Certification: | QS, ISO, FDA, SGS |
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Shape: | Powder |
Type: | Vitamin |
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Audited by an independent third-party inspection agency
Testing Item | Standard | Result |
Appearance | White or almost white, crystalline powder or small, colourless granule | conforms |
Assay (on dry basis) | 98.5% ~ 101.0% | 100.00% |
Identification | A: IR absorption; | conforms |
C: Reaction of nitrates | ||
Appearance of solution | Clear, not more intense than Y7 | conforms |
PH | 6.8 ~ 7.5 | 7.2 |
Loss on drying | ≤0.5% | 0.08% |
Chloride | ≤0.06% | <0.06% |
Sulphated ash | ≤0.1% | 0.02% |
Heavy metals | ≤10 ppm | <10 ppm |