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CHLOROPHENOXY HERBICIDES MIX 5UG/ML EACH COMPONENT IN METHANO 标准品
10种拟除虫菊酯类混标(GB/T 5009.162-2008)
专利蓝V钙盐
ICP Starter Kit B(有证书)
苯胺-d5
Ethirimol 标准品
乐果溶液, 1000ppm
Perinaphthenone
氯磺隆
2,6,8-Trimethyl-4-nonyloxy polyethyleneoxyethanol