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First Standard® 甲苯中联苯肼酯溶液,100ug/ml
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(±)12,13-DiHOME,263399-35-5,≥98%,~100ug/ml in methyl acetate
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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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β-六六六标准溶液,319-85-7,analytical standard,100ug/ml in methanol
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汞标准溶液,7439-97-6,100ug/ml in 5% HNO3
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四螨嗪标准溶液,74115-24-5,analytical standard,100ug/ml in actone
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倍硫磷标准溶液,55-38-9,analytical standard,100ug/ml in acetone,u=4%,
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三唑酮标准溶液,43121-43-3,100ug/ml in Petroleum ether
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多氯联苯 (Aroclor 1254)标样,11097-69-1,analytical standard,100ug/mL in methanol
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三环唑标准溶液,41814-78-2,analytical standard,100ug/ml in methanol
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