全(quan)自(zi)動電位(wei)滴(di)定(ding)儀(yi)是通(tong)過(guo)哪(na)些部(bu)件(jian)實(shi)現滴(di)定(ding)自(zi)動化的?
全(quan)自(zi)動電位(wei)滴(di)定(ding)儀(yi)是壹種自(zi)動化程度高(gao)、測量準確(que)、操作(zuo)簡便的化(hua)學(xue)分析(xi)儀器,適(shi)用(yong)於各(ge)種滴(di)定(ding)分析(xi)方法。
全(quan)自(zi)動電位(wei)滴(di)定(ding)儀(yi)的(de)組(zu)成(cheng)包括主(zhu)機(ji)、滴定(ding)系統、電位(wei)計(ji)、控制(zhi)系(xi)統(tong)等(deng)部(bu)分。這(zhe)些部(bu)分協(xie)同工(gong)作(zuo),實(shi)現了(le)滴(di)定的(de)自(zi)動化控制(zhi)和(he)測量,提高了(le)測量的(de)準確(que)性和(he)可靠性(xing)。
1、主(zhu)機(ji):主(zhu)機(ji)是全(quan)自(zi)動電位(wei)滴(di)定(ding)儀(yi)的(de)核(he)心(xin)部(bu)分,負(fu)責控(kong)制(zhi)滴(di)定(ding)過(guo)程(cheng)和(he)數據(ju)采集。主(zhu)機(ji)通(tong)常由(you)微(wei)處(chu)理(li)器、液(ye)晶(jing)顯(xian)示(shi)屏(ping)、按(an)鍵和(he)接口(kou)等(deng)部(bu)分組(zu)成(cheng)。微處理(li)器負(fu)責(ze)控制(zhi)滴(di)定(ding)過(guo)程(cheng),包(bao)括(kuo)控(kong)制(zhi)滴(di)定(ding)液的加(jia)入、記(ji)錄(lu)滴(di)定(ding)體(ti)積(ji)、計(ji)算物質(zhi)濃(nong)度(du)等(deng)。液晶(jing)顯(xian)示(shi)屏(ping)用(yong)於顯示滴(di)定過(guo)程(cheng)中(zhong)的(de)各(ge)項參(can)數(shu)和(he)結果(guo)。按(an)鍵用(yong)於設(she)置(zhi)滴(di)定參數和(he)操作(zuo)主(zhu)機(ji)。接口(kou)用(yong)於連接外部(bu)設(she)備,如打(da)印機(ji)或(huo)計(ji)算機(ji),以(yi)便進行(xing)數據(ju)輸(shu)出(chu)和(he)保存(cun)。
2、滴定(ding)系(xi)統(tong):滴定系(xi)統是全(quan)自(zi)動電位(wei)滴(di)定(ding)儀(yi)的(de)重要(yao)部(bu)分之(zhi)壹,負責(ze)自(zi)動控制(zhi)滴(di)定(ding)劑的加(jia)入和(he)滴定(ding)速(su)度(du)。滴定系統(tong)通(tong)常由(you)註(zhu)射(she)泵(beng)、管(guan)道、滴定嘴(zui)等(deng)部(bu)分組(zu)成(cheng)。註(zhu)射(she)泵(beng)負(fu)責將滴定劑(ji)按(an)預設(she)的滴(di)定速度註(zhu)入到(dao)滴定(ding)池(chi)中。管(guan)道(dao)用(yong)於連接註(zhu)射(she)泵(beng)和(he)滴定(ding)嘴(zui),使(shi)滴(di)定(ding)劑(ji)能(neng)夠順利註(zhu)入到(dao)滴定(ding)池(chi)中。滴(di)定(ding)嘴(zui)是滴(di)定(ding)的出(chu)口,負(fu)責(ze)將(jiang)滴定劑(ji)加入到(dao)滴定(ding)池(chi)中。
3、電(dian)位(wei)計(ji):電位(wei)計(ji)是全(quan)自(zi)動電位(wei)滴(di)定(ding)儀(yi)的(de)重要(yao)組(zu)成(cheng)部(bu)分之(zhi)壹,負責(ze)測量和(he)記錄(lu)電(dian)極電位(wei)的(de)變(bian)化(hua)。電(dian)位(wei)計(ji)通(tong)常由(you)輸(shu)入放(fang)大器、指(zhi)示電(dian)極、參比(bi)電極等(deng)部(bu)分組(zu)成(cheng)。指(zhi)示電(dian)極用(yong)於測量溶液(ye)的(de)電位(wei),參(can)比(bi)電極則(ze)提供壹個(ge)穩定(ding)的參(can)考電位(wei)。指(zhi)示電(dian)極的電(dian)位(wei)變(bian)化(hua)會(hui)被(bei)輸(shu)入放(fang)大器放(fang)大,並通(tong)過(guo)電(dian)計(ji)的記(ji)錄(lu)系(xi)統(tong)記(ji)錄(lu)下(xia)來。通(tong)過(guo)測量電(dian)極電位(wei)的(de)變(bian)化(hua),可以(yi)確(que)定滴定(ding)終(zhong)點和(he)計(ji)算被(bei)測物質(zhi)的(de)濃(nong)度(du)。
4、控(kong)制(zhi)系(xi)統(tong):控制(zhi)系(xi)統(tong)是全(quan)自(zi)動電位(wei)滴(di)定(ding)儀(yi)的(de)大腦,負責(ze)控制(zhi)儀(yi)器的(de)各(ge)個(ge)部(bu)分。它通(tong)常由(you)微(wei)處(chu)理(li)器、存(cun)儲器、輸(shu)入輸(shu)出(chu)接口(kou)等(deng)組(zu)成(cheng),能(neng)夠接(jie)收(shou)操(cao)作(zuo)指(zhi)令(ling),控制(zhi)滴(di)定(ding)過(guo)程(cheng),采集和(he)處理(li)數(shu)據(ju),並(bing)輸(shu)出(chu)結果(guo)。
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