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20A電(dian)(dian)化(hua)(hua)(hua)(hua)學工作站是電(dian)(dian)化(hua)(hua)(hua)(hua)學測(ce)量系統的(de)(de)簡稱，是電(dian)(dian)化(hua)(hua)(hua)(hua)學研究和教學常用的(de)(de)測(ce)量設備。電(dian)(dian)化(hua)(hua)(hua)(hua)學工作站在(zai)電(dian)(dian)池檢測(ce)中占有重要(yao)地(di)位，它(ta)將恒電(dian)(dian)位儀(yi)、恒電(dian)(dian)流(liu)儀(yi)和電(dian)(dian)化(hua)(hua)(hua)(hua)學交(jiao)流(liu)阻抗分析儀(yi)有機地(di)結(jie)合，既可以(yi)(yi)做(zuo)三種基(ji)本功能的(de)(de)常規(gui)試(shi)驗(yan)(yan)，也可以(yi)(yi)做(zuo)基(ji)于這三種基(ji)本功能的(de)(de)程(cheng)式化(hua)(hua)(hua)(hua)試(shi)驗(yan)(yan)。在(zai)試(shi)驗(yan)(yan)中，既能檢測(ce)電(dian)(dian)池電(dian)(dian)壓、電(dian)(dian)流(liu)、容量等基(ji)本參數(shu)，又能檢測(ce)體(ti)現電(dian)(dian)池反應(ying)機理的(de)(de)交(jiao)流(liu)阻抗參數(shu)，從(cong)而完成對多(duo)種狀態(tai)下(xia)電(dian)(dian)池參數(shu)的(de)(de)跟蹤和分析。電(dian)(dian)極(ji)是與電(dian)(dian)解質溶液或電(dian)(dian)解質接觸的(de)(de)電(dian)(dian)子導體(ti)或半(ban)導體(ti)，為多(duo)相體(ti)系。電(dian)(dian)化(hua)(hua)(hua)(hua)學體(ti)系借助于電(dian)(dian)極(ji)實現電(dian)(dian)能的(de)(de)輸入或輸出，電(dian)(dian)...

多(duo)(duo)通(tong)(tong)道(dao)電(dian)(dian)(dian)(dian)(dian)化學(xue)工(gong)作站(zhan)(zhan)廣泛(fan)應用于電(dian)(dian)(dian)(dian)(dian)池、燃料電(dian)(dian)(dian)(dian)(dian)池、超級電(dian)(dian)(dian)(dian)(dian)容器、材料科學(xue)、腐(fu)蝕、基礎(chu)電(dian)(dian)(dian)(dian)(dian)化學(xue)、傳感器、電(dian)(dian)(dian)(dian)(dian)沉積、電(dian)(dian)(dian)(dian)(dian)分(fen)析(xi)等領域。一(yi)、多(duo)(duo)通(tong)(tong)道(dao)電(dian)(dian)(dian)(dian)(dian)化學(xue)工(gong)作站(zhan)(zhan)的主要性能：支(zhi)持(chi)較多(duo)(duo)安(an)裝6個測試通(tong)(tong)道(dao)；±12V與±49V兩種槽(cao)壓可(ke)選(xuan)；±1A(較大可(ke)擴展(zhan)至(zhi)±20A)100pA，1pA較小(xiao)電(dian)(dian)(dian)(dian)(dian)流量程可(ke)選(xuan)，分(fen)辨率(lv)可(ke)達76aA分(fen)辨率(lv)；10uHz-7MHz電(dian)(dian)(dian)(dian)(dian)化學(xue)阻抗測試；1us高(gao)速采樣附件；標配(pei)浮地功(gong)能；二、多(duo)(duo)通(tong)(tong)道(dao)電(dian)(dian)(dian)(dian)(dian)化學(xue)工(gong)作站(zhan)(zhan)的特(te)點(dian)：可(ke)安(an)裝6個阻抗通(tong)(tong)道(dao)，6個通(tong)(tong)...

