国家标准物质-标准物质实验室【北京华研】
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GBW(E)084987 甲醇中间二甲苯溶液标准物质甲醇中间二甲苯溶液标准物质 Methanol intermediate xylene solution reference material 2mL
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GBW(E)084986 甲醇中间二甲苯溶液标准物质甲醇中间二甲苯溶液标准物质 Methanol intermediate xylene solution reference material 2mL
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GBW(E)084985 甲醇中邻二甲苯溶液标准物质甲醇中邻二甲苯溶液标准物质 O - xylene solution reference material in methanol 2mL
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GBW(E)084984 甲醇中邻二甲苯溶液标准物质甲醇中邻二甲苯溶液标准物质 O - xylene solution reference material in methanol 2mL
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GBW(E)084983 甲醇中甲苯溶液标准物质甲醇中甲苯溶液标准物质 Reference material for toluene solution in methanol 2mL
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GBW(E)084982 甲醇中甲苯溶液标准物质甲醇中甲苯溶液标准物质 Reference material for toluene solution in methanol 2mL
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GBW(E)084383 水中总硬度溶液标准物质水中总硬度溶液标准物质 Total hardness in water solution reference material 20mL
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GBW(E)084382 水中总硬度溶液标准物质水中总硬度溶液标准物质 Total hardness in water solution reference material 50mL
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GBW(E)084382 水中总硬度溶液标准物质水中总硬度溶液标准物质 Total hardness in water solution reference material 20mL
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GBW(E)084364 水中氟、氯、硝酸盐氮、硫酸根溶液标准物质水中氟、氯、硝酸盐氮、硫酸根溶液标准物质 Water fluorine, chlorine, nitrate nitrogen, sulfate solution standard material 100mL
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