四氯化锡,Tin(IV) chloride;EMPLURA®, ≥99.0% (acidimetric)
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四乙基氯化铵,Tetraethylammonium chloride [TEAC];for electrochemical analysis, ≥99.0%
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诺氟沙星,Norfloxacin;Pharmaceutical Secondary Standard; Certified Reference Material
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山奈素,Kaempferide [KF];analytical standard, ≥99.0% (HPLC)
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碳酸甲乙酯,Ethyl methyl carbonate [EMC];99%
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乙二胺四乙酸四钠盐水合物,Ethylenediaminetetraacetic acid tetrasodium salt hydrate;purum, ≥80% C10H12N2Na4O8 basis