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Working Level Aroclors 1016/1260 with Surrogates 标准品
First Standard® 丁硫克百威
3.5-Dichlorobiphenyl Solution 100ug/ml in Hexane (无证书)
Mecoprop-P
1-Nitronaphthalene-d7
(办证)西玛津D5
(办证) 甲基毒死蜱-D6 标准品
Sulfonated marine oil
Itaconic anhydride (无证书)
Nadic methyl anhydride (无证书)