sigma试剂 β-葡萄糖醛酸酶 来源于罗曼蜗牛,β-Glucuronidase from Helix pomatia G0876 - Type H-2, aqueous solution, ≥85,000 units/mL
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Sigma试剂G5131 Guanosine 5′-diphospho-D-mannose sodium salt from Saccharomyces cerevisiae Type I, ≥97% (HPLC) (Sigma)
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sigma试剂 EPA 610 多环芳烃混标 EPA 610 Polynuclear Aromatic Hydrocarbons Mixture analytical standard
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sigma试剂 双硫腙 ,Dithizone ,33154 -puriss. p.a., Reag. Ph. Eur., ≥98% (chelatometric), for metal titration
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