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环境标样-22种有机挥发物 VOC Mix-22 (浓度见批号) in Methanol
BW31760-aDM-1mL
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Pricing
总氮(以氮计) 水质标液(浓度1000µg/ml)
BW80500YW-50mL
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水中氟离子 水质标液(浓度1000ug/ml)
BW81195YW-50ML-ON
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14种挥发卤代烃 标样 (浓度见批号) in Methanol
BW30488DM-1mL
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水中氯离子 水质标液(浓度1000μg/ml)
BW81125YW-50mL
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总碱度 20ml 水质标液(浓度1000ug/mL)
BW80550YW-20ML
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二氧化硫 20ml 水质标样(浓度见批号)
BW26833DW-20ML
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二氯乙酸 水质标样 (浓度见批号)
BW821843DW-1mL
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环境标样-21种酚类混标 Mix-21 (浓度见批号)in Methanol
BW30711DM-1mL
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钙 水质标液(浓度100ug/mL)
BW81100XW-20mL
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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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GBW(E)080220
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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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化学需氧量 50ml 水质标液(浓度200µg/ml)
BW80250QW-50mL-ON
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氨氮 水质标液(浓度1000µg/ml)
BW80100YW-500mL
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水中氟离子 水质标液(浓度1000ug/ml)
BW81195YW-20ML
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Pricing
总氮(以氮计) 水质标液(浓度100µg/ml)
BW80500XW-100mL
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红外测油仪用溶液标准物质(石油类四氯乙烯) 浓度:1000µg/mL
Bepure-GBW(E)136754
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Pricing
3种多元素混标 Mix-3 1000ug/mL
BePure-BW900000-100mL
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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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