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分析检测用标样、标准品
N-Nitroso methylethylamine Solution 100ug/ml in Methanol
1,2,4,5,6,9,10-七氯癸烷
Fenthion-ethyl Solution 100ug/ml in Acetonitrile
Fluazifop-butyl Solution 100ug/ml in Toluene
Methyl acrylamido glycolate methyl ether
50种农药混标
嘧螨醚 BePure-25363
2,2',5-Trichlorobiphenyl 99% (BZ#18) 标准品
硝酸甘油
对乙酰氨基酚 标准品