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异辛烷中有机氯农药混合溶液标准物质 中国计量院
苯醚甲环唑, 恶醚唑 标准品
Aromatic Volatile Organics Mix 标准品
狗脊农残空白质控样 BQC4124031308B
2,3-DICHLORONITROBENZENE PESTANAL, 250 M 标准品
苯硫磷溶液,100ppm
CNET n-butylaldehyde solution, 10μg/ml (as n-butylaldehyde) in acetonitorile
Procymidone Solution in Toluene
2-6-Di-tert-butyl-4-hydroxymethylphenol (无证书)
Pirimicarb Solution 100ug/ml in Toluene