马来酸 [顺丁烯二酸],Maleic acid [Maleinic acid];≥99.5% (HPLC), <=0.5% water
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马来酸二乙酯,Diethyl maleate;≥96%, FG
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甘氨酸,Glycine;BioUltra, for molecular biology, ≥99.0% (NT)
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乙二胺四乙酸铁(III)钠盐,Ethylenediaminetetraacetic acid iron(III) sodium salt;Pharmaceutical Secondary Standard; Certified Reference Material
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碳酸铵,Ammonium carbonate;for analysis EMSURE® ACS,Reag. Ph Eur
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苯甲酸,Benzoic acid;meets analytical specification of Ph. Eur., BP, USP, FCC, E210, 99.5-100.5% (alkalimetric)
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高碘酸,Periodic acid;ReagentPlus®, ≥99.0%