yibandeyiqishuomingshushangmianyoudechangguibuzhoujiubuduoshuole,dajiazhidao,yiqizhuangtaizhengchangshiqudezhunqueshujudexianjuetiaojian,danshiyoushiyiqizijianyexushiyijingtongguole,danshiyouxieyiqibufenhaishixuyaojinxingjianzha:
1、光譜儀部分:看燈的負高壓是否處於正常範圍(一般是450~650v),如(ru)果(guo)突(tu)然(ran)發(fa)現(xian)負(fu)高(gao)壓(ya)特(te)高(gao),估(gu)計(ji)你(ni)就(jiu)要(yao)檢(jian)查(zha)光(guang)路(lu)了(le),看(kan)是(shi)否(fou)有(you)異(yi)物(wu)擋(dang)住(zhu)了(le)光(guang)路(lu),鏡(jing)片(pian)是(shi)否(fou)有(you)起(qi)霧(wu)結(jie)冰(bing)。此(ci)時(shi),就(jiu)需(xu)要(yao)用(yong)擦(ca)鏡(jing)紙(zhi)或(huo)者(zhe)吹(chui)風(feng)機(ji)吹(chui)幹(gan),同(tong)時(shi)檢(jian)查(zha)環(huan)境(jing)溫(wen)濕(shi)度(du)是(shi)否(fou)達(da)標(biao)。
2、自動進樣器:首(shou)先(xian),觀(guan)察(cha)自(zi)動(dong)進(jin)樣(yang)器(qi)管(guan)路(lu)是(shi)否(fou)出(chu)現(xian)異(yi)常(chang),有(you)時(shi)一(yi)個(ge)晚(wan)上(shang)或(huo)者(zhe)是(shi)更(geng)久(jiu)時(shi)間(jian)不(bu)用(yong),溶(rong)液(ye)會(hui)在(zai)自(zi)動(dong)進(jin)樣(yang)器(qi)的(de)毛(mao)細(xi)管(guan)中(zhong)蒸(zheng)發(fa)結(jie)晶(jing),導(dao)致(zhi)自(zi)動(dong)進(jin)樣(yang)器(qi)堵(du)塞(sai),或(huo)者(zhe)是(shi)管(guan)路(lu)不(bu)流(liu)暢(chang)。此(ci)時(shi),在(zai)清(qing)洗(xi)過(guo)程(cheng)中(zhong),儀(yi)器(qi)毛(mao)細(xi)管(guan)出(chu)水(shui)滴(di)的(de)速(su)度(du)會(hui)很(hen)慢(man)。或(huo)者(zhe)是(shi)吸(xi)水(shui)也(ye)會(hui)有(you)延(yan)遲(chi)現(xian)象(xiang)。看(kan)是(shi)否(fou)能(neng)夠(gou)準(zhun)確(que)地(di)將(jiang)溶(rong)液(ye)注(zhu)入(ru)到(dao)石(shi)墨(mo)管(guan)中(zhong),同(tong)時(shi)也(ye)要(yao)注(zhu)意(yi)檢(jian)查(zha)清(qing)洗(xi)進(jin)樣(yang)毛(mao)細(xi)管(guan),是(shi)否(fou)掛(gua)水(shui)珠(zhu),如(ru)果(guo)有(you),可(ke)以(yi)用(yong)酒(jiu)精(jing)或(huo)者(zhe)是(shi)稀(xi)硝(xiao)酸(suan)擦(ca)洗(xi)。接(jie)著(zhe),檢(jian)查(zha)冷(leng)卻(que)循(xun)環(huan)水(shui),看(kan)壓(ya)力(li)是(shi)否(fou)在(zai)許(xu)可(ke)範(fan)圍(wei)之(zhi)內(nei)。
儀器維護
正確的儀器使用方法和及時的儀器維護是延長儀器壽命、保證儀器正常運轉的有效途徑之一。
石墨爐的維護在石墨爐膛部分,因為裏麵是加熱高溫-低di溫wen冷leng卻que一yi個ge循xun環huan過guo程cheng。同tong時shi,裏li麵mian還hai有you還hai原yuan性xing強qiang的de石shi墨mo產chan生sheng積ji碳tan,此ci外wai還hai有you不bu同tong的de待dai測ce物wu質zhi灰hui化hua時shi產chan生sheng的de煙yan霧wu,這zhe些xie都dou會hui在zai爐lu膛tang或huo者zhe是shi爐lu膛tang光guang路lu上shang的de透tou鏡jing附fu近jin凝ning結jie。如ru果guo長chang時shi間jian不bu清qing理li,爐lu膛tang底di部bu的de光guang控kong溫wen鏡jing可ke能neng會hui因yin為wei積ji碳tan的de幹gan擾rao,失shi去qu控kong溫wen能neng力li,導dao致zhi石shi墨mo管guan燒shao斷duan。
自動進樣器也是維護的重點對象,石墨爐報出數據的精密度低,跟進樣量少(10―30ul)有(you)很(hen)大(da)關(guan)係(xi)。其(qi)中(zhong)的(de)毛(mao)細(xi)管(guan)道(dao)長(chang)年(nian)用(yong)蒸(zheng)餾(liu)水(shui)作(zuo)為(wei)清(qing)洗(xi)液(ye),難(nan)免(mian)會(hui)有(you)空(kong)氣(qi)灰(hui)塵(chen)進(jin)入(ru)並(bing)在(zai)管(guan)路(lu)拐(guai)彎(wan)處(chu)集(ji)結(jie)。日(ri)積(ji)月(yue)累(lei),如(ru)果(guo)有(you)一(yi)天(tian)發(fa)現(xian)自(zi)動(dong)進(jin)樣(yang)器(qi)吸(xi)樣(yang)或(huo)清(qing)洗(xi)時(shi)出(chu)現(xian)了(le)壓(ya)力(li)延(yan)遲(chi),可(ke)能(neng)就(jiu)是(shi)此(ci)原(yuan)因(yin)了(le)。
同tong時shi,如ru果guo長chang久jiu不bu用yong,儀yi器qi可ke能neng會hui長chang出chu青qing苔tai。定ding時shi用yong稀xi硝xiao酸suan清qing洗xi是shi最zui好hao的de選xuan擇ze,但dan是shi清qing洗xi完wan畢bi記ji得de在zai用yong蒸zheng餾liu水shui清qing洗xi管guan路lu,因yin為wei裏li麵mian的de注zhu射she器qi活huo塞sai式shi金jin屬shu質zhi地di的de。
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