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: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-diwenlengqueyigexunhuanguocheng。tongshi,limianhaiyouhaiyuanxingqiangdeshimochanshengjitan,ciwaihaiyoubutongdedaicewuzhihuihuashichanshengdeyanwu,zhexiedouhuizailutanghuozheshilutangguanglushangdetoujingfujinningjie。ruguochangshijianbuqingli,lutangdibudeguangkongwenjingkenenghuiyinweijitandeganrao,shiqukongwennengli,daozhishimoguanshaoduan。
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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