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铥标准溶液,7440-30-4,1000ug/ml Tm in 10%HCl
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镉标准溶液,7440-43-9,1000ug/ml in 1.0mol/L HNO3
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硝酸根离子(NO₃-)标准溶液,500ug/ml in Water (20℃)
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硝酸根离子(NO₃-)标准溶液,100ug/ml in Water (20℃)
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硝酸盐氮标准溶液,100μg/ml in Water (20℃)
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(La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Y, Sc) 多元素混合标准溶液(混标),100μg/ml in 5% HNO3
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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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p,p’-DDT标准溶液,50-29-3,1000ug/ml in Purge and Trap Methanol
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苯胺标准溶液,62-53-3,analytical standard,1000ug/ml in methanol
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亚硝酸盐标准溶液(以氮计),100mg/L in water
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