司班20,Span® 20
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乙酸钙水合物,Calcium acetate hydrate;[about 94% Ca(CH₃COO)₂] for soil testing
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茜素,Alizarin;Dye content 97%
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细胞色素C来源于酿酒酵母,Cytochrome c from Saccharomyces cerevisiae;≥85% based on Mol. Wt. 12,588 basis
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甘精肽 [双甘氨肽, 甘氨酸二肽],Gly-Gly [GlycylGlycine];BioXtra, ≥99.0% (NT)
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三氧化二锑,Antimony(III) oxide;99.999% trace metals basis
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L-精氨酸盐酸盐,L-Arginine monohydrochloride;reagent grade, ≥98% (HPLC), powder