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镉标准溶液,7440-43-9,100ug/ml in 1%HNO3
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p, p’-DDE标准溶液,72-55-9,analytical standard,100ug/ml in methanol
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多效唑标准溶液,76738-62-0,analytical standard,100ug/ml in methanol
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钙标准溶液,7440-70-2,analytical standard, 100ug/ml in 5%HCl
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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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灭幼脲标准溶液,57160-47-1,analytical standard,100ug/ml in actone
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alpha-六六六标准溶液,319-84-6,analytical standard,100ug/ml in petroleum ether
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残杀威标准溶液,114-26-1,analytical standard,100ug/ml in acetone
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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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阿特拉津标准溶液,1912-24-9,100ug/ml in acetone,u=4%
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