国家标准物质-标准物质实验室【北京华研】
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BYZ6938-2016 铵态氮标准溶液铵态氮标准溶液 Ammonium nitrogen standard solution 100mL
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BYZ6936-2016 硝酸盐溶液标准物质硝酸盐溶液标准物质 Nitrate solution reference material 10mL
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BYZ6933-2016 水中6种阴离子混合质控样(氟，氯，溴，硝酸根，磷酸根，硫酸根)(标样)水中6种阴离子混合质控样(氟，氯，溴，硝酸根，磷酸根，硫酸根)(标样) Quality control sample of 6 anions in water (fluorine, chlorine, bromine, nitrate, phosphoric acid, sulfate)(standard sample) 20mL
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BYZ6929-2016 亚硝酸盐溶液标准物质亚硝酸盐溶液标准物质 Nitrite solution reference material 50mL
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BYZ6928-2016 硝酸盐溶液标准物质硝酸盐溶液标准物质 Nitrate solution reference material 50mL
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BYZ6927-2016 氨氮标准溶液氨氮标准溶液 Ammonia nitrogen standard solution 50mL
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BYZ6924-2016 水中甲醛溶液标准物质水中甲醛溶液标准物质 Standard substance of formaldehyde solution in water 20mL
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BYZ6923-2016 总磷标准溶液总磷标准溶液 Total phosphorus standard solution 100mL
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BYZ6920-2016 偏硅酸标准溶液偏硅酸标准溶液 Standard solution of metasilicate acid 20mL
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BYZ6919-2016 偏硅酸标准溶液偏硅酸标准溶液 Standard solution of metasilicate acid 50mL
标准物质实验室 · 京ICP备19035853号-1