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11种卤代烃混标(GB 24409,GB 18581-2020)
钠,溶于5%硝酸,用于AA和ICP
2-Chloropropane-1,1,1-d3 标准品
甲基盐霉素溶液, 100ppm
Thio环己烷
First Standard® 唑螨酯
Sodium petroleum sulfonate - (MW 440-450)
Docusate Sodium Related Compound B
Fosinopril,certified 标准品
(Acetylcyclopentadienyl)cyclopentadienyl iron (无证