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四氯乙烯中苯 水质标液(浓度100ug/ml)
BW820577XV-20ML
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pH 水质标液(4.01)
BW80040-500mL
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Pricing
总磷、总氮混标(不稀释) 质控样 (浓度见批号)
BePure-BW900004-500mL
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总氮(以氮计) 水质标液(浓度80µg/ml)
BW80500L8W-50mL-ON
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铅 水质标液(浓度100ug/mL)
BW81440XW-20mL
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二硫化碳中10种氯苯HJ1079-2019 质控样(浓度见批号) in Carbon disulfide
BW31035DJ-1mL
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总磷(以磷计) 水质标样(浓度见批号)
BW80600DW-50mL
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总氮(以氮计) 水质标液(浓度100µg/ml)
BW80500XW-100mL
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二氧化硫 20ml 水质标液(浓度100ug/mL)
BW26833XW-20ML
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15种氯代除草剂 HJ1070 Pesticides Mix-15(浓度见批号) in Acetone
BW31015DB
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靛蓝二磺酸钠(以臭氧计) 水质标液(浓度5µg/ml) 溶剂:磷酸盐缓冲液
BW81267P5Z-50mL
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土壤 pH 中性 质控样(具体值见批号)
BW88006-45g
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7种有机磷混合质控样 (浓度见批号) Mix-7 in Acetone
BW30990DB-1mL
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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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浊度 水质标样 (浓度见批号)
BW80880DW-50mL
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Pesticides Mix-8 (浓度见批号) in Methanol
BW31039DM
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氨氮 水质标液(浓度100µg/ml)
BW80100XW-500mL
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Pricing
HQB产气肠杆菌定量标准菌株,水质粪大肠菌群测定阴性对照、培养基检验(滤膜法)
BQCMC211C0072
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Pricing
锂 水质标液(浓度1000ug/mL)
BW81320YW-20mL
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锑 水质标液(浓度1000ug/mL)
BW81530YW-20mL
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