国家标准物质-标准物质实验室【北京华研】
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BYZ6785-2016 磷、硫、硅混合溶液标准物质磷、硫、硅混合溶液标准物质 Phosphorus, sulfur, silicon mixed solution standard material 50mL
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BYZ6782-2016 水质氟、氯、硫酸根与硝酸根混合(标样)水质氟、氯、硫酸根与硝酸根混合(标样) Water quality Fluorine, chlorine, sulfate and nitrate mixed (standard sample) 20mL
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BYZ6781-2016 氟离子、氯离子、硝酸根、硫酸根与磷酸根(磷酸盐)5种阴离子混合溶液标准物质氟离子、氯离子、硝酸根、硫酸根与磷酸根(磷酸盐)5种阴离子混合溶液标准物质 Fluoride ion, chloride ion, nitrate, sulfate and phosphate (phosphate)5 kinds of anionic mixed solution standard material 20mL
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BYZ6776-2016E 水质总碱度(标样)水质总碱度(标样) Total alkalinity of water quality (standard sample) 20mL
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BYZ6776-2016D 水质总碱度(标样)水质总碱度(标样) Total alkalinity of water quality (standard sample) 20mL
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BYZ6776-2016C 水质总碱度(标样)水质总碱度(标样) Total alkalinity of water quality (standard sample) 20mL
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BYZ6776-2016B 水质总碱度(标样)水质总碱度(标样) Total alkalinity of water quality (standard sample) 20mL
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BYZ6776-2016 水质总碱度(标样)水质总碱度(标样) Total alkalinity of water quality (standard sample) 20mL
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BYZ6775-2016 水质尿素氮(标样)水质尿素氮(标样) Water quality urea nitrogen (Standard sample) 20mL
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BYZ6774-2016D 水质氯化物(标样)水质氯化物(标样) Chlorides for Water quality (standard sample) 20mL
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