次氮基三乙酸,Nitrilotriacetic acid [NTA];Pharmaceutical Secondary Standard; Certified Reference Material
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2-甲基丁烷 [异戊烷],2-Methylbutane;Pharmaceutical Secondary Standard; Certified Reference Material -
碳酸钴水合物,Cobalt(II) carbonate hydrate;Co 43-47 % -
碘化铅(II),Lead(II) iodide;AnhydroBeads™, −10 mesh, 99.999% trace metals basis -
硫酸链霉素,Streptomycin sulfate salt;powder, BioXtra, suitable for mouse embryo cell culture, ≥720 I.U. per mg
