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水中钼 水质标样(浓度见批号)
BW81090DW-20mL
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亚硝酸盐 标液(浓度1000ug/mL)
BW81415YW-50mL
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钡 水质标液(浓度1000ug/mL)
BW81060YW-20mL
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水中氯化氢(以氯化氢计) 水质标样(浓度见批号)
BW81129DW-20mL
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汞 水质标液(浓度1000ug/mL)
BW81250YW-50mL
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镍 水质标液 (浓度100ug/mL)
BW81410XW-20mL
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环境标样-12种醛酮类衍生物混标 (浓度见批号)in Acetonitrile
BW30783DA-1mL
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pH 水质标液(6.864)
BW80070-50mL
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硼 水质标液(浓度100ug/mL)
BW81050XW-50mL
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氨氮 水质标液(浓度100µg/ml)
BW80100XW-1L
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HQB产气肠杆菌定量标准菌株,水质粪大肠菌群测定阴性对照、培养基检验(滤膜法)
BQCMC211C0072
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硼 水质标样(浓度见批号)
BW81050DW-50mL
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总氮(以氮计) 水质标液(浓度1.5µg/ml)
BW80500A1-5W-50mL-ON
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化学需氧量 50ml 水质标液(浓度22.5µg/ml)
BW80250L2-3W-50mL-ON
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铜 水质标液 (浓度1000ug/mL)
BW81160YW-20mL
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银 水质标液(浓度1000ug/mL)
BW81010YW-20mL
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铅 水质标液(浓度100ug/mL)
BW81440XW-20mL
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铅 水质标液(浓度1000ug/mL)
BW81440YW-20mL
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铁 水质标液(浓1000ug/mL)
BW81200YW-50mL
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汞 水质标液(浓度1000ug/mL)
BW81250YW-20mL
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