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4种亚硝胺混标 质控样 Nitrosamines-Mix 4 10ug/L in Dichloromethane
BW30818DD-1mL
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四氯乙烯中苯 水质标液(浓度100ug/ml)
BW420577XV-20ML
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化学需氧量 50ml 水质标液(浓度500µg/ml)
BW80250ZW-50mL-ON
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34种有机氯和氯苯 质控样 Pesticides Mix-34 25ug/ml in Acetone
BW31036DB-1mL
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4种总石油烃类(C6-C9)混标 质控样 50ug/ml 甲醇溶剂
BW30936MM-1ml
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pH 水质标液(6.864)
BW80070-500mL-ON
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总氮(以氮计) 水质标液(浓度100µg/ml)
BW80500XW-100mL
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甲醇中2,4-滴 质控样(浓度见批号) 10-140ug/L in Methanol
BW21581DM-1mL
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丙酮中灭草松 质控样(浓度见批号)10-140ug/L in Acetone
BW20559DB-1mL
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总氮(以氮计) 水质标液(浓度5µg/ml)
BW80500A5W-20mL-ON
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四氯乙烯中正十六烷 20mL 水质标液(浓度20ug/mL)
BW43335LV-20mL
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氨 水质标液 100ug/ml
BW80900XW-20mL
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环境标样-60种有机挥发物混标 VOC Mix-60(浓度见批号) in Methanol
BW30754DM-1ML
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pH 9 水质标样(数值见批号)
BW80090DW-400mL
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水中氯酸盐 标液 (1000ug/ml)
BW81127YW-20ML
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电导率 水质标样(浓度见批号)
BW80200DW-500mL
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甲醇中五氯酚 质控样(浓度见批号) in Methanol
BW24763DM-1mL
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四氯乙烯中油烟(oil fume)检测标液 10mL(浓度1000ug/ml)
BW80352YV-10mL
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镁 水质标样(浓度见批号)
BW81340DW-20mL
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氨氮 水质标液(浓度1000µg/ml)
BW80100YW-500mL
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