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甲霜灵标准溶液,57837-19-1,analytical standard,100ug/ml in petroleum ether
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毒死蜱标准溶液,2921-88-2,analytical standard,100ug/ml in acetone
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水中硝酸根成分分析标准物质,500μg/ml ±1% (20℃)
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甲基毒死蜱标准溶液,5598-13-0,100ug/ml in acetone,u=6~4%
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(Al、As、Ba、Be、Bi、Cd、Co、Cr、Cu、Fe、Mg、Mn、Ni、Sb、Sn、Ti、V、Zn、Zr)多元素混合标准溶液(混合标准),100μg/ml,in 2.5mol/L HCL
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亚硝酸钴钠
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除草醚标准溶液,1836-75-5,analytical standard,100ug/ml in petroleum ether
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水中硝酸根成分分析标准物质,1000ug/ml ±1% (20℃)
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2.4-D丁酯标准溶液,94-80-4,analytical standard,100ug/ml in hexane
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灭菌丹标准溶液,133-07-3,analytical standard,100ug/ml in Acetone
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