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9 Appendix A. Pyxis Methods and Hach® Methods Cross Reference
Corresponding Hach © method
Chlorine, Free, DPD, PRMP 9
Chlorine, Totoal, DPD, PRMP 9
Copper, Bicinchoninate, PRMP 20
DEHA, Iron Reduction Method for Oxygen
Scavengers, PRMP 25
Calcium and Magnesium: Calmagite Colorimetric
Method
Iron, 1,10 phenanthroline, PRMP 33
Molybdenum, High Range, Mercaptoacetic Acid,
PRMP 44
Molybdenum, Low Range, Ternary Complex,
PRMP 47
Nitrite, High Range, Ferrous Sulfate, PRMP 59
Nitrite, Low Range, Diazotization
Phosphorus, Reactive, Molybdovanadate, GRMP
77
Phosphorus, Reactive, Orthophosphate Ascorbic
Acid, GRMP 79
Phosphonates, Persulfate UV Oxidation
Phosphorus, Reactive, Amino Acid, GRMP 85
Chlorine Dioxide, DPD, PRMP 112
Silica, High Range, Silicomolybdate, PRGM 89
Silica, Low Range, Heteropoly Blue
Benzotriazole, UV Photolysis, PRMP 3
Iron, for cooling water with molybdenum-based
treatment, PRMP 38
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