L-半胱氨酸盐酸盐一水物(L-Cysteine hcl mono)

JIZHOU CITY HUAYANG CHEMICAL CO., LTD. Add:NO.645 FuYang East Road, Jizhou City, Hebeiprovince, China Phone: +86-318-8638826Fax:+86-318-8638826 CERTIFICATE OF ANALYSIS [table][tr][td] Product Name: L-Cysteine HCl Monohydrate [/td][td] Quantity: 1000kgs[/td][td] Batch No:1040710705[/td][/tr][tr][td] Producing date: 2010.07.30[/td][td] Sampling date: 2010.07.30[/td][td] Shelf life: two years[/td][/tr][tr][td] Reference standard: USP26[/td][/tr][tr][td] Item[/td][td] Specifications[/td][td] Test Results[/td][/tr][tr][td] Assay,%[/td][td] 98.5-101.5[/td][td] 99.6[/td][/tr][tr][td] Identification[/td][td] Pass test[/td][td] Pass test[/td][/tr][tr][td] Specific rotation [/td][td] +5.7°-+6.8°[/td][td] +6.3°[/td][/tr][tr][td] Loss on drying,% [/td][td] 8.0-12.0[/td][td] 8.5[/td][/tr][tr][td] Residue on ignition, %[/td][td] ≤0.4[/td][td] ＜0.4[/td][/tr][tr][td] Sulfate,%[/td][td] ≤0.03[/td][td] ＜0.03[/td][/tr][tr][td] Iron（as Fe），% [/td][td] ≤0.003[/td][td] ＜0.003[/td][/tr][tr][td] Heavy metals（asPb）, % [/td][td] ≤0.0015[/td][td] ＜0.0015[/td][/tr][tr][td] Organic volatile impurities [/td][td] [/td][/tr][/table]Meets the requirements[td] Meets the requirements[/td][tr][td] Conclusion: This product conforms to USP26 standard.[/td][/tr] Operator: Jia Jingtan Checker: Liu Qingshuang