Ceramide NP 100403-19-8 Ceramide
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Items | Specifications | Results | |
Appearance | White to off-white powder | Off-white powder | |
Melting point | 98-108 ℃ | 103.1-104.1 ℃ | |
Identification | HPLC Confroms | Conforms | |
Loss of drying | NMT 2.0% | 0.7% | |
Residue on ignition | NMT 0.5% | 0.03% | |
Heavy metals | NMT 20ppm | Conforms | |
Residual Solvents | Menthol | NMT3000ppm | ND |
Ethyl oleate | NMT2000ppm | ND | |
Total aerobic bacteria | NMT 1000CFU/g | <=10CFU/g | |
Yeast and Mold | NMT 100CFU/g | <=10CFU/g | |
Purity(Are) | A: NLT 85.0% | 89.6% | |
A+B+C+D: NLT95.0% | 96.4% | ||
Assay(External standard) | A: NLT 85.0% | 89.3% | |
A+B+C+D: NLT95.0% | 96.2% | ||
Conclusion | Qualified |
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