yongguoshimoluyuanzixishouguangpuyidepengyouduitadeweihujicanshushedingdouyinggaiyousuolejie,yaoxiangjiqidexingnengfahuidaozuiyou,shiyongdezhengqueyijidingqiweihuqidaofei常關鍵的作用。
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)進(jin)行(xing)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)有很大關係。qizhongdemaoxiguandaochangnianyongzhengliushuizuoweiqingxiye,nanmianhuiyoukongqihuichenjinrubingzaiguanluguaiwanchujijie。rijiyuelei,ruguoyouyitianfaxianzidongjinyangqixiyanghuoqingxishichuxianleyaliyanchi,kenengjiushiciyuanyinle。
同時,如果長久不用,儀器可能會長出青苔。定時用稀硝酸清洗是最好的選擇,但是清洗完畢記得在用蒸餾水清洗管路,因為裏麵的注射器活塞式金屬質地的。
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