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7种阴离子混标(溴离子、氟离子、亚硝酸根、硫酸根、氯离子、硝酸根、磷酸根)混合浓度 溶剂:水
BW870001CW-100ml
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锑 水质标液(浓度1000ug/mL)
BW81530YW-1L
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总有机碳 水质标液(浓度1000ug/mL)
BW80750YW-20mL
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水中乙二胺 标液(浓度2000ug/mL)
BW22683Y2W-2mL
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3种阳离子混标(铜铅镉)500ug/mL
BW870003ZW-20mL
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水中碘离子 标液 (1000ug/ml) in Water
BW81265YW-500mL
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水中苯并(a)芘 水质标样 (浓度见批号)
BW26905DW-20mL
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水中铵离子溶液标准物质 (浓度1000µg/ml)
Bepure-GBW(E)084886-20mL
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水中铵离子溶液标准物质(浓度100µg/ml)
Bepure-GBW(E)084887-20mL
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水中氨氮溶液标准物质(浓度1000µg/ml)
Bepure-GBW(E)084888-20mL
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水中氨氮溶液标准物质(浓度100µg/ml)
Bepure-GBW(E)084889-20mL
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银 水质标液(浓度1000ug/mL)
BW81010YW-500mL
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丙酮中涕灭威 环境标样(浓度见批号)
BW20179DB-1mL
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水中氟离子溶液标准物质(浓度1000ug/ml)
Bepure-GBW(E)084890-20mL
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水中氯离子溶液标准物质(浓度1000ug/ml)
Bepure-GBW(E)084891-20mL
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水中硫酸根离子溶液标准物质(浓度1000ug/ml)
Bepure-GBW(E)084952-20mL
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水中硝酸根离子溶液标准物质(浓度1000ug/mL)
Bepure-GBW(E)084953-20mL
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总氮(以氮计) 水质标样(浓度见批号)
BW80500DW-50mL
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硝酸盐 水质标液(浓度1000ug/mL)
BW81418YW-50mL
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水中磷酸根 水质标液(浓度1000ug/mL)
BW81430YW-50mL
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