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(La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Y) 多元素混合标准溶液(混标),analytical standard,1000ug/ml in 5%HNO3
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亚硝酸盐标准溶液,1000ug/ml in water
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硝酸盐氮标准溶液,1000ug/ml in Water (20℃)
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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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(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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铕标准溶液,7440-53-1,1000μg/mL in 10%HCL
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邻苯二酚标准溶液,120-80-9,analytical standard,1000ug/ml in methanol
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铕标准溶液,7440-53-1,1000ug/ml in 1.0mol/L HNO3
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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)
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(La,Ce,Pr,Nd,Sm,Eu,Gd,Tb,Dy,Ho,Er,Tm,Yb,Lu,Y)多元素混合标准溶液(混标)
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