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十氟三苯基磷
Respirable Alpha Quartz on Filter Media, 1000 μg
吡虫啉溶液,1000ppm
Linuron 标准品
Sodium carboxymethyl cellulose (无证书)
4-(4-Acetyl-2-methoxyphenoxy)-butanoic Acid Ethyl Ester
First Standard® 甲醇中芬苯达唑砜溶液,100μg/mL
5-氯-2-氰基-4-(4-甲基苯基)咪 BePure-21504
S-Propyl butylethylthiocarbamate
毒莠定农药纯度标准物质