巴比妥酸,Barbituric acid;for spectrophotometric det. of cyanide, ≥99.5%
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α-糜蛋白酶来源于牛胰腺,α-Chymotrypsin from bovine pancreas [BPC];suitable for protein sequencing, salt-free, lyophilized powder
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混合床树脂,Mixed Bed Resin;for molecular biology, BioReagent
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马来酸酐 [顺丁烯二酸酐],Maleic anhydride;puriss., ≥99.0% (NT)
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铅粉,Lead;powder, −100 mesh, 99.95% trace metals basis
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甲酸钾,Potassium formate;purum p.a., ≥99.0% (NT)
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D-(-)-奎宁酸,D-(−)-Quinic acid;Pharmaceutical Secondary Standard; Certified Reference Material