Items Specification (BP 98) Result
Characteristics Colorless or white crystal Conforms
Identification Conforms Conforms
Clarity&colour of solution 20% Water solution clarity Conforms
Assay % 99.5-101.0 99.86%
Moisture % ≤0.5 0.13
Melting Point ℃ 153 153
PH value 1.5-2.5 1.8
Sulphates ppm ≤150 ＜30
Sulphated ash % ≤0.05 0.01
Oxalate ppm ≤100 ＜20
Calcium ppm ≤200 ＜10
Heavy metals ppm ≤1 ＜1
Iron ppm ≤10 ＜1
Chlorides ppm ≤50 ＜5
Lead ppm ≤0.05 ＜0.05
Arsenic ppm ≤1 ＜1
Mercury ppm ≤1 ＜1
Tridodecylamine ppm
Readily carbureted substance Conforms
Conforms
Barium Conforms Conforms
Bacterial endotoxin ≤0.5IU/mg ＜0.5IU/mg
Aluminium ≤0.2ppm ＜0.2ppm
Odor ODORLESS ODORLESS
Filtration C-c B-B
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