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农药混标-18
Decyl-d21-trimethylammonium Bromide 标准品
2-Methylanthracene
黄曲霉素G1 标准品(有纯度,无证书)
4,4'-Thiodianiline
2-Nitrodiphenylamine
FTRPH Combined Surrogate Standard - Revised 标准品
山药甲胺磷质控样 BQC1355223959
4-Bromothiophenol (无证书)
5种混标(药典溶剂残留第一类) BePure-31202CK-A