L-Cysteine S-Sulfate Na cell culture cysteine
检验项目 Test Item |
标准规定 Specification |
外观 Appearance |
White to yellow powder or crystals with or without lumps |
红外光谱 IR Spectrum |
Acceptable |
水分 Moisture (Karl Fischer) |
9.3% ~12.3% |
含量Assay(QNMR) |
96.0%~104.0% |
溶解度Solubility |
10g/L in water is colorless to light yellow, clear to very slightly hazy solution |
PH(10g/L) |
5.0~8.0 |
内毒素Endotoxin |
≤ 10EU/g |
菌落总数Bioburden |
≤100CFU/g |
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