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C804657-25g 3-(环己胺)-1-丙磺酸,超纯级
H811252-500g 4-(2-羟乙基)哌嗪-1-2-羟基丙磺酸,超纯级
S817785-10g 无水磷酸二氢钠,for HPLC,≥99.0%(T)
E808966-500g 乙二胺四乙酸四钠盐,二水合物,AR,99.0-102.0% (T)
T819343-100g N-三(羟甲基)甲基-3-氨基丙磺酸,≥99.5%(T)
S818079-2.5kg 碳酸氢钠,≥99.5%
A800860-10kg 碳酸氢铵,99.995% metals basis
H811252-100g 4-(2-羟乙基)哌嗪-1-2-羟基丙磺酸,超纯级
S818278-25g 乙酸钠,无水,99.99% metals basis
缓冲液 (di-Sodium hydrogen phosphate/Potassium dihydrogen phosphate), colour: green, traceable to SRM from NIST and PTB pH 7.00 (20°C) CertiPUR®