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温度的变化可能会影响pH值。然而在某些特定pH值时,比如pH为7,温度不会对pH值产生影响。这也是我们所知道的“零电位点”。

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不锈钢材质外壳,控制器/变送器余氯电极。

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不锈钢温度探头,范围:-20 to 120°C,线长:1米,与滴定测定配套使用

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MERCK CentiPUR®缓冲液,直接使用,无需任何制备,PE瓶包装,采用高品质的原材料,并由独立的专业校正实验室控制其PH值。

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pH标准浓缩缓冲溶液性能卓越,能满足您不同工作环境的多种需求。

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A330369:标值:1.68 pH、规格:500 mL;精度:±0.01pH;常规等级, pH缓冲液。

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该系列校准液,采用不透明避光包装,符合FDA食品药物管理局标准要求。

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该系列校准液,采用不透明避光包装,符合FDA食品药物管理局标准要求。

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标准值:84µS/cm,规格:500ml, 实验室认证的电导率校准缓冲液。

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总固体溶解度(TDS)、标准值:1382ppm(mg/L),规格: 20 ml×25袋,常规校准缓冲液。

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电导率校准液【12880µS/cm】:标值:12880µS/cm、规格:3700 mL,常规等级

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具有FDA认证的实验室电导率校准缓冲液。

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皮肤残留物专用清洗液,规格:500ml,瓶装,,适用于皮肤美容行业

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A330582:标值:200 to 275 mV、规格:500 mL; 常规等级,ORP电位标准液。

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