sigma試劑 Cholera Toxin from Vibrio cholerae ,C8052 - ~95% (SDS-PAGE), lyophilized powder, 1 × 105-1 × 106 units/mg protein
查看詳細介紹sigma試劑 α-Chlordane solution,α-氯丹 溶液,48192- analytical standard, 100 μg/mL in hexane, pkg of 1 mL
查看詳細介紹sigma試劑 γ-Chlordane solution,γ-氯丹 溶液,48193 - analytical standard, 100 μg/mL in hexane, ampule of 1 mL
查看詳細介紹sigma試劑Pesticide Surrogate Spike Mix,農藥替代加標混標,48460 - analytical standard, 200 μg/mL each component in acetone, ampule of 1 mL
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