国家标准物质-标准物质实验室【北京华研】
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GBW(E)083512 二硫化碳中乙腈溶液标准物质二硫化碳中乙腈溶液标准物质 Standard material for acetonitrile solution in carbon disulfide 5mL
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GBW(E)083511 二硫化碳中乙腈溶液标准物质二硫化碳中乙腈溶液标准物质 Standard material for acetonitrile solution in carbon disulfide 5mL
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GBW(E)083510 二硫化碳中丙酮溶液标准物质二硫化碳中丙酮溶液标准物质 Standard material for acetone solution in carbon disulfide 5mL
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GBW(E)083306 水中总氮溶液标准物质水中总氮溶液标准物质 Total nitrogen in water solution reference material 20mL
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GBW(E)083248 水中溴成分分析标准物质水中溴成分分析标准物质 Standard substance for analysis of bromine in water 20mL
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GBW(E)083244 水中硝酸盐-氮成分分析标准物质水中硝酸盐-氮成分分析标准物质 Standard substance for nitrate - nitrogen component analysis in water 20mL
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GBW(E)130683 异丙醇水溶液中利血平标准物质异丙醇水溶液中利血平标准物质 Reserpine standard substance in isopropyl alcohol aqueous solution 2mL
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GBW(E)130682 液质校准用甲醇水中利血平标准物质液质校准用甲醇水中利血平标准物质 Standard substance for reserpine in methanol water for liquid quality calibration 2mL
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GBW(E)084225 硫酸铈滴定溶液标准物质硫酸铈滴定溶液标准物质 Cerous sulfate titration solution reference material 500mL
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GBW(E)084224 碘酸钾滴定溶液标准物质碘酸钾滴定溶液标准物质 Potassium iodate titration solution reference material 500mL
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