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铍标准溶液,7440-41-7,analytical standard,10ug/ml in 2% HCl
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石油类标准溶液(红外法),30.5μg/ml in Carbon tetrachloride
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总硬度标准溶液,1000μg/ml,总硬度
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安捷伦Agilent ICP-MS标样100mL/瓶5188-6525
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钒标准溶液,7440-62-2,500mg/L,in 1%HNO3
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碘分析滴定液,7553-56-2,Analytical Volumetric Solution,0.0250M
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三唑酮标准溶液,43121-43-3,analytical standard,10ug/ml in petroleum ether
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水中铵离子成分分析标准物质,1000μg/ml ±1% (20℃)
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10ug/ml 标准品
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咪鲜胺标准溶液,67747-09-5,analytical standard,10ug/ml in toluene
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