|
检验项目/ Item |
产品标准/ Limit |
检验结果/Result |
|
性状/Description |
White to off-white crystalline powder |
White crystalline powder |
|
鉴别/ Identification |
Retention time correspond to WRS under assay item |
Conforms |
|
含量/ Assay |
≥99.0% |
99.8% |
|
干燥失重/ Loss on drying |
≤0.50% |
0.05% |
|
灼烧残渣/ Residue on ignition |
≤0.50% |
0.08% |
|
重金属/ Heavy metals(Pb) |
≤10 ppm |
<10 ppm |
|
相关杂质/ Related impurities |
Any other impurity ≤0.5% |
<0.5% |
|
Total impurities ≤1.0% |
<1.0% |
|
|
铅(Pb)/Lead(Pb) |
≤ 0.5ppm |
<0.5ppm |
|
汞(Hg)/(Mercury)(Hg) |
≤ 0. 1ppm |
<0. 1ppm |
|
镉(Cd)/(Cadmium)(Cd) |
≤1ppm |
<1ppm |
|
砷(As)/Arsenic(As) |
≤1ppm |
<1ppm |
|
菌落总板数/ Total plate count |
≤ 1000cfu/g |
Conforms |
|
酵母菌和霉菌/Yeast&Mould |
≤ 100cfu/g |
Conforms |
|
大肠菌群/Coliforms |
In 25 g n.d. |
Conforms |
|
沙门氏菌/Salmonella |
In 25 g n.d. |
Conforms |
|
金 黄 色 葡 萄 球 菌 /Stapylococcus aureus |
In 25 g n.d. |
Conforms |
|
大肠杆菌/Escherichia coli |
Negative |
Conforms |