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硫化物标准溶液,analytical standard,60ug/ml-150ug/ml in zinc acetate solution
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银标准溶液,100ug/ml in 1%HNO3
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铯标准溶液,7440-46-2,100μg/ml,in 1% HCl
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邻苯二甲酸二丁酯标准溶液,84-74-2,analytical standard,68.8μg/mL in methanol
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镱标准溶液,7440-64-4,1000ug/ml in 1.0 mol/L HNO3
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水中氨氮成分分析标准物质,100μg/ml ±2% (20℃)
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水中氨氮成分分析标准物质,500μg/ml ±1% (20℃)
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砷标准溶液,7440-38-2,analytical standard, 100mg/L in H2SO4
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镝标准溶液,7429-91-6,1000ug/ml in 1.0mol/L nitric acid
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水质锑标样,7440-36-0,29.8μg/L
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