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p, p’-DDE标准溶液,72-55-9,analytical standard,100ug/ml in methanol
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四螨嗪标准溶液,74115-24-5,analytical standard,100ug/ml in actone
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多效唑标准溶液,76738-62-0,analytical standard,100ug/ml in methanol
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速灭威标准溶液,1129-41-5,analytical standard,100ug/ml in acetone
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灭菌丹标准溶液,133-07-3,analytical standard,100ug/ml in Acetone
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钙标准溶液,7440-70-2,analytical standard, 100ug/ml in 5%HCl
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辛硫磷标准溶液,14816-18-3,analytical standard,100ug/ml in petroleum ether
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二甲戊乐灵标准溶液,40487-42-1,analytical standard,100ug/ml in acetone
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铬标准溶液,7440-47-3,analytical standard,100ug/ml in water
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First Standard® 甲醇中4-氯苯氧乙酸钠溶液,100ug/ml
Sodium 4-chlorophenoxyacetate solution in Methanol, 100ug/mlFirst Standard®天津
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