電(dian)化(hua)學(xue)(xue)(xue)工作站的(de)(de)電(dian)極(ji)(ji)(ji)(ji)電(dian)位(wei)決(jue)定電(dian)化(hua)學(xue)(xue)(xue)反(fan)應(ying)(ying)(ying)(ying)(ying)能否發(fa)生及(ji)其反(fan)應(ying)(ying)(ying)(ying)(ying)速(su)(su)率，可(ke)(ke)(ke)借助電(dian)極(ji)(ji)(ji)(ji)電(dian)位(wei)調整以實(shi)現(xian)選擇性的(de)(de)氧化(hua)還(huan)原反(fan)應(ying)(ying)(ying)(ying)(ying)，或控制電(dian)化(hua)學(xue)(xue)(xue)反(fan)應(ying)(ying)(ying)(ying)(ying)速(su)(su)率。氧化(hua)還(huan)原反(fan)應(ying)(ying)(ying)(ying)(ying)限于(yu)電(dian)子的(de)(de)傳(chuan)遞，這(zhe)(zhe)類反(fan)應(ying)(ying)(ying)(ying)(ying)可(ke)(ke)(ke)直接依靠(kao)外電(dian)路中的(de)(de)電(dian)流通入電(dian)化(hua)學(xue)(xue)(xue)反(fan)應(ying)(ying)(ying)(ying)(ying)器來實(shi)現(xian)，不需要引進其他化(hua)學(xue)(xue)(xue)物(wu)(wu)質作氧化(hua)劑(ji)(ji)或還(huan)原劑(ji)(ji)，有利于(yu)反(fan)應(ying)(ying)(ying)(ying)(ying)物(wu)(wu)系(xi)的(de)(de)純凈，許多反(fan)應(ying)(ying)(ying)(ying)(ying)可(ke)(ke)(ke)因采(cai)用(yong)不同材(cai)料的(de)(de)電(dian)極(ji)(ji)(ji)(ji)而獲得不同的(de)(de)反(fan)應(ying)(ying)(ying)(ying)(ying)速(su)(su)率，這(zhe)(zhe)時(shi)(shi)電(dian)極(ji)(ji)(ji)(ji)起催化(hua)劑(ji)(ji)的(de)(de)作用(yong)。高的(de)(de)穩壓精(jing)(jing)度和(he)迅速(su)(su)、可(ke)(ke)(ke)靠(kao)的(de)(de)短(duan)路保護裝置。這(zhe)(zhe)是因為(wei)電(dian)解加(jia)工時(shi)(shi)電(dian)流很大(100～20000安)，電(dian)極(ji)(ji)(ji)(ji)間隙(xi)小，為(wei)了(le)保證(zheng)加(jia)工精(jing)(jing)度和(he)避免燒損短(duan)...

恒(heng)電(dian)位(wei)(wei)(wei)(wei)儀是金(jin)(jin)屬陰極(ji)保護(hu)(hu)(或稱外加電(dian)流保護(hu)(hu))系統中重(zhong)要的(de)(de)一個組成部分，它起到(dao)(dao)了對被(bei)保護(hu)(hu)體(ti)的(de)(de)保護(hu)(hu)電(dian)位(wei)(wei)(wei)(wei)進行自動檢(jian)測、控制(zhi)及傳送(song)等功能。它由(you)采樣、比較、放(fang)大、控制(zhi)、輸(shu)(shu)出、傳送(song)、報(bao)警等一些電(dian)路組成。由(you)于(yu)保護(hu)(hu)電(dian)位(wei)(wei)(wei)(wei)的(de)(de)范圍有他的(de)(de)特殊要求(qiu)，故(gu)電(dian)位(wei)(wei)(wei)(wei)過高(gao)時(shi)會(hui)(hui)產(chan)生析氫造成保護(hu)(hu)體(ti)外涂層損壞，加速腐(fu)蝕，嚴重(zhong)時(shi)會(hui)(hui)使(shi)金(jin)(jin)相發生變(bian)化，金(jin)(jin)屬發生斷裂。電(dian)位(wei)(wei)(wei)(wei)過低，將(jiang)無法達到(dao)(dao)保護(hu)(hu)效(xiao)果。一、恒(heng)電(dian)位(wei)(wei)(wei)(wei)儀的(de)(de)正(zheng)確維護(hu)(hu)方法：1.每天到(dao)(dao)陰極(ji)保護(hu)(hu)間觀察(cha)設(she)備運行狀況，隨(sui)時(shi)記錄(lu)恒(heng)電(dian)位(wei)(wei)(wei)(wei)儀的(de)(de)輸(shu)(shu)出電(dian)流、輸(shu)(shu)出電(dian)壓、給定電(dian)位(wei)(wei)(wei)(wei)以及測量電(dian)位(wei)(wei)(wei)(wei)。2.設(she)備運...

德(de)國進(jin)口石(shi)墨(mo)(mo)質軟，黑灰色;有油膩感，可(ke)污(wu)染紙張。硬(ying)度為(wei)1~2，沿垂(chui)直方向隨(sui)雜質的(de)(de)增加其硬(ying)度可(ke)增至3~5。比(bi)重為(wei)1.9~2.3。比(bi)表面積范圍集中在(zai)1-20m/g，在(zai)隔絕(jue)氧氣條件(jian)下(xia)，其熔點在(zai)3000℃以上(shang)，是(shi)較(jiao)耐溫(wen)的(de)(de)礦物之一(yi)(yi)。它(ta)能導電(dian)、導熱。一(yi)(yi)、德(de)國進(jin)口石(shi)墨(mo)(mo)的(de)(de)成(cheng)型方式：石(shi)墨(mo)(mo)在(zai)工(gong)業上(shang)運用較(jiao)廣，幾乎每個行業都會用到。工(gong)業上(shang)多用的(de)(de)是(shi)人(ren)造(zao)石(shi)墨(mo)(mo)，也就是(shi)特種石(shi)墨(mo)(mo)。按其成(cheng)型的(de)(de)方式可(ke)分(fen)為(wei)以下(xia)幾種。1.等靜壓(ya)石(shi)墨(mo)(mo)。也就是(shi)很(hen)多人(ren)叫的(de)(de)三高(gao)石(shi)墨(mo)(mo)，但是(shi)并不是(shi)三高(gao)就是(shi)等靜壓(ya)。2.模(mo)壓(ya)石(shi)墨(mo)(mo)3.擠壓(ya)石(shi)墨(mo)(mo)，多為(wei)電(dian)...