铬变酸二钠盐二水合物 [变色酸钠],Chromotropic acid disodium salt dihydrate;for analysis ACS,Reag. Ph Eur, ≥98.5% (acidimetric)
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酒石酸钾钠四水合物 [罗谢尔盐四水合物],Potassium sodium tartrate tetrahydrate;ACS reagent, 99% -
β-半乳糖苷酶来源于大肠杆菌,β-Galactosidase from Escherichia coli [Lactase];Grade VI, lyophilized powder, ≥250 units/mg protein -
N,N′-亚甲基双丙烯酰胺 [甲叉],N,N′-Methylenebisacrylamide [BIS];powder, for molecular biology, suitable for electrophoresis, ≥99.5% -
S-碘化丁酰硫代胆碱,S-Butyrylthiocholine iodide;puriss., ≥99.0% (AT)
