马来酸 [顺丁烯二酸],Maleic acid [Maleinic acid];≥99.5% (HPLC), <=0.5% water
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碳酸锂,Lithium carbonate;for analysis EMSURE® ACS,Reag. Ph Eur, ≥99.0% (acidimetric)
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1,4-丁二胺双盐酸盐 [腐胺二盐酸盐],Putrescine dihydrochloride;≥98% (TLC)
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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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硼酸,Boric acid;puriss., meets analytical specification of Ph. Eur., BP, NF, 99.5-100.5%, powder