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除草醚标准溶液,1836-75-5,analytical standard,10ug/ml in petroleum ether
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汞标准溶液,7439-97-6,analytical standard, 1000ug/ml in 1.0mol/L HNO3
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敌稗标准溶液,709-98-8,analytical standard,10μg/ml in ethanol
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氯离子标准溶液,100μg/ml in Water (20℃)
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二氯乙酸标准溶液,79-43-6,1000μg/ml,基体:甲叔丁醚
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氨氮标准溶液,1000μg/ml in Water (20℃)
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2,4-二硝基甲苯标准溶液,121-14-2,analytical standard,1.00mg/ml in methanol
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2,4-二硝基甲苯标准溶液,121-14-2,analytical standard,1000ug/ml in methanol
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甲基汞+乙基汞混标标准品 BePure-31033YM
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扑草净标准溶液,7287-19-6,analytical standard,10μg/ml in acetone
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