Move Up to Matheson Standards

Accurate gas chromato­graphy is dependent upon your technique, your equip­ment, and your gases. A skilled gas chromatographer can enhance the accuracy of his results by using Matheson products exclusively. Three special products are of utmost importance.

Primary Standard Calibration Mixtures

The heart of your work centers around your calibration standards. Consider Matheson's Primary Stan­dards to improve your results. The accuracy of these mixtures usually exceeds that of most analytical instru­ments. Matheson Primary Standards are prepared on high load, high sensi­tivity analytical balances. Each gas component is carefully quality con­trolled before being weighed into the

cylinder. Only weights traceable to the National Bureau of Standards are used. These mixtures give the highest degree of accuracy, precision and confidence. Move up today! Insist on Matheson Primary Standards.

Carrier Gases The same exacting quality you get

in Matheson Primary Standard Cali­bration Mixtures is also available in Matheson's carrier gases. No slipping in quality control here. Each Matheson UHP, Zero Gas, Ultra Zero Gas, and, of course, Matheson Purity Gas is guaranteed to be exactly what the label says. Nothing more, nothing less. Improve your GC operation today with the right carrier gas from Matheson.

Gas Handling Systems Don't jeopardize the integrity of

your gases with gas handling equip­ment of inferior quality. Matheson has

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the right piece of equipment for every job. From regulators that don't outgas impurities, to filters for protecting delicate valves, to flowmeters that measure precisely, Matheson equip­ment is the standard. When your work requires the best, don't settle for less than Matheson Standards.

From pharmaceuticals to petroleum, from laser technology to aerospace, when only the best will do, do what so many experienced scientists do, move up to Matheson Standards.

For more information, contact Matheson, at (201) 867-4100, or circle the Reader Service Number below.

Matheson <• •> Gas Products World Leader in Specialty Gases & Equipment 30 Seaview Drive, Secaucus, NJ 07094