . . 549 Na (sodium) ......................... 556 Nb (niobium). . . . . . . . . . . . . . . . . . . . . . . . 558 Nd (neodymium) ..................... 564 ~~~n) ........................... ~7 Ni (nickel) . . . . . . . . . . . . . . . . . . . . . . . . . . 57 4 Np (neptunium) ...................... 580 0 (oxygen). . . . . . . . . . . . . . . . . . . . . . . . . . 581 Os (osmium) ......................... 587 P (phosphorus) . . . . . . . . . . . . . . . . . . . . . . 591 Pa (protactinium) .................... 594 Pb (lead). . . . . . . . . . . . . . . . . . . . . . . . . . . . 597 Pd (palladium). . . . . . . . . . . . . . . . . . . . . . . 599 Pm (promethium) .................... 602 Po (polonium). . . . . . . . . . . . . . . . . . . . . . . 607 Pr (praseodymium) ................... 608 Pt (platinum). . . . . . . . . . . . . . . . . . . . . . . . 613 Pu (plutonium). . . . . . . . . . . . . . . . . . . . . . 615 Ra (radium). . . . . . . . . . . . . . . . . . . . . . . . . 622 Rb (rubidium). . . . . . . . . . . . . . . . . . . . . . . 624 Re (rhenium) . . . . . . . . . . . . . . . . . . . . . . . . 625 Rh (rhodium). . . . . . . . . . . . . . . . . . . . . . . . 629
CONTENTS 6
Rn (radon). . . . . . . . . . . . . . . . . . . . . . . . . . 633 Ru (ruthenium) ...................... 636 S (sulfur) . . . . . . . . . . . . . . . . . . . . . . . . . . . 644 Sb (antimony). . . . . . . . . . 646 Sc (scandium). . . . . . . . . . . . . . . . . . . 649 Se (selenium). . . . . . . . . . . . . . . . . . . . . . . . 651 Si (silicon). . . . . . . . . . . . . . . . . . . . . . . . . 654 Sm (samarium) . . . . . . . . . . . . . . . . . . . . . . 659 Sn (tin). . . . . . . . . . . . . . . . . . . . . . . . 665 Sr (strontium). . . . . . . . . . . . . . . . . . . . 667 Ta (tantalum) . . . . . . . . . . . . . . . . . . 668 Tb (terbium). . . . . . . . . . 675 Tc (technetium). . . . . . . . 678
Te (tellurium). . . . . . . . . . . . . . . . . . . . . . . 684 Th (thorium). . . . . . . . . . . . . . . . . . . . . . . . 686 Ti (titanium). . . . . . . . . . . . . . . . . . . . . . . . 695 Tl (thallium). . . . . . . . . . . . . . . . . . . . . . . . 702 Tu (thulium). . . . . . . . . . . . . . . . . . . . . . . . 703 U (uranium). . . . . . . . . . . . . . . . . . . . . . . . . 706 V (vanadium) ........................ 716 W (tungsten) . . . . . . . . . . . . . . . . . . . . . . . . 725 Xe (xenon). . . . . . . . . . . . . . . . . . . . . 734 Y (yttrium) ......................... 740 Yb (ytterbium) ...................... 742 Zn (zinc) ............................ 746 Zr (zirconium) ....................... 748
PART THREE. Auxiliary Tables ............................................................ 753
1. Sensitive Lines (by Element) .................................................... 753 2. Sensitive Lines (by Wavelength) ................................................. 761 3. Lines of Hydrogen Isotopes (Balmer Series) ....................................... 767 4. Wavelength Standards .......................................................... 767 5. Provisional Wavelength Standards in Vacuum Region .............................. 770 6. Absolute Values of Oscillator Strengths for Some Lines of Selected Elements. . . . . . . . . . . 772 7. Correction llX for Conversion from Wavelength in Air (Xair) to Wavelength in Vacuum
(Xvac) ......................................................................... 778 8. Inverse Linear Dispersion of Prismatic Spectrographs ............................... 778 9. Order of Appearance of Lines in Carbon Arc When Sample Is Vaporized from Carbon­
Anode Channel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 779 10. Ionization Energies of Atoms and Ions (in Electron Volts) .......................... 780 11. Melting and Boiling Points of Elements and Their Oxides ........................... 781
PREFACE TO THE FIRST EDITION
The broad development of spectroscopy in our country and, in particular, the extensive industrial applications of methods of spectral analysis make the need for basic reference literature a pressing one.
