邻联茴香胺 [3,3'-二甲氧基联苯胺],o-Dianisidine;for spectrophotometric det. of Au, NO2-, Ce(IV), for the detection of Au, Co, Cu, SCN-, V, ≥97.0%
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N-亚硝基-2-甲基噻唑烷4-羧酸,N-Nitroso-2-methylthiazolidine 4-Carboxylic Acid [NCTA] -
硫代硫酸钠五水合物,Sodium thiosulfate pentahydrate;for analysis EMSURE® ACS,ISO,Reag. Ph Eur, 99.5-101.0% (iodometric) -
甲基乙烯基二甲氧基硅烷,Dimethoxymethylvinylsilane;97% -
胆碱氧化酶来源于产碱杆菌属,Choline Oxidase from Alcaligenes sp.;lyophilized powder, ≥10 units/mg solid -
色胺,Tryptamine;analytical standard, ≥97.5% (GC), 97.5-102.5% (NT)
