大黄酚,Chrysophanol;98%
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半胱胺盐酸盐,Cysteamine hydrochloride;BioXtra, 98.0-101.0%
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高岭石,Kaolinite;natural
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氧化镝(III),Dysprosium(III) oxide;≥99.99% trace metals basis
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青霉素G钾盐,Penicillin G potassium salt;Pharmaceutical Secondary Standard; Certified Reference Material
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尿素,Urea;BioUltra, for molecular biology, ≥99% (T)
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苏丹黑B,Sudan Black B;certified by the Biological Stain Commission