环丙沙星,Ciprofloxacin;Pharmaceutical Secondary Standard; Certified Reference Material
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乙酸钐(III)水合物,Samarium(III) acetate hydrate;99.9% trace metals basis
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溴化镍,Nickel(II) bromide;anhydrous, powder, ≥99.99% trace metals basis
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羊抗牛IgG [纯化抗体],Anti-Bovine IgG,Purified antibody produced in goat
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羧基-PEG12-(Fmoc-胺),Fmocnh-peg12-ch2ch2cooh;99%
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四氧化三铁 [氧化铁(II,III)],Iron(II,III) oxide;powder, <5 μm, 95%
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核糖核酸酶A来源于牛胰腺 [RNA酶A],Ribonuclease A from bovine pancreas [RNase A];Type II-A, ≥60% (SDS-PAGE), >= 60 Kunitz units/mg protein