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总氮标准溶液,analytical standard,1000μg/ml in water
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总硬度标准溶液,1000μg/ml,总硬度
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NCS148320 标准物质/Zn锌标准溶液/介质:5%硝酸
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氯离子(Cl-)标准溶液,500μg/ml in Water (20℃)
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氯离子(Cl-)标准溶液,1000μg/ml in Water (20℃)
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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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石油类标准溶液(红外法),30.5μg/ml in Carbon tetrachloride
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乙基汞标准溶液,analytical standard,10ug/ml in Toluene
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砷标准溶液,7440-38-2,analytical standard, 100mg/L in H2SO4
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SRM-A11V1AAS 碘酸钾标准溶液
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