Tables of spectral lines, as basic, primary material necessary for the identifica­ tion of spectra, are the most important of these reference books.
The need for such tables is acutely felt by all who work in spectroscopy, and numerous requests for such a book have been received by the Commission on Spectroscopy of the Academy of Sciences of the USSR.
On the world book market there are fairly complete tables that cover a very great number of spectral lines and that have been complied rather carefully, although they are not free of errors. Tables of this kind are undoubtedly necessary in general spectroscopic research and must be included among the reference books of large scientific institutions. But the number of workers who need such complete tables is comparatively limited. Therefore, after long discussion it was deemed impractical to republish these tables.
Bearing in mind, first of all, the interests of a vast circle of practicing spectros­ copists, the Commission on Spectroscopy considered it advisable to compile a new book that would contain fairly complete lists of the spectral lines of the more important elements but would not be overloaded with an abundance of weak lines, especially those associated with relatively unabundant elements, for an extremely large amount of data makes it difficult to use tables. The judicious selection of the most important lines was the first essential task of the compilers, who were guided by the vast practical experience that has been accumulated in our country. Their choice was based on the importance of particular elements that form the basis of industrial materials or represent impurities whose presence or absence is of technological significance. These data make up the first part of the book, where the spectral lines are arranged in order of decreasing wavelength. Harrison's tables,* which were the most complete, served as the starting material for this part of the book.
This part is basic tabular material containing the wavelengths of approxi­ mately 40,000 lines (of Harrison's 109,000). It must be consulted especially often in identifying spectra, performing quantative spectral analysis, and in developing methods of quantitative analysis.
Moreover, the book contains a number of other tables that represent a different classification of spectral lines or include additional data. Thus, in the second part
*G. R. Harrison, Wavelength Tables, M.I.T. Press, Cambridge, Mass. (1939).
PREFACE TO THE FIRST EDITION 8
the spectral lines are arranged by element. These data are particularly important in analyzing materials for purity, and also in other theoretical and practical problems. It is often essential to know the nature of excitation of a particular line. Therefore, this part of the book indicates whether a line pertains to the spectrum of an atom or ion, and it also gives the excitation potentials of a great number of lines. These data greatly increase the value of the tables and make it unnecessary for the reader to resort to the insufficiently systematized and difficult-to-obtain original literature. The selection of the material for this part of the book also required careful consideration and was based on the vast experience of the compilers.
The third part gives important reference material of an auxiliary nature: tables of the principal physical constants of the elements and their important compounds (molecular weight, melting and boiling points, volatility tables, etc.); tables of recent lines of the elements; tables of ionization potentials; data on the dispersion of domestic spectral apparatus; etc.
Thus, this book gives, in convenient form, fairly completely all of the reference material required for the everyday work of the spectroscopist.
It was considered inadvisable to include photographic reproductions of the more important spectra, as was done in the tables edited by S. L. Mandel'shtam and S. M. Raiskii, which were published in 1938. The need for good graphical material is, of course, very great, but at present it cannot be met by such photo­ graphic reproductions. What are required are atlases that have independent value and correspond to the original Soviet apparatus with which our laboratories are equipped. One atlas of this type (A. K. Rusanov) is already on sale; others are being prepared for publication (S. K. Kalinin, A. A. Yavnel', et al.). They are fully adequate texts, which, along with the prenset tables of spectral lines, will afford our spectroscopists normal working conditions.
Academician G. S. Landsberg
FROM THE PREFACE TO THE SECOND EDITION
The second edition incorporates very valuable comments from a number of spectroscopists, to whom the authors are deeply indebted.
