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Chlorinated Herbicides - Control Sample Mixture - 8150B VARIED in Acetone
DL-Asparagine hydrate,certified 标准品
Methyl cis-7,10,13,16-Docosatetraenoate C22:4 标准品
Ethyl 5-nitro-2-furoate (无证书)
氯倍他索:用于峰鉴别试验
4-甲基戊酸 标准品
Bis(2-methoxyethyl)phthalate Solution 1000ug/ml in Hexane
款冬酮 对照品
Niobium - 4% HNO3 + 1% HF
Mono(4-hydroxybutyl) Terephthalate 标准品