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水中硫酸根成分分析标准物质,500μg/ml ±1% (20℃)
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铌标准溶液,7440-03-1,1000μg/ml,in 1.0 mol/L hydrofluoric acid and trace HNO₃
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钴粉,7440-48-4,SP
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正十一烷标准溶液,1120-21-4,analytical standard ,1000ug/ml in methanol
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ICP-MS 校准
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钴粉,7440-48-4,99.5% metals basis
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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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镉标准溶液,7440-43-9,100ug/ml in 1%HNO3
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硫酸根离子(SO₄2-)标准溶液,500μg/ml in Water (20℃)
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硫酸根离子(SO₄2-)标准溶液,5000μg/ml in Water (20℃)
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