Information on the spectra of elements studied in recent years has been included. The list of lines belonging to the spectra of individual elements has been expanded, and a great number of lines in the vacuum ultraviolet and lines of multiply charged ions have been included. The table of spectral lines of molecular hydrogen has been omitted, but tables of wavelength standards and of spectra of hydrogen isotopes have been added. The data on linear dispersion are represented as a graph, which allows the basic types of prismatic instruments to be evaluated. Finally, references have been added to the tables.
Part One was compiled by S. M. Raiskii, Part Two by A. N. Zaidel' and E. Ya. Shreider, and Part Three and the excitation potentials for a great number of the elements in Part Two were compiled by V. K. Prokof'ev.
I. I. Komissarova, E. A. Ptitsyna, R. P. Rebezova, V. A. Slavnyi, and L. V. Sokolova rendered a great deal of assistance in checking the wavelengths and calculating the excitation potentials. We also thank G. Gorodnigus for making available his excitation-potential calculations.
The Authors
PREFACE TO THE THIRD EDITION
The book has been substantially revised for the third edition. The data in Part One have been supplemented and made more accurate. Part Two has been completely redone, and Part Three has been enlarged and partially replaced with new material. The nature and arrangement of the material remain the same, however.
The basic information on atomic spectra necessary for the overwhelming majority of work in applied spectroscopy is covered, as is certain other information of interest primarily to analytic spectroscopists.
All of the data on wavelengths and excitation potentials have been rechecked and recalculated according to modern publications. The references have been enlarged and annotated. Part One was compiled by S. M. Raiskii and V. A. Slavnyi, Part Two by A. N. Zaidel' and E. Ya. Shreider, and Part Three by V. K. Prokof'ev.
We sincerely thank all of the spectroscopists who sent their comments, and we shall appreciate comments on this edition.
The Authors February 1968
INTRODUCTION
This book has three parts. Part One contains the spectral lines of 60 elements in order of decreasing wavelength. Part Two gives the spectral lines of 98 elements individually for each element. Part Three provides auxiliary reference material. The most difficult problem in compiling the tables in which selected data are given was the selection itself. The lines have been reselected in accordance with new information and the increasing requirements of practicing spectroscopists. The total number of lines has been increased and is approximately 52,000 in Part One and about 38,000 in Part Two. Parts One and Three cover the region from 8000 to 2000 A, i.e., the region that is usually used in quantitative and qualitative spectral analysis.
In Part One, the lines of 32 elements that are necessary for analysis of the most important metals and alloys are given very completely. These elements are aluminum, antimony, arsenic, bismuth, cadmium, calcium, carbon, cerium, chromium, cobalt, copper, gold, indium, iron, lead, magnesium, manganese, molybdenum, nickel, niobium, phosphorous, platinum, silicon, sodium, sulfur, silver, tin, titanium, tungsten, vanadium, zinc, and zirconium.
The spectral lines of air (oxygen and nitrogen) excited in the light sources that are usually employed in spectral analysis are also given rather completely, as are the lines of mercury, which is used everywhere in the laboratory, and the spectra of elements that have few lines: boron, lithium, beryllium, and hydrogen.
The spectra of 21 elements whose content in ordinary industrial materials is small are given with considerable abridgments, due to low line intensity. These elements are barium, cesium, gallium, germanium, hafnium, iodine, iridium, osmium, palladium, potassium, rhenium, rhodium, rubidium, ruthenium, scandium, selenium, strontium, tantalum, tellurium, thallium, and yttrium.
In order not to overload the tables with lines of elements that are rarely encountered in spectral analysis of metals and alloys, we omitted entirely from Part One the lines of the inert gases, the radioactive elements, halogens (except iodine), lanthanides (except cerium), and actinides.
Part One also gives the wavelengths of the edges of the intense molecular bands that are usually present in the spectra (designated by the letter K in front of the symbol of the element).
