双硫腙 [铅试剂],Dithizone;ACS reagent, for spectrophotometric det. of Cd, Cu, Hg, Pb, Zn, ≥98.0% (TLC)
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酸洗玻璃珠,Glass beads, acid-washed;粒径:≤106 μm (−140 U.S. sieve) -
(-)-L-乳酸乙酯,(−)-Ethyl L-lactate;purum, ≥98.0% (sum of enantiomers, GC) -
十四烷基三甲基氯化铵,Trimethyl-tetradecylammonium chloride;Vetec™, reagent grade, 97% -
二硫化四异丙基秋兰姆,Tetraisopropylthiuram disulfide;98% -
N-羟基硫代琥珀酰亚胺钠盐,N-Hydroxysulfosuccinimide sodium [Sulfo-NHS];≥98% (HPLC) -
3-(3,5-二叔丁基-4-羟基苯基)丙酸甲酯,Methyl 3-(3,5-di-tert-butyl-4-hydroxyphenyl)propanoate;99%(GC)
