国家标准物质-标准物质实验室【北京华研】
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GBW(E)100556 甲醇中对羟基苯甲酸丙酯溶液标准物质甲醇中对羟基苯甲酸丙酯溶液标准物质 Standard substance for propyl p-hydroxybenzoate solution in methanol 5mL
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GBW(E)100555 甲醇中对羟基苯甲酸乙酯溶液标准物质甲醇中对羟基苯甲酸乙酯溶液标准物质 Standard substance for ethyl parabens solution in methanol 5mL
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GBW(E)100554 甲醇中对羟基苯甲酸甲酯溶液标准物质甲醇中对羟基苯甲酸甲酯溶液标准物质 Solution reference material for methyl p-hydroxybenzoate in methanol 5mL
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GBW(E)100545 食品防腐剂山梨酸溶液标准物质食品防腐剂山梨酸溶液标准物质 Food preservative sorbate solution reference material 5mL
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GBW(E)100544 食品防腐剂山梨酸溶液标准物质食品防腐剂山梨酸溶液标准物质 Food preservative sorbate solution reference material 5m
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GBW(E)100543 正己烷中苏丹红I号溶液标准物质正己烷中苏丹红I号溶液标准物质 Sudan red I solution reference material in n-hexane 5mL
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GBW(E)100508 食品防腐剂苯甲酸溶液标准物质食品防腐剂苯甲酸溶液标准物质 Food preservative benzoic acid solution reference material 5mL
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GBW(E)100507 甲醇水中三聚氰胺溶液标准物质甲醇水中三聚氰胺溶液标准物质 Standard substance for melamine solution in methanol water 5mL
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GBW(E)084183 水中丙酮溶液标准物质水中丙酮溶液标准物质 Standard substance for acetone solution in water 5mL
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GBW(E)084178 乙醇中叔丁基对苯二酚(TBHQ)溶液标准物质乙醇中叔丁基对苯二酚(TBHQ)溶液标准物质 Tert-butylhydroquinone (TBHQ) solution reference material in ethanol 2mL
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