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PG13.5玻璃PH電極SPH4CR(技術(shù)參數(shù))

  • 更新時(shí)間:2025-09-04      瀏覽次數(shù):81
    • 技術(shù)特征

      測(cè)量范圍:2-14pH;工藝溫度:0-60°C

      最大壓力:2bar

      本體材質(zhì):玻璃;隔膜材質(zhì):玻璃

      隔膜類型:單陶瓷隔膜;接點(diǎn)類型:雙

      電解液:KCL凝膠;機(jī)械連接:PG13.5毫米

      電子連接:S8;無信號(hào)線

      PG13.5玻璃PH電極SPH4CR,Easycontrol

      水發(fā)生化學(xué)反應(yīng)的速度和結(jié)果往往取決于水的酸性,因此,了解水的酸性就非常重要,特別是通過pH 探頭來測(cè)量水的酸性。在許多場(chǎng)合,對(duì)pH 值的了解非常有用,也很關(guān)鍵,包括化學(xué)實(shí)驗(yàn)室分析。pH 探頭被用來測(cè)量市政供水、泳池、環(huán)境修復(fù)、葡萄酒或啤酒的釀制以及其他行業(yè)用水的水質(zhì)情況。

      PH儀表是用來測(cè)量水溶液中氫離子的活性的,即呈酸性還是堿性。pH儀表測(cè)量pH電極和參比電極之間的電位差,因此,有時(shí)也稱為“電位pH儀表",電位差與溶液的酸性或pH值有關(guān)。

      電位pH儀表測(cè)量?jī)蓚€(gè)電極之間的電壓,并把測(cè)量結(jié)果轉(zhuǎn)化成相應(yīng)的pH值顯示出來。pH探頭由一個(gè)簡(jiǎn)單的電子放大器和兩個(gè)電極組成,或者是有一個(gè)電子放大器和一個(gè)復(fù)合電極組成。兩個(gè)電極的版本,通常來說,測(cè)量電極是玻璃電極,另外一個(gè)是參比電極。將pH探頭插入待測(cè)溶液進(jìn)行測(cè)量。玻璃電極是一個(gè)玻璃覆膜的離子選擇性電極,此隔膜可感知特定的離子,這是常用的pH測(cè)量方法,玻璃電極可感知?dú)潆x子。


      pH電極的保存  
       電極較長(zhǎng)時(shí)間不用時(shí)應(yīng)按說明書要求保存在合適的液體
       電極不能長(zhǎng)期干放,不能在表面附有干燥介質(zhì)時(shí)貯存電極。干放的電極應(yīng)先放在合適的保 存液中活化后才能使用。
       電極不可放在蒸餾水中保存。    
       
       PH電極處理液使用說明 
      電極清洗液  胃液素/HCl用來去除蛋白質(zhì)污染(隔膜發(fā)黃)。用法:將電極頭部放入溶液中,確保隔膜浸沒在溶液中(至少1個(gè)小時(shí))。然后用蒸餾水沖洗,重新校準(zhǔn)。
      隔膜清洗液  硫脲/HCl用來清洗發(fā)黑的隔膜,它是由含硫溶液引起的。使用方法:將電極頭部浸泡在溶液中(隔膜應(yīng)沒入溶液中),直到隔膜無色(至少1小時(shí)),然后浸泡在3M的KCl中過夜,全部沖洗,重新校準(zhǔn)后可使用。
      電極再生液  敏感膜向下手持電極,把電極再生液滴在敏感膜上,沿軸線不斷旋轉(zhuǎn)電極,建議保持3分鐘左右,然后立即用去離子水沖洗電極并將電極貯存在電極使用說明書規(guī)定的保存液中12小時(shí)。重新校準(zhǔn)后使用。


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