氨基丁三醇 [三羟甲基氨基甲烷],Tris Base, ULTROL® Grade [THAM];≥99% dry basis (titration), Useful in the pH range of 7.0-9.0. Has a pKa of 8.1 at 25°C. Absorbance (1.0 M, H2O, 260 nm):0.05.
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5,10,15,20-四(4-磺酰苯基)-21H,23H-卟吩氯化锰(III),5,10,15,20-Tetrakis(4-sulfonatophenyl)-21H,23H-porphine manganese(III) chloride;Dye content 70 % -
皂素,Saponin;for molecular biology, used as non-ionic surfactant -
铁氰化钾(II)三水合物,Potassium hexacyanoferrate(II) trihydrate;puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., ≥99%
