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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聚乙烯醇 [PVA],Poly(vinyl alcohol);average Mw 13,000-23,000, 98% hydrolyzed -
葡萄糖酸钾,Potassium gluconate;Pharmaceutical Secondary Standard; Certified Reference Material -
凝血酶来源于人类血浆,Thrombin from human plasma [Factor IIa];lyophilized powder, 1500-3500 NIH units/mg protein (E1%/280, 18.3), suitable for cell culture
