硫酸铵,Ammonium sulfate;ACS reagent, ≥99.0%
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氯化铅(II),Lead(II) chloride;powder, 98%
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乙二胺四乙酸四钠盐二水合物 [EDTA四钠盐],Ethylenediaminetetraacetic acid tetrasodium salt dihydrate;99.0-102.0% (titration)
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圣草酚,Eriodictyol;≥99.0%
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偏磷酸,meta-Phosphoric acid;ACS reagent, chips, 33.5-36.5%
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苯甲酸苄酯,Benzyl benzoate;tested according to Ph. Eur.
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乙酸异丁酯,Isobutyl acetate [IBA];pharmaceutical secondary standard, certified reference material