1.1 This test method covers the colorimetric determination of phosphonate (PNA) in brines from gas and oil production operations in the range from 0.1 to 5 mg/L.1.2 This phosphonate method is intended for use to analyze low concentration of phos
ASTM
Standard Test Method for Phosphonate in Brines
STD-51069
2004
2004-03-01
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