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铁标准溶液,7439-89-6,analytical standard ,1000ug/ml in 1.0mol/L HNO3
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铈标准溶液,7440-45-1,1000ug/ml in 1.0mol/L HNO3
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1,2,3,4-四氯苯标准溶液,634-66-2,analytical standard,1000ug/ml in methanol
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硅酸根标准溶液,1000ug/ml in 0.05mol/L NaOH
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亚硝酸盐标准溶液,100mg/L in water
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联苯胺,92-87-5,分析标准品,用于环境分析
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(Ce,Co,Li,Ti,Y)多元素混合标准溶液(混标)
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(La,Ce,Pr,Nd,Sm,Y)多元素混合标准溶液(混标)
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亚硝酸盐标准溶液(以氮计),100mg/L in water
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联苯胺标准溶液,92-87-5,1000μg/ml,溶剂:甲醇
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