一(yi)般(ban)的(de)儀(yi)器(qi)說(shuo)明(ming)書(shu)上(shang)麵(mian)有(you)的(de)常(chang)規(gui)步(bu)驟(zhou)就(jiu)不(bu)多(duo)數(shu)了(le),大(da)家(jia)知(zhi)道(dao),儀(yi)器(qi)狀(zhuang)態(tai)正(zheng)常(chang)是(shi)取(qu)得(de)準(zhun)確(que)數(shu)據(ju)的(de)先(xian)決(jue)條(tiao)件(jian),但(dan)是(shi)有(you)時(shi)儀(yi)器(qi)自(zi)檢(jian)也(ye)許(xu)是(shi)已(yi)經(jing)通(tong)過(guo)了(le),但(dan)是(shi)有(you)些(xie)儀(yi)器(qi)部(bu)分(fen)還(hai)是(shi)需(xu)要(yao)大(da)家(jia)來(lai)檢(jian)查(zha):
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),ruguoturanfaxianfugaoyategao,gujinijiuyaojianzhaguanglule,kanshifouyouyiwudangzhuleguanglu,jingpianshifouyouqiwujiebing。cishi,jiuxuyaoyongcajingzhihuozhechuifengjichuigan,tongshijianzhahuanjingwenshidushifoudabiao。
2、自動進樣器:shouxian,guanchazidongjinyangqiguanlushifouchuxianyichang,youshiyigewanshanghuozheshigengjiushijianbuyong,rongyehuizaizidongjinyangqidemaoxiguanzhongzhengfajiejing,daozhizidongjinyangqidusai,huozheshiguanlubuliuchang。cishi,zaiqingxiguochengzhong,yiqimaoxiguanchushuididesuduhuihenman。huozheshixishuiyehuiyouyanchixianxiang。kanshifounenggouzhunquedijiangrongyezhurudaoshimoguanzhong,tongshiyeyaozhuyijianzhaqingxijinyangmaoxiguan,shifouguashuizhu,ruguoyou,keyiyongjiujinghuozheshixixiaosuancaxi。jiezhe,jianzhalengquexunhuanshui,kanyalishifouzaixukefanweizhinei。
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)。
tongshi,ruguochangjiubuyong,yiqikenenghuichangchuqingtai。dingshiyongxixiaosuanqingxishizuihaodexuanze,danshiqingxiwanbijidezaiyongzhengliushuiqingxiguanlu,yinweilimiandezhusheqihuosaishijinshuzhidide。
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