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氨氮标准溶液,1000μg/ml in Water (20℃)
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硝酸铈铵,16774-21-3,≥99.99% metals basis
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总氮标准溶液,analytical standard,1000μg/ml in water
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钒标准溶液,7440-62-2,500mg/L,in 1%HNO3
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镨标准溶液,7440-10-0,1000ug/ml in 10%HCl
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碲标准溶液,13494-80-9,1000ug/ml in 2.0 mol/L HNO3
-
碘分析滴定液,7553-56-2,Analytical Volumetric Solution,0.0250M
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硝酸铈(III) 六水合物,10294-41-4,99% trace metals basis
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硝酸铈 六水合物,10294-41-4,99.95% metals basis
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氯离子(Cl-)标准溶液,500μg/ml in Water (20℃)
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