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丙酮中甲基对硫磷
Phoxim Solution 100ug/ml in Acetonitrile
甲醇中溴螨酯-溴苯腈
10种农药混标(GB 23200.12-2016 LC组A)
Chlorophyll A
阴离子表面活性剂质控样
Endrin Aldehyde 99% 标准品
多环芳烃内标PAH-Mix33
Azoxystrobin
Sulfur Dioxide in Nitrogen (Nominal 2500 μmol/mol)