Web欧美日韩化妆品法规标准.pdf,欧美日韩化妆品法规标准 以下法规标准仅供参考,请注意查询使用最新规定。 1、美国联邦法典化妆品规定 法规/标准编 中文名称 英文名称 号 21CFR1总则 General Regulations 21CFR70着色剂总则 Colors General 70.3 定义 Definitions. 70.5 着色剂使用的一般限定 标准化食品和新药中的 70.1 ... WebOther compounds used in medicine include bismuth ammonium citrate (Bi(NH4)3(C6H507)2), bismuth citrate (BiC6H507)2), bismuth subgallate …
Ammonium bismuth citrate microbiology 31886-41-6
WebAmmonium bismuth citrate is used in microbiological culture media as a selective agent as it inhibits certain gram-negative and gram-positive bacteria. The bismuth ions are … WebJan 1, 2003 · Bismuth sulfite agar is a modification of the original Wilson and Blair selective diagnostic medium used for the isolation of Salmonella typhi ... di-sodium hydrogen orthophosphate, iron (II) sulfate, bismuth ammonium citrate, sodium sulfite, brilliant green, agar, and distilled or deionized water. This chapter describes the preparation of ... flo newport
TESTEUR DE NIRATE CHECKER HR EAU DE MER GAMME LARGE …
WebAmmonium Bismuth Citrate; Citric acid ammonium bismuth salt. Article No. 02110. Grade. Extra Pure. Purity. CAS No. 31886-41-6. Molecular Formula. WebJan 1, 1995 · Bismuth sulfite agar is composed of beef extract, peptone, glucose, di-sodium hydrogen orthophosphate, iron (II) sulfate, bismuth ammonium citrate, sodium sulfite, brilliant green, agar, and distilled or de-ionized water. It is prepared by suspending the ingredients in the water. WebDec 25, 2024 · Bismuth citrate of the composition BiC 6 H 5 O 7 can be obtained by adding a solution of bismuth nitrate to a solution of ammonium citrate followed by heating the mixture in a water bath [ 6, 7] and by adding to the bismuth nitrate solution an aqueous citric acid solution with pH range of 0.1–0.7 at a process temperature of (60 ± 5)°C [ 8 ]. flo newman realtor