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CAS NO.113170-55-1
Cosmetic grade (1-5)Kilogram
ITEM | SPECIFICATION | TEST RESULT |
IDENTIFICATION | Positive | Corresponds |
DESCRIPTION | White or pale yellowish | Pale yellowish Powder |
Powder or granule | ||
PH | 70-8.5 | 7.8 |
STATE OF SOLUTION | Colourless to pale | Pale yellowish |
CLARITY | Clear | Clear |
COLOUR OF SOLUTION | ≤BY6 |
|
CHLORIDE | ≤0.035% | <0.035ppm |
HEAVY METALS | ≤0.002 | <0.002 |
ARSENIC | ≤0.0002 | <0.0002 |
FREE ASCORBIC ACID | ≤0.5% | <0.5% |
FREE PHOSPHORIC ACID | ≤1% | 0.80% |
DERIVATIVES OF ASCORBIC ACID | ≤3.5% | 0.50% |
KETOGULONIC ACID ANDIT′S DERIVATIVES | ≤2.5% | <2.0% |
WATER | ≤29.0% | 26% |
ASSAY (ANHYDROUS) | ≥95% | 97% |
SPECIFIC ROTATION | <21.5~24.5 | 22.9 |
Conclusion | Conform to standard |
ITEM | SPECIFICATION | TEST RESULT |
IDENTIFICATION | Positive | Corresponds |
DESCRIPTION | White or pale yellowish | Pale yellowish Powder |
Powder or granule | ||
PH | 70-8.5 | 7.8 |
STATE OF SOLUTION | Colourless to pale | Pale yellowish |
CLARITY | Clear | Clear |
COLOUR OF SOLUTION | ≤BY6 | <BY6 |
CHLORIDE | ≤0.035% | <0.035ppm |
HEAVY METALS | ≤0.002 | <0.002 |
ARSENIC | ≤0.0002 | <0.0002 |
FREE ASCORBIC ACID | ≤0.5% | <0.5% |
FREE PHOSPHORIC ACID | ≤1% | 0.80% |
DERIVATIVES OF ASCORBIC ACID | ≤3.5% | 0.50% |
KETOGULONIC ACID ANDIT′S DERIVATIVES | ≤2.5% | <2.0% |
WATER | ≤29.0% | 26% |
ASSAY (ANHYDROUS) | ≥95% | 97% |
SPECIFIC ROTATION | <21.5~24.5 | 22.9 |
Conclusion | Conform to standard |