Item
Standard
Appearance
White crystals or crystalline powder
Specific rotation[α]20/D(C=4,H2O)
+25.8 to 27.0°
State of solution
(Transmittance)
Clear and colorless
Chloride (Cl)
Not more than 0.020%
Ammonium (NH4)
Not more than 0.02%
Sulfate (SO4)
Iron (Fe)
Not more than 10ppm
Heavy metal(Pb)
Arsenic(As2O3)
Not more than 1ppm
Loss on drying
Not more than 0.20%
Residue on ignition(sulfated)
Not more than 0.10%
Assay
98.5 to101.0%
pH
2.6 to 3.6
Ninhydrin positive substance
negative
本网站所有产品仅用于工业应用或者科学研究等非医疗目的,不可用于人类或动物的临床诊断或治疗,非药用,非食用。
Copyright © 2012-2024 成都麦卡希化工有限公司 www.micxy.com 麦卡希试剂网版权所有 电话:028-85632863 18048500443 18180777571 传真:028-85632863 地址:四川省成都市双流区珠江路600号
蜀ICP备12005092号-1 川公网安备 51012202000114号 营业执照