ia ratios for n, p2o5 and k2o in magruder datap2o5 molybdate , citrate-edta ext. automated,...
TRANSCRIPT
![Page 1: IA ratios for N, P2O5 and K2O in Magruder dataP2O5 molybdate , Citrate-EDTA Ext. automated, Citrate-EDTA Ext gravimetric, Citrate-EDTA Ext 962.02 C 978.01 D-H 993.31 960.03 D 993.31](https://reader033.vdocuments.mx/reader033/viewer/2022053114/608f360f732ab131725e08c6/html5/thumbnails/1.jpg)
IA ratios for N, P2O5 and K2O in
Magruder data
F.J. Sikora Division of Regulatory Services
University of Kentucky
Lab Services Committee Savannah, GA Feb 20, 2018
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N: # of labs
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WS 25-5-15 w/instructions
WS 25-5-15
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P: # of labs
![Page 9: IA ratios for N, P2O5 and K2O in Magruder dataP2O5 molybdate , Citrate-EDTA Ext. automated, Citrate-EDTA Ext gravimetric, Citrate-EDTA Ext 962.02 C 978.01 D-H 993.31 960.03 D 993.31](https://reader033.vdocuments.mx/reader033/viewer/2022053114/608f360f732ab131725e08c6/html5/thumbnails/9.jpg)
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P2O5
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molybdate , Citrate-EDTA Ext.
automated, Citrate-EDTA Ext
gravimetric, Citrate-EDTA Ext
962.02 C
978.01 D-H
960.03 D 993.31
993.31
993.31
Updating P method codes
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K: # of labs
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WS 25-5-15 w/instructions
WS 25-5-15
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WS 25-5-15 w/instructions
WS 25-5-15
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K2O
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QUESTIONS
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8 or more tests only
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Nitrogen Method 010.60, combustion
n = 45 to 60
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Phosphorus Method 041.60, Direct Available P2O5, citrate-soluble
n = 8 to 14
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Phosphorus Method 041.51, Direct Available P2O5, ICP citrate-soluble
n = 3 to 9
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Potassium Method 050.00, Soluble K2O, STPB Oxalate
n = 7 to 14
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Potassium Method 050.52, Soluble K2O, ICP citrate-EDTA
n = 4 to 11