国家标准物质-标准物质实验室【北京华研】
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BW80860HW-20mL 生化需氧量水质标样生化需氧量水质标样 Biochemical oxygen demand water quality standard sample 20ml
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BW80250DW-20mL 化学需氧量水质标样化学需氧量水质标样 Chemical oxygen demand water quality standard sample 20ml
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BW80200DW-20mL 电导率水质标样电导率水质标样 Electrical conductivity water quality standard sample 30ml
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BW80150HW-20mL 氮氧化物空气监测标样(水剂)氮氧化物空气监测标样(水剂) Nitrogen oxide air monitoring standard sample (water) 20ml
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BW80100DW-20mL 氨氮水质标准样品氨氮水质标准样品 Ammonia nitrogen water quality standard sample 20ml
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BW80100MW-20mL 氨氮水质标准样品氨氮水质标准样品 Ammonia nitrogen water quality standard sample 20ml
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BW80100YW-20mL 氨氮水质标准样品氨氮水质标准样品 Ammonia nitrogen water quality standard sample 20ml
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BW80070-20mL pH9水质标样pH9水质标样 PH9 Water quality standard 7.34 20ml
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BW80090-20mL pH7水质标样pH7水质标样 PH7 Water quality standard 9.07 20ml
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BW80040-20mL pH4水质标样pH4水质标样 PH4 Water quality standard 4.12 20ml
标准物质实验室 · 京ICP备19035853号-1