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E+H的氣體電極的實物圖可供參考

簡要描述:

E+H的氣體電極的實物圖可供參考

E+H電極PH測量原理
pH值(zhi)是液體介質(zhi)的酸度和堿度測量單位(wei)。電(dian)(dian)極(ji)的玻璃膜(mo)上(shang)生(sheng)成(cheng)(cheng)電(dian)(dian)化學電(dian)(dian)位(wei),電(dian)(dian)位(wei)值(zhi)取決于介質(zhi)的pH值(zhi)。氫(qing)離(li)子(zi)(H+) 選擇性滲透通過外(wai)層膜(mo),產(chan)生(sheng)電(dian)(dian)化學電(dian)(dian)位(wei),即(ji)電(dian)(dian)化學分(fen)界層的電(dian)(dian)位(wei)。內置AgCl參(can)比系(xi)統用作參(can)比電(dian)(dian)極(ji)。變送器(qi)基于能斯特方程(Nernst)將測量電(dian)(dian)壓轉換(huan)成(cheng)(cheng)相應的pH值(zhi)。

更新時間:2024-10-07
訪問量:1932

E+H的氣體電極的實物圖可供參考

德國E+H電極供應CPS11D-7BA2G

E+H德國PH數字電極(ji)電纜(lan)CYK10-A051 

數字電極電纜 CYK10    

 SPK: CAR

[A] : 非防爆場合

[05] 電纜長(chang)度: 5m

[1] 電纜(lan)連接: 接線端


E+H電極(ji)氣(qi)體電極(ji),是氧化(hua)還(huan)(huan)原對的一個組分為(wei)氣(qi)體時的氧化(hua)還(huan)(huan)原電極(ji) (圖 4),例如氫電極(ji) (Pt|H2|H)、氯電極(ji)(Pt|Cl2|Cl)等(deng)。為(wei)了加(jia)速達成(cheng)平衡,金屬鉑上需要鍍上鉑黑以增加(jia)表(biao)面積并(bing)起電催化(hua)作用。

 E+H電(dian)(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)難(nan)溶鹽(yan)電(dian)(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji),氧化(hua)還(huan)原對的(de)(de)一個(ge)組分(fen)是難(nan)溶鹽(yan)或其他固相。因此它(ta)包(bao)含三個(ge)物相、 兩個(ge)界面,在每一相界面上(shang)存在著單(dan)一的(de)(de)快速遷越過程,如甘(gan)汞電(dian)(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)(Hg|Hg2Cl2|Cl)、電(dian)(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)(Hg|HgO|OH)。在甘(gan)汞電(dian)(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)中,甘(gan)汞與電(dian)(dian)(dian)(dian)(dian)(dian)解(jie)液(ye)(ye)的(de)(de)溶解(jie)平衡(heng)*受(shou)電(dian)(dian)(dian)(dian)(dian)(dian)液(ye)(ye)中濃度較(jiao)高的(de)(de)Cl所控制,Cl在Hg2Cl2|電(dian)(dian)(dian)(dian)(dian)(dian)液(ye)(ye)界面上(shang)的(de)(de)交(jiao)換(huan)速率(lv)也很快,故(gu)它(ta)的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)電(dian)(dian)(dian)(dian)(dian)(dian)勢非常(chang)穩定。它(ta)是常(chang)見的(de)(de)參(can)比(bi)電(dian)(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji),有些書刊稱這類電(dian)(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)為類電(dian)(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)。

CPS11-1BA2GSA德國E+H電極PH計CPS76D-7BB21

安裝指南禁(jin)止倒裝電(dian)極CPS12D-7PA21。水平(ping)傾斜角必須至少為15°。傾斜安裝角過小,玻璃膜中會形成氣(qi)泡層CPS71D-7TC21,導致pH隔膜不(bu)能*浸潤在內部電(dian)解液(ye)中。CPS71D-7TB51

注意(yi)PMC51-AA21JB1HGDGMJA+AK

擰入(ru)電極前,確(que)保安裝支架(jia)的螺紋連接清潔CPS91D-7BT21,工作正常(chang)CPS171D-AA7NTP2。

? 手(shou)動擰緊電(dian)極(3 Nm)!(參數值僅適用于使(shi)用CPS41D-7BC2BG安(an)裝(zhuang)支架安(an)裝(zhuang)。)

