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BW30877XD-1mL
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环境标样-23种有机氯农药 mix-23 in Cyclehexane 10ug/mL 1mL
BW30882LC-1mL
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石油类(紫外法)1000ug/ml 正己烷 10ml 分析校准用(标液(浓度1000µg/ml)
BW80355YH-10mL
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BW80070-20mL
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环境标样-18种多氯联苯混标 PCB Mix-18 10µg/ml in n-Hexane
BW30517LH-1mL
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BW80040-20mL
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甲醛 20ml 水质标样(浓度见批号)
BW23078DW-20mL
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甲醛 2ml 水质标液 (浓度10000ppm)
BW23078TW-2mL
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甲醛 20ml 水质标液(浓度100µg/ml)
BW23078XW-20ml
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水中甲醛标液 1mL(浓度1000ug/mL)
BW23078YW-1mL
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石油类(红外法)1000ug/ml 四氯乙烯 10ml 分析校准用标液(浓度1000µg/ml)
BW80355YV-10mL
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Pricing
BW80090-20mL
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BW80100XW-20mL
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BW80100YW-20mL
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BW80100MW-20mL
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Pricing
氮氧化物(以NO2计) 空气监测标样(水剂)(浓度见批号)
BW80150DW-20mL
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Pricing
氨氮 20ml 水质标样(浓度见批号)
BW80100DW-20mL
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氮氧化物(以NO2计) 空气监测标液(水剂)(浓度250ug/mL)
BW80150SW-20mL
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Pricing
氮氧化物(以NO2计) 空气监测标液(水剂)(浓度1000ug/mL)
BW80150YW-20mL
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BW80200DW-20mL
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