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First Standard® 甲醇中氟苯虫酰胺溶液,100μg/mL
2,6-二异丙基萘
Extraction Fluid No. 1, pH 4.93 +/- 0.05 (1000ml)(有证书)
Dithianon 标准品
o-Toluic acid (无证书)
4'-Fluoro-2,3',4,6-tetrabromodiphenyl ether
N-Acetyl-D-penicillamine
First Standard® 甲醇中特丁硫磷砜溶液,100μg/mL
苯硫磷溶液,100ppm
Acetylcorynoline 标准品