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总氮(以氮计) 水质标液(浓度50µg/ml)
BW80500L5W-20mL
Inquiry
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pH 水质标液(6.86)
BW80070-500mL
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水中钼 水质标液(浓度1000ug/mL)
BW81090YW-50mL
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Pricing
水中氯离子 水质标液(浓度10000μg/ml)
BW81125TW-100mL
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Pricing
水中钼 水质标液(浓度100ug/mL)
BW81090XW-20mL
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Pricing
水中甲醛 标液(浓度1000ug/mL)
BW23078YW-20mL
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水中钼 水质标样(浓度见批号)
BW81090DW-20mL
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水中硫酸根 分析校准用标液(浓度10000μg/ml)
BW81585TW-100mL
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化学需氧量 水质标液(浓度2000ug/ml)
BW80250Y2W-500mL
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化学需氧量 水质标液(浓度1000ug/ml)
BW80250YW-500mL
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pH 水质标液(9.182)
BW80090-500mL
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Pricing
pH 水质标液(4.01)
BW80040-500mL
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氨氮 水质标液(浓度100µg/ml)
BW80100XW-500mL
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阴离子表面活性剂(十二烷基苯磺酸钠) 水质标液(10ug/ml)
BW81170LW-500mL
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4种阴离子混标( 氟40mg/L 氯:1000mg/L 硝酸盐:100mg/L 硫酸盐:1000mg/L)
BePure-BW900006CW-100mL
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Pricing
pH 水质标液(4.01)
BW80040-100mL
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Pricing
水中总氯/总余氯(浓度1000ug/ml)
BW81266YW-20mL
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土壤重金属与特征污染物元素分析(华北地区)
BW85501-45g
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Pricing
土壤重金属与特征污染物元素分析(华南地区)
BW85502-45g
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土壤重金属与特征污染物元素分析(西南地区)
BW85503-45g
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