Analysis of the totality of the data in the literature has shown that measure­ ment accuracy does not allow wavelengths to be given to 0.001 A, as was done in part in the earlier editions of this book. The discrepancies between the data of different authors sometimes exceed 0.1 A, and discrepancies of 0.02-0.03 A are common. Therefore, the wavelengths of all lines, with the exception of the standards, are given to 0.01 A, and the last significant figure cannot be considered reliable. The tables show the data that seemed to us most accurate, but their
INTRODUCTION 12
selection contains an element of arbitrariness, since it was impossible to compare the experimental conditions under which measurements were made.
Where it was possible, it is noted whether a line pertains to a neutral atom or an ion (by use of the symbols I, II, III, etc., after the element symbol or before the wavelength). When data on the classification of the spectrum are absent, the lines attributed to an atom or an ion of one or another multiplicity are not reliable. In Part One, such designations are given in parentheses. In Part Two, this un­ certainty is indicated by the absence of information on the excitation energy.
Line intensities in Part One are given for three light sources: arc, spark, and discharge tube (in the latter case, the numbers are in parentheses).
The data on intensity should be used with great care and considered provi­ sional, since the relative intensity of the spectra of atoms and ions varies greatly according to the parameters of the power supply of the light source.
Moreover, intensity measurements are often made incorrectly-without proper quantitative calibration of the instrument and receiver. As a result, the measure­ ments made by various authors can differ by a factor of 100 or more. In particular, the very elaborate measurements of Meggers, Corliss, and Scribner, who studied the intensities of a great many lines of 70 elements (11}, were, as a Corliss later showed, invalid for all lines shorter than 2450 A. In this case, the factor for converting from the old measurements to the new reached 300. The corresponding recalculations were made where we used the data of I 11} in Part Two. There are bases for assuming that the data of Meggers et al. on the intensity of lines in the infrared are also understated.
It should be borne in mind that the intensity estimates for an arc are for a constant current of ,...._,10 A.
The intensity scale proposed by Harrison I 1} is used in Parts One and Three. A proportional scale in which the most intense line of a given element has 1000 relative intensity units (individual, especially intense lines have up to 9000 units) is used to estimate the line intensity of each element. Thus, these intensity estimates can serve only for comparison of the lines of one and the same element. Great care, however, should be exercised in comparing lines located in widely separated regions of the spectrum.
With all of the shortcomings of the Harrison scale, the principal one being the subjective nature of the intensity estimates, it has the indubitable virtue that all of the data in I 1} were obtained by a single method in the same laboratory.
Part Two of the tables contains the wavelengths of the lines of all elements whose spectra have been studied grouped by element. The lines are arranged in order of decreasing wavelength, and the elements are in alphabetical order by their chemical symbols.*
The line wavelengths of 98 elements-from hydrogen (1) to einsteinium (99)-are given. There are no data in the literature on the spectra of francium (87) or any element whose atomic number is greater than 99.
Unlike Part One, we included in Part Two information on lines in the vacuum ultraviolet and infrared regions, and also the excitation potentials of the lines.
All wavelengths of less than 2000 A are adjusted to a vacuum. The excitation energies are read from the normal states of the atoms and ions
and are given in electron volts. The lines of Th III and U II, for which the reference point is not always known,
are exceptions. All excitation energies were obtained from the spectroscopic values of the
levels (1 eV-8067.1 cm-1).
• Note that J rather than I has been used for iodine.
13 INTRODUCTION
When two or more excitation energies are given for a single line, it is because of accidental coincidence of the wavelengths of lines that correspond to transitions between levels with different upper-level energies. If lines that belong to ions with different multiplicities coincide, the excitation potential of the line of the ion with the lower degree of ionization is given first.
Most of the data on excitation energy are taken from original works. When these data are absent in original articles, however, the excitation energies are taken from the tables of Moore { 3, 4} and Meggers et al. { 11}.
