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项目 Items |
标准规定 Limits |
检验结果 Test results |
Appearance 感 观 |
White crystals or crystalline powder白色结晶或白色粉末结晶 |
APPROVED |
Identification(IR) 鉴别(红外) |
Conordant with the referennce spectrum |
Conforms |
Assay 含 量(以干基计),% |
98.5~101.5 |
99.2 |
Specific rotation 比旋光度[a]D20 |
-33.2°~-35.2° |
-33.5° |
Transmittance透光率,% |
≥95 |
97 |
Loss on drying 干燥失重,% |
≤0.30 |
0.19 |
pH 酸度 |
5.4~6.0 |
5.77 |
Residue on ignition 灼烧残渣,% |
≤0.1 |
<0.06 |
Chloride (Cl) 氯化物,% |
≤0.03 |
<0.03 |
Sulfate (SO4) 硫酸盐,% |
≤0.03 |
<0.03 |
Iron (Fe) 铁,mg/kg |
≤30 |
<30 |
Other Amino acide杂 酸,% |
≤0.5 |
<0.5 |
Heavy metals 重金属(以Pb计),mg/kg |
≤15 |
/ |
Arsenic(As) 砷,mg/kg |
≤1.5 |
/ |
Total plate count(cfu/g)菌落总数 |
≤3000 |
/ |
coliform (cfu/g)大肠菌群 |
≤10 |
/ |
Pathogenic bacteria致病菌 |
Negative不得检出 |
/ |
Conclusion :Passed test according to the Standard of QB/T4264-2011 |