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First Standard® 甲醇中伊维菌素溶液,100μg/mL
9-Phenylanthracene602-55-1 标准品
Tantalum Standard Solution
钾标准溶液
3,3',4,5-Tetrachlorobiphenyl Solution 100ug/ml in Isooctane (无证书)
Haloxyfop
盐酸维拉帕米 标准品
Certified Waste Water - Demand Solution - TOC 1ug/ml(有证书)
妥布霉素
Dicyclohexyl-phthalate -D4, Oekanal 标准品