It was considered inadvisable to retain the Harrison intensity scale in Part Two. For a number of lines, the intensity data were taken from the tables of Meggers et al. { 11}. The intensity scale in these tables is constructed as follows. The spectra of the 70 elements studied were excited in an arc between copper or silver elec­ trodes. The element under study was contained in the electrode material as an impurity in atomic concentrations of 0.1, 0.01, 0.001, 0.0001, ... %. The lines that appeared in the spectrum only at a 0.1% concentration were assigned an intensity of 1; the lines that appeared at a 0.01% concentration were assigned an intensity of 10; etc. Thus, this scale is well-adapted to the requirements of spectral analysis of metals and alloys.
The tables of Meggers, Corliss, and Scribner, however, do not contain a great number of lines. We attempted to extend their scale to lines taken from other sources, so that the intensities of the greatest possible number of lines of each element could be given in the same units. With this in mind, we selected in the spectrum of an element several lines for the intensities of which there were data by Meggers et al. and in other places. A factor for conversion from one scale to another was calculated from the set of these intensity values.
It should be noted that the conversion factors calculated from different lines of the same element sometimes differ by a factor of more than 100. In these cases, the scales are incomparable for all practical purposes, and we were forced to abandon conversion of the other data to the Meggers scale.
In all other cases, the intensity values are given in the scale used in the original work. The light source used is also indicated. It should be borne in mind that the data for the different sources have little relationship to one another and only the intensities of lines for the same source can be compared.
Note, also, that although the intensity of the lines of Fe I and Fe II is given according to Harrison's tables, the intensity of the lines of Fe II shorter than 2250 A is given according to Moore's tables !3}.
A dash in an intensity scale, as a rule, indicates the absence of quantitative intensity estimates, although the line is intense enough to be included in the table.
The following principle underlies the selection of the lines in Part Two: the spectra of hydrogen, helium, aluminum, and other elements with few lines are represented as completely as possible, while the other elements are represented by their intense lines. The lack of reliably comparable data on the intensity of lines that belong not only to the spectra of different elements but also to the spectrum of the same element makes such a selection nonunique.
In selecting the material for Part Two, we attempted to represent more thoroughly the elements that are of industrial importance, but of course, our personal tastes and interests probably played a certain role, and we cannot claim that the selection of lines is the best possible.
The following reference data for spectral analysis are included in Part Three. 1. A table of sensitive lines arranged in the alphabetical order of the elements. 2. A table of sensitive lines arranged according to wavelength. 3. A table of line wavelengths for the isotopes of hydrogen. 4. A table of wavelength standards.
INTRODUCTION 14
5. A table of provisional wavelength standards for the vacuum region of the spectrum.
6. A table of oscillator strengths. 7. Corrections for conversion from wavelength in air to wavelength in a
vacuum. 8. A graph of the linear dispersion of spectrographs. Approximate values
of the linear dispersion of the main types of prismatic instruments are given. 9. A table of the order of appearance of the lines of the elements in a carbon
arc. 10. A table of the ionization potentials of atoms of the elements and their ions. 11. A table of melting and boiling points of the elements and their oxides. 12. A periodic table. The data published in the works listed below were taken into account in the
preparation of the third edition.
ANNOTATED BIBLIOGRAPHY
The following symbols are used in the References. 1. The letters 'KJI" indicate that data on the classification of the spectrum or on the level
energy are given. 2. The words "wavelength standards" mean that lines that are assumed to be or are used
as wavelength standards are given.
Tables and Reference Publications
{1} G. R. Harrison, M. I. T. Wavelength Tables of 100 000 Spectrum Lines, New York, 1939.
{2} A. Gat t ere r, J. Junk e s, Atlas der Restlinien, Italia. Specola Vaticana. Bd. I. Atlas der Restlinien von 30 chemischen Elementen. 1937. Bd. II. Spektren der seltenen Erden, 1945.
{3} C. E. M o o r e, An Ultraviolet Multiplet Table. Circular of the National Bureau of Standards 488, Section I, Washington, 1950, Section II, 1952. Section III, 1964.