? 確(que)保遵守所使用安裝支架《操作手(shou)冊》中的安裝指南(nan)要求。CPS41-2AC2ESS

E+H的氣體電極概覽

 難(nan)(nan)溶鹽(yan)電(dian)(dian)(dian)(dian)極(ji),氧化還原對的(de)一(yi)個(ge)組分是難(nan)(nan)溶鹽(yan)或其他固(gu)相。因此它(ta)包含三個(ge)物相、 兩(liang)個(ge)界面(mian)(圖1),在(zai)每一(yi)相界面(mian)上(shang)存在(zai)著單一(yi)的(de)快速遷越過程(cheng),如甘(gan)汞電(dian)(dian)(dian)(dian)極(ji)(Hg|Hg2Cl2|Cl)、電(dian)(dian)(dian)(dian)極(ji)(Hg|HgO|OH)。在(zai)甘(gan)汞電(dian)(dian)(dian)(dian)極(ji)中,甘(gan)汞與電(dian)(dian)(dian)(dian)解液(ye)的(de)溶解平衡*受電(dian)(dian)(dian)(dian)液(ye)中濃度(du)較高的(de)Cl所控制,Cl在(zai)Hg2Cl2|電(dian)(dian)(dian)(dian)液(ye)界面(mian)上(shang)的(de)交(jiao)換速率也很快,故它(ta)的(de)電(dian)(dian)(dian)(dian)極(ji)電(dian)(dian)(dian)(dian)勢非常穩定(ding)。它(ta)是常見的(de)參比電(dian)(dian)(dian)(dian)極(ji),有(you)些書刊稱這類(lei)電(dian)(dian)(dian)(dian)極(ji)為類(lei)電(dian)(dian)(dian)(dian)極(ji)。

膜電(dian)極 利用隔(ge)膜對于單種離(li)(li)(li)子的(de)透過性(xing)或(huo)膜表面與電(dian)解(jie)液的(de)離(li)(li)(li)子交換平(ping)衡所(suo)建立的(de)電(dian)勢來測量電(dian)液中(zhong)特定(ding)離(li)(li)(li)子活度的(de)裝置(zhi)(圖5),例如玻璃電(dian)極、離(li)(li)(li)子選(xuan)擇性(xing)電(dian)極。

E+H電極原理:

通常有兩種方法(fa)測(ce)(ce)量(liang)水相溶液中的(de)pH值(zhi),比(bi)色(se)法(fa)(pH試(shi)紙和(he)比(bi)色(se)皿)和(he)電(dian)位(wei)法(fa)。電(dian)位(wei)法(fa)是能夠(gou)實現連(lian)續測(ce)(ce)量(liang)和(he)過(guo)程監控的(de)方法(fa),而且(qie)電(dian)位(wei)法(fa)可(ke)獲得(de)正確且(qie)結果(guo)可(ke)重(zhong)復的(de)pH值(zhi),pH電(dian)極測(ce)(ce)量(liang)的(de)核心理論(lun)是能斯特方程。

pH:玻璃電極

應(ying)用:在過(guo)程(cheng)和環(huan)境監測里面的標(biao)準應(ying)用.長期(qi)監測,過(guo)程(cheng)變(bian)化不大.

特點(dian):堅固耐用(yong)/高(gao)壓(ya),內置壓(ya)力匹配器,扁(bian)平膜應用(yong)

測(ce)量范(fan)圍:pH 0-14

測量(liang)原理:帶PTFE環狀隔膜的凝(ning)膠的緊(jin)湊型電極

結構設(she)計:所有的電極長度都帶溫度傳(chuan)感器(qi)

的凝(ning)膠技術(shu).帶抗污(wu)染(ran)的PTFE隔(ge)膜

材質:玻(bo)璃 / PTFE

外形(xing)尺寸直徑 : 12mm,電(dian)極桿(gan)長(chang)度 : 120,225,360 and 425mm

過程溫度:zui大 135℃

過程壓(ya)力:zui大 16bar

溫度(du)傳感器:可以(yi)選擇內置Pt100或(huo)者Pt1000

防爆:簡(jian)單的操作(zuo)設備,無(wu)須證書

連接(jie):TOP68連接(jie)頭

防護等(deng)級:IP 68

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E+H的氣體電極的實物圖可供參考

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