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技術文章

科達儀器-測氫儀的電解池的清洗

2024-12-16  來自: 鶴壁市科達儀器儀表有限公司(si) 瀏覽次(ci)數:294

電解池作(zuo)過一(yi)至二百個(ge)樣品(pin)后,應(ying)重新(xin)處理,否則將直接影響氫(qing)值的分析(xi)結果,使氫(qing)值偏低,處理方法如(ru)下(xia):

(1) 卸下電解池;

(2) 清(qing)(qing)洗(xi)(xi)(xi)電(dian)解池(chi):首先用(yong)(yong)自來水將其沖(chong)洗(xi)(xi)(xi),然后用(yong)(yong)小軟毛刷(shua)(shua)沾上洗(xi)(xi)(xi)衣粉,慢(man)(man)慢(man)(man)向(xiang)左(zuo)向(xiang)里旋動毛刷(shua)(shua),注(zhu)意旋動到引線即可,再慢(man)(man)慢(man)(man)地向(xiang)右向(xiang)外旋動毛刷(shua)(shua)退出(chu),用(yong)(yong)水沖(chong)洗(xi)(xi)(xi),看鉑絲是(shi)否洗(xi)(xi)(xi)亮,如發現(xian)有(you)黑處(chu),可重(zhong)新用(yong)(yong)毛刷(shua)(shua)刷(shua)(shua)洗(xi)(xi)(xi)直(zhi)到洗(xi)(xi)(xi)凈,最后用(yong)(yong)蒸餾水沖(chong)洗(xi)(xi)(xi)干凈,再用(yong)(yong)丙(bing)銅(tong)沖(chong)洗(xi)(xi)(xi)一(yi)下,完畢后,用(yong)(yong)電(dian)吹(chui)風(熱風檔(dang)) 吹(chui)干,接著用(yong)(yong)萬用(yong)(yong)表電(dian)阻擋(2K) 量電(dian)解池(chi)兩極(ji),內阻應(ying)量無窮大(da),表明清(qing)(qing)洗(xi)(xi)(xi)完好(hao),否則重(zhong)新清(qing)(qing)洗(xi)(xi)(xi)。

(3) 配(pei)電解液:取10ml或15ml的小量(liang)筒,按體積比先盛入(ru)3份磷(lin)酸(優級(ji)純),再盛入(ru)7份丙銅(tong),輕搖(yao)量(liang)筒,筒底應(ying)有(you)熱(re)量(liang)散發。

(4) 涂    膜(mo):將洗清好(hao)的電(dian)解(jie)池粗端傾斜(xie)向(xiang)上,把配好(hao)的電(dian)解(jie)液向(xiang)電(dian)解(jie)池內倒(dao),第一次到至電(dian)解(jie)池長度的1/2 (若電(dian)解(jie)液還向(xiang)下流(liu)(liu),應將其(qi)放平,用(yong)濾(lv)紙擦(ca)凈流(liu)(liu)過(guo)來的電(dian)解(jie)液),然(ran)后用(yong)冷風吹干(gan),第二(er)次倒(dao)至電(dian)解(jie)池全部 (注(zhu)意不要流(liu)(liu)過(guo)兩(liang)極) ,再用(yong)冷風吹干(gan),第三次倒(dao)入(ru)一半(ban),用(yong)冷風吹干(gan),然(ran)后用(yong)萬用(yong)表(biao)(1Ω擋)量兩(liang)極,如有一定的阻值(zhi)(幾(ji)(ji)歐或幾(ji)(ji)十歐),則(ze)涂膜(mo)正常,否則(ze)重涂。

(5) 裝上(shang)涂(tu)膜好的電(dian)解池(chi)(chi),并將冷卻(que)套裝上(shang),使電(dian)解池(chi)(chi)細端略微向上(shang)傾斜。

(6) 電(dian)(dian)解(jie)(jie):打開氣路,流(liu)量計顯示80mL/min,開啟電(dian)(dian)源,按(an)(an)下(xia)涂(tu)膜(mo)(mo)鍵,60分(fen)鐘后(hou)電(dian)(dian)解(jie)(jie)至終(zhong)(zhong)點(dian),可再(zai)按(an)(an)涂(tu)膜(mo)(mo)鍵,繼續涂(tu)膜(mo)(mo),直到終(zhong)(zhong)點(dian)(電(dian)(dian)解(jie)(jie)流(liu)≤70mA),到達終(zhong)(zhong)點(dian)后(hou),可按(an)(an)“月、日"鍵,分(fen)別(bie)按(an)(an)入單數(shu)(shu)和雙數(shu)(shu),再(zai)按(an)(an)返回鍵使電(dian)(dian)解(jie)(jie)電(dian)(dian)流(liu)能快速降至終(zhong)(zhong)點(dian),如此(ci)反復多次,即可使用。至此(ci)電(dian)(dian)解(jie)(jie)池(chi)處(chu)理完畢(bi),做(zuo)正式樣前先分(fen)析(xi)兩個(ge)廢樣以平衡系統。



測氫儀電解池