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9种有机磷农药混标 标准品
8-羟基喹啉溶液,100ppm
Diisooctyl isodecyl trimellitate
二甲硅油 750
5-Amino-3(2H)-pyridazinone
苯乙酸乙酯
软骨藻酸溶液, 100ppm
2-Methyl-2-propanethiol
Perfluoro-4-ethyl环己烷 sulfonic acid, potassium salt
5-Dimethylamino-1-naphthalenesulfonic acid, 1-hydrate (无证书)