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p, p’-DDE标准溶液,72-55-9,analytical standard,100ug/ml in petroleum ether
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γ-六六六标准溶液,58-89-9,analytical standard,50ug/ml in methanol:toluene(4:1)
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β-硫丹标准溶液,33213-65-9,analytical standard,100ug/ml in hexane
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甲醇中叶菌唑溶液,125116-23-6,1000μg/mL in Methanol,不确定度2%
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甲醇中叶菌唑溶液,125116-23-6,100μg/mL in Methanol,不确定度3%
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First Standard® 甲苯中联苯肼酯溶液,100ug/ml
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p, p’-DDE标准溶液,72-55-9,50.0ug/mL in Toluene:Methanol(volume ratio 1:4)
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锌标准溶液,7440-66-6,100ug/ml Zn in 1%HNO3
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δ-六六六标准溶液,319-86-8,analytical standard,100ug/ml in petroleum ether
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甲醇中禾草敌溶液,2212-67-1,100μg/mL in Methanol,不确定度3%
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