氯化钡二水合物,Barium chloride dihydrate;for analysis EMSURE® ACS,ISO,Reag. Ph Eur, ≥99.0% (complexometric)
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乙酸镁四水合物 [醋酸镁],Magnesium acetate tetrahydrate;ACS reagent, ≥98%
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苝,Perylene;analytical standard, ≥98.0%
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硫酸钴(II)铵六水合物,Ammonium cobalt(II) sulfate hexahydrate;99%
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三乙醇胺,Triethanolamine [TEA];Pharmaceutical Secondary Standard; Certified Reference Material
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氯化亚铁四水合物,Iron(II) chloride tetrahydrate;ReagentPlus®, 98%
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青霉素G钾盐,Penicillin G potassium salt;95.0-102.0%, ~1600 Units/mg