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硝酸盐 20ml 水质标液(浓度500ug/mL)
BW81418ZW-20ML
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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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浊度 标液 (40.0NTU)
BW80880L4-500mL-ON
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总氮(以氮计) 水质标液(浓度80µg/ml)
BW80500L8W-50mL-ON
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氨氮 水质标液(浓度1000µg/ml)
BW80100YW-100mL
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钾、钠、钙、镁 20ml 水质标样(浓度见批号)
BW85033DW-20mL
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硫酸盐以硫计 20ml 水质标液(浓度100μg/ml)
BW81526XW-20ML
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电导率 水质标液(500μs/cm)
BW80200ZW-500mL-ON
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镁 水质标液(浓度100ug/mL)
BW81340XW-20mL
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Pricing
环境标样-苯甲醛-乳酸乙酯 混标 VOC Mix-2 (浓度见批号) in Acetonitrile
BW31760-bDA-1mL
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乙腈中苯并(a)芘 质控样 (浓度见批号)
BW26905DA-1mL
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总磷(以磷计) 水质标液(浓度5µg/ml)
BW80600A5W-20mL-ON
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Pricing
Mix-32 in 5% v/v HNO3 / 0.3 - 0.9% v/v HF 100ug/mL
IV-39065-1(BESTOWN-42)
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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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总磷(以磷计) 水质标液(浓度0.200µg/ml)
BW80600P2W-50mL-ON
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Pricing
水中氯酸盐 标样(浓度见批号)
BW81127DW-20ML
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Pricing
钾 水质标样 (浓度见批号)
BW81370DW-50mL
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Pricing
四氯乙烯中苯 水质标液(浓度100ug/ml)
BW820577XV-20ML
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Pricing
总磷(以磷计) 水质标液(浓度100µg/ml)
BW80600XW-100mL
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