Citric Acid Anhydrous

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