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Water colorimetry & chemical analysis

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Water colorimetry & chemical analysisClear all
HI711 HI711 总氯 比色计

HI711 总氯 比色计

Hanna Instruments / HANNA / 汉钠HI711

氯是常用的水质消毒剂。但是水中过量的氯会形成有毒有害物质,因此对于游泳池和温泉水,水果和蔬菜清洁用水,饮用水中氯含量的监测至关重要。

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HI719 HI719 镁 Mg 硬度比色计

HI719 镁 Mg 硬度比色计

Hanna Instruments / HANNA / 汉钠HI719

水的硬度是由于能跟肥皂作用生成沉淀和与水中某些阴离子化合生产水垢的两价金属离子的存在而产生的。致硬金属离子是钙离子和镁离子。HI719是一款设计简单精巧,测量准确,价格经济实惠的测量镁/钙硬度的测定仪。

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HI720 HI720 钙 Ca 硬度比色计

HI720 钙 Ca 硬度比色计

Hanna Instruments / HANNA / 汉钠HI720

水的硬度是由于能跟肥皂作用生成沉淀和与水中某些阴离子化合生产水垢的两价金属离子的存在而产生的。致硬金属离子是钙离子和镁离子。HI720是一款设计简单精巧,测量准确,价格经济实惠的测量镁/钙硬度的测定仪。

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