水飞蓟亭,Silychristin;phyproof® Reference Substance
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弹性蛋白酶来源于猪胰腺 [胰酞酶E],Elastase from porcine pancreas;Type III, lyophilized powder, Protein 55-85 %, ≥4.0 units/mg protein
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异硫氰酸胍,Guanidine thiocyanate;Powerful protein denaturant. Absorbance (1.7 M, H2O, 280 nm):0.30., ≥99% (titration)
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甲酸铵,Ammonium formate;reagent grade, 97%
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胰蛋白酶来源于猪胰腺 [胰酶],Trypsin from porcine pancreas;Type IX-S, lyophilized powder, 13,000-20,000 BAEE units/mg protein
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甜菜碱,Betaine;BioUltra, ≥99.0% (NT)
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碳酸氢钾,Potassium bicarbonate;puriss., meets analytical specification of Ph. Eur., BP, USP, E501, 99.5-101.0% (acidimetric)