碳酸钙,Calcium carbonate;precipitated for analysis EMSURE® Reag. Ph Eur, 98.5-100.5% dry basis (complexometric)
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委陵菜酸,Tormentic Acid
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青霉素V钾盐,Penicillin V potassium salt;Pharmaceutical Secondary Standard; Certified Reference Material
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四丁基碘化铵,Tetrabutylammonium iodide [TBAI];reagent grade, 98%
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氧化铁铜,Copper iron oxide;nanopowder, <100 nm particle size (BET), 98.5% trace metals basis
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硫氰酸铵,Ammonium thiocyanate;for analysis EMSURE® ACS,ISO,Reag. Ph Eur, ≥99.0% (silver nitrate titration)
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盐酸西替利嗪,Cetirizin dihydrochloride [CTZ];≥98.0% (HPLC)