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Norgalanthamine hydrobromide 标准品
Acetochlor
(2RS)-2-(4-Ethylphenyl)propanoic acid
4‘-羟基-2,2‘,4,5‘-四溴联苯醚 标准品
Dicloran Solution 1000ug/ml in Toluene
2',3,4,5,5'-Pentachlorobiphenyl (无证书)
12种固体废物中有机磷农药混标
甲醇中二甲戊灵
First Standard® 甲醇/水中13种β-受体激素混标溶液,100μg/mL(农业部1063号公告-6-2008)
硫丹溶液,100ppm