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化学需氧量 水质标液(浓度1000ug/ml)
BW80250YW-50mL
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氨氮 水质标液(浓度1000µg/ml)
BW80100YW-500mL
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总磷(以磷计) 水质标液(浓度1000µg/ml)
BW80600YW-500mL
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高锰酸盐指数 水质标液(浓度1000ug/mL)
BW80860YW-100mL
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总氮(以氮计) 水质标液(浓度1000µg/ml)
BW80500YW-50mL
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氨氮 水质标液(浓度1000µg/ml)
BW80100YW-50mL
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氨氮 水质标液(浓度100µg/ml)
BW80100XW-50mL
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氨氮 水质标液(浓度1000µg/ml)
BW80100YW-100mL
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pH 7 水质标样(数值见批号)
BW80070DW-400mL
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pH 4 水质标样(数值见批号)
BW80040DW-400mL
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总氮(以氮计) 水质标液(浓度100µg/ml)
BW80500XW-100mL
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总磷(以磷计) 水质标液(浓度100µg/ml)
BW80600XW-100mL
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铵离子 水质标液(浓度100µg/ml)
BW81023XW-50mL
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pH 9 水质标样(数值见批号)
BW80090DW-400mL
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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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铵离子 水质标液(浓度1000µg/ml)
BW81023YW-50mL
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环境标样-55种挥发性有机物混标 (浓度见批号) VOC Mix-55 in Methanol
BW30491DM-v2-1mL
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环境标样-14种酚类化合物混标 质控样 Phenols Mix-14 10ug/ml in Methanol
BW30707DM-1mL
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3种多元素混标 Mix-3 1000ug/mL
BePure-BW900000-100mL
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16种多元素混标 Mix-16 100ug/mL
BePure-BW900001-100mL
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