Customization: | Available |
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CAS No.: | 62-54-4 |
Formula: | C4h6cao4 |
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Grade | U.S.P | F.C.C | Technical |
Assay% | 99.0-100.5 | 99.0-100.5 | 98.0-100.5 |
pH of a 5% solution at 25ºC | 6.3-9.6 | 6.3-9.6 | 6.3-9.6 |
Arsenic (As) %≤ | 0.0003 | 0.0003 | ------- |
Water (H2O) %≤ | 7.0 | 7.0 | 10.0 |
Chloride(CI) %≤ | 0.05 | 0.05 | 0.1 |
Fluoride(F) %≤ | 0.005 | 0.005 | ------- |
Sulfate (SO4) %≤ | 0.06 | 0.1 | 0.1 |
Lead(Pb)%≤ | 0.001 | ------ | ------ |
Heavy metals%≤ | 0.0025 | 0.001 | 0.001 |
Pharmaceutical g rade conforms to: USP 27(reagent spec) | |||
Both grades conform to: | US Food Chemicals Codex5 The criteria of purity of the EC (specified for E263) WHO 1964(spec for identity and purity food additive) USP 27 and BP 2004 |