Sulfanilic acid
Purity: 99% min
Aniline: 0.01% max
Water insolbles: 0.1% max
Moisture: 0.5% max
Mono ammonium phsophate
Main content(as nh4h2po4): 98.0% min
P2o5: 61.0% min
N: 12.0% min
Ph: 4.4-4.6
Water insolubles: 0.10% max
Moisture: 0.5% max
Mono potassium phosphate
Specs: main content: 98.0% min
P2o5: 51.0% min
K2o: 34.0% min
Water insolubles: 0.10% max
As: 0.005% max
Fe: 0.003% max
Pb: 0.005% max
Chloride: 0.20% nax
Moisture: 0.50% max
Ph: 4.2-4.6
Sodium hexametaphosphate
Total phosphate (as p2o5): 68.0% min
Inactive phosphate (as p2o5): 7.5% max
Fe: 0.05% max
Ph(1% solution): 5.8-7.3
Water insolubles: 0.05% max
