sigma試劑 酸水解酪蛋白(不含維生素) ,Casein acid hydrolysate vitamin free ,C7970 - for microbiology
查看詳細(xì)介紹sigma試劑 山梨酸鉀 ,Potassium sorbate ,85520 - purum p.a., ≥99.0% (NT)
查看詳細(xì)介紹泛酸鈣 ,Calcium pantothenate C8731 - meets USP testing specifications, monograph mol wt. 476.53 (C18H32CaN2O10)
查看詳細(xì)介紹sigma試劑 磷酸酶(酸性)來(lái)源于馬鈴薯 ,Phosphatase, Acid from potato P1146 - lyophilized powder, 3.0-10.0 units/mg solid
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