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铥标准溶液,7440-30-4,1000ug/ml Tm in 1.0 mol/L HNO3
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联胺标准溶液,302-01-2,analytical standard,1000μg/ml in 1.0mol/L HCl
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锗标准溶液,7440-56-4,1000μg/ml,溶剂:1.0 mol/L HNO3 and tr. HF
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连华科技 铁试剂 LH-FE-50
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连华科技 铁试剂LH-FE-100
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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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汞 AAS 标准液 1,000 mg/l traceable to SRM from NIST Hg(NO₃)₂ in HNO₃ 2 mol/l 1000 mg/l Hg CertiPUR®
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汞 AAS 标准液 1,000 mg/l traceable to SRM from NIST Hg(NO₃)₂ in HNO₃ 2 mol/l 1000 mg/l Hg CertiPUR®
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四氯乙烯中异辛烷标准溶液,540-84-1,质量浓度 1000mg/L,U=16 mg/L
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铽标准溶液,7440-27-9,1000ug/ml,,in 1.0 mol/L HNO3
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