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钠 水质标液 1000ug/mL
BW81380YW-50mL
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铜 20ml 水质标样(浓度见批号)
BW81160DW-20mL
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8种硝基苯混标 Nitrobenzenes Mix-8 50ug/ml in Methanol
BW30592DM-1ML
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14种挥发卤代烃混标 VOC Mix-14 varied conc in Methanol
BePure-30488YM
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四氯乙烯中正十六烷 20mL 水质标液(浓度20ug/mL)
BW83335LV-20mL
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锌 水质标液(浓度100ug/mL)
BW81730XW-1l
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汞20ml 水质标样(浓度见批号)
BW81250DW-20mL
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石油类 (紫外法) 正己烷 10ml 中有机物监测标样(浓度见批号)
BW80350DH-10mL
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n-Alkanes Mix-31(C10-C40) 1000ug/ml in Cyclohexane
BePure-30934YC
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12种有机挥发物混标 Aromatics Mix-12 1000ug/ml in Methanol
BePure-30706YM
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挥发酚 20ml 水质标样(浓度见批号)
BW80300HW-20mL
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正四十烷 n-Tetracontane 300ug/ml in n-Hexane
BePure-25899ZH
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2种替代物1混标 Aromatics Mix-2 1000ug/ml in Dichloromethane
BePure-30903YD
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银 20ml 水质标样(浓度见批号)
BW81010DW-20mL
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二氯乙酸 水质标样 (浓度见批号)
BW821843DW-1mL
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总磷(以磷计) 水质标液(浓度0.200µg/ml)
BW80600P2W-20mL-ON
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水中氟离子 水质标液(浓度500ug/ml)
BW81195ZW-20ML
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GBW12031
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粪大肠菌群质控样品,水质粪大肠菌群测定质量控制与人员考核(多管发酵法)
BQCMC211B0502
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Pricing
化学需氧量 50ml 水质标液(浓度24.5µg/ml)
BW80250L2-4W-50mL-ON
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