{4} C. E. Moore, A Multiplet Table of Astrophysical Interest Princeton. Part I, Part II, 1945. {5} W. R. Brode, Chemical Spectroscopy, 2d ed., New York-London, 1943. {6} Handbook of Chemistry and Physics. Chemical Rubber Publishing Co. Cleveland, Ohio, 38th
ed., 1956. {7} L a n d o I t B o r n s t e i n, Zahlenwerte und Funktionen aus Physik, Chemie, Astronomic,
Geophysik und Technik. VI. Auflage, I. Band, I. Teil, Berlin, 1950. {8} C. E. Moore, Atomic energy levels., vol. I, 1949; vol. II, 1952; vol. III, 1958, Washington. {9} A. F ow I e r, Report on Series in Line Spectra. London, 1922.
{10} R. N. K niseI e y, V. A. Fa sse I, C. F. Lentz, Spectrochim. Acta 16, 863, 1960. (Corrections of Harrison's tables.)
{11} W. F. Meggers, C. H. Corliss, B. F. Scribner, Tables of Spectral-Line Inten­ sities, 1961.
{12} A. P. S trig an o v, N. S. S vent its k i i, Tables of Spectral Lines of Neutral and Ionized Atoms [in Russian], Atomizdat (1966); English translation: IFI Plenum, New York (1968).
{13} B. Ed I en, Rep. Progr. in Phys. 26, 181 (1963). (Vacuum ultraviolet region.) {14} A. N. Z aide 1', E. Y a. S h reid e r, Vacuum Ultraviolet Spectroscopy [in Russian],
Nauka (1967), pp. 246-271. {15} 1. K u b a, L. Kucera, F. PI z a k, M. Dvorak, J. M r a z, Tables of Co­
incidences in Atomic Spectroscopy [in C£ech], Czechoslovak Academy of Sciences, Prague (1964). .
{16} C. H. Cor I iss, Spectrochim. Acta 23B, 177 (1967). {17} J. A. Norris, Wavelength Table of Rare-Earth Elements and Associated Elements including
Zr, Re and Te, U.S. Atomic Energy Commission Reports, ORNL-2774, 1961.
Ac 1. W. F. Meg g e r s, M. Fred, F. S. Tomkins, J. Re~. Nat. Bur. Standards 58, 297 (1957)
(Ac I, II, III 7890-2060 A, KJI.). 2. W. F. M e g g e r s, Spectrochimica Acta 10, 195 (1958) (Ac I, II, III 7870-2550 A, KJI.). 3. N. I. K a I) tee v ski i, A. N. R a z u m o v ski i, Atomnaya energiya, 3, 548 (1957)
(4040-2720 A).
Ag 1. A. G. She n stone, Phys. Rev. 57, 894 (1940) (Ag I 40 000-1250 A, KJI.). 2. E. Rasmussen, Danske Kgl. Vidensk. Selsk. Mat.-Fys. Medd. 18, N° 5, 32 (1940) (Ag I, II,
Kn.) - cited in {3, 4}.
BIBLIOGRAPHY
3. A. G. She n stone, Phys. Rev. 31, 317 (1928) (Ag II 3400-1110 A, KJI.). 4. W. P. Gilbert, Phy~. Rev. 47, 847 (1935) lAg II 11 000-4000 A; 2600-500 A, KJI.) . . ') E. Rasmussen, Phys. Rev. 57, 840 (1940) (Ag II 5540-3180 A, KJI.).
16
6. L. Bloch, E. Bloch, L. K. Tao, Ann. de Phys. 20,111945) (Ag II, III 7000-2270A, KJI.). 7. W. P. Gilbert, Phys. Rev. 48, 338 (1935) (Ag III 3020-700 A, KJI.).
AI
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Am
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Ar
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17 BIBLIOGRAPHY
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19 BIBLIOGRAPHY
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BIBLIOGRAPHY 20
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21 BIBLIOGRAPHY
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Hg
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In
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23 BIBLIOGRAPHY
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