1、儀器一定要有良好的使用環境
denglizitiguangpuyuqitadaxingjingmiyiqiyiyang,xuyaozaiyidingdehuanjingxiayunxing,shiquzhexietiaojian,bujinyiqideshiyongxiaoguobuhao,erqiegaibianyiqidejiancexingneng,shenzhizaochengsunhuai,suoduanshouming。genjuguangxueyiqidetedian,duihuanjingwenduheshiduyouyidingyaoqiu。 如果溫度變化太大,光學元件受溫度變化的影響就會產生譜線漂移,造成測定數據不穩定,一般室溫要求維持在70~75攝氏度間的一個固定溫度,溫度變化應小於±1sheshidu。erhuanjingshiduguoda,guangxueyuanjian,tebieshiguangzharongyishouchaosunhuaihuoxingnengjiangdi。dianzixitong,youqishiyinshuadianlubanjigaoyadianyuanshangdeyuanjianrongyishouchaoshaohuai。shiduduigaopinfa shengqideyingxiangyeshifenzhongyao,shiduguoda,qingzedenglizitiburongyidianran,zhongzegaoyadianyuanjigaoyadianlufangdianjihuiyuanjian,rugonglvguangezhitaocidianrongjichuan,shuchudianluzukangpipei、網絡中的可變電容放電等,以至損壞高頻發生器。一般室內濕度應小於百分之70,最好控製在百分之45~60zhijian,yingyoukongqijinghuazhuangzhi。guoquyouyujijianshigong,womendehuanjingtiaojianhencha,shenzhiyiqishiduocibeishuiyan,shouchaojishiwenbianhuaguoda,yiqibushidingweikunnanjiushijingchangfashengguzhang。bandaoxindeyiqishihoutiaojiangaishanle,yiqiyunxingjiuzhengchangduole。2、儀器的供電線路要符合儀器的要求
為了保證ICP儀yi的de安an全quan運yun行xing,供gong電dian線xian路lu必bi須xu要yao有you足zu夠gou大da的de容rong量liang,否fou則ze儀yi器qi運yun行xing時shi線xian路lu的de電dian壓ya降jiang過guo大da,影ying響xiang儀yi器qi壽shou命ming。作zuo為wei一yi台tai精jing密mi測ce量liang儀yi器qi,它ta還hai需xu要yao有you相xiang對dui穩wen定ding的de電dian源yuan,供gong電dian電dian壓ya的de變bian化hua一yi般ban不bu超chao過guo百bai分fen之zhi5,ruchaoguozhegefanwei,xuyaoshiyongzidongtiaoyaqihuocibaohewenyaqi,bunengshiyongdianziwenyaqi,youyudianziwenyaqizaidianyagaoshichanshengxuebo,zaochengdianmaichong,yingxiangdianzijisuanji、微(wei)處(chu)理(li)器(qi)及(ji)相(xiang)敏(min)放(fang)大(da)器(qi)的(de)工(gong)作(zuo),引(yin)起(qi)誤(wu)動(dong)作(zuo)。連(lian)續(xu)正(zheng)弦(xian)波(bo)電(dian)源(yuan)才(cai)能(neng)保(bao)證(zheng)這(zhe)些(xie)電(dian)子(zi)電(dian)路(lu)的(de)正(zheng)常(chang)工(gong)作(zuo),儀(yi)器(qi)供(gong)電(dian)線(xian)路(lu)最(zui)好(hao)單(dan)獨(du)從(cong)供(gong)電(dian)變(bian)壓(ya)器(qi)的(de)配(pei)電(dian)盤(pan)上(shang)得(de)到(dao),盡(jin)量(liang)不(bu)與(yu)大(da)電(dian)機(ji),大(da)的(de)通(tong)風(feng)機(ji),空(kong)調(tiao)機(ji),馬(ma)弗(fu)爐(lu)等(deng)大(da)的(de)用(yong)電(dian)設(she)備(bei)共(gong)用(yong)一(yi)條(tiao)供(gong)電(dian)線(xian)路(lu),以(yi)免(mian)在(zai)這(zhe)些(xie)用(yong)電(dian)設(she)備(bei)起(qi)動(dong)時(shi),供(gong)電(dian)線(xian)路(lu)的(de)電(dian)壓(ya)大(da)幅(fu)度(du)的(de)波(bo)動(dong),造(zao)成(cheng)儀(yi)器(qi)工(gong)作(zuo)不(bu)穩(wen)定(ding)。允(yun)許(xu)電(dian)流(liu)大(da)於(yu)30安培的儀器要單獨接地。一般光譜儀地線電阻要小於5歐姆,計算機地線電阻要小於0.25歐姆(ASTM)標準,以防相互幹擾。
在儀yi器qi的de使shi用yong中zhong,應ying經jing常chang注zhu意yi電dian源yuan的de變bian化hua,不bu能neng長chang期qi在zai過guo壓ya或huo欠qian壓ya下xia工gong作zuo,根gen據ju資zi料liao介jie紹shao,當dang儀yi器qi在zai過guo壓ya下xia工gong作zuo會hui造zao成cheng高gao頗po發fa生sheng器qi功gong率lv大da管guan燈deng絲si過guo度du的de蒸zheng發fa和he老lao化hua,電dian子管的壽命將會大大的縮短(是正常壽命的五分之一~六分之一)。如果在欠壓下工作,電子管燈絲溫度過低,電子發射不好,也容易造成電子發射材料過早老化,同樣也縮短電子管的壽命;儀(yi)器(qi)運(yun)行(xing)中(zhong)供(gong)電(dian)電(dian)壓(ya)的(de)較(jiao)大(da)波(bo)動(dong)同(tong)樣(yang)也(ye)會(hui)造(zao)成(cheng)高(gao)頻(pin)發(fa)生(sheng)器(qi)輸(shu)出(chu)功(gong)率(lv)的(de)不(bu)穩(wen)定(ding),對(dui)測(ce)定(ding)結(jie)果(guo)的(de)好(hao)壞(huai)影(ying)響(xiang)極(ji)大(da),因(yin)此(ci),應(ying)當(dang)注(zhu)意(yi)供(gong)電(dian)電(dian)源(yuan)的(de)質(zhi)量。3、防塵
國內一般實驗室都不具備防塵、過濾塵埃的設施,當實驗室內需要采用排風機,排除儀器的熱量及工作時產生的有毒氣體時,實驗室shi與yu外wai部bu就jiu形xing成cheng壓ya力li差cha,實shi驗yan室shi產chan生sheng負fu壓ya,室shi外wai含han有you大da量liang灰hui塵chen的de空kong氣qi從cong門men窗chuang的de縫feng隙xi中zhong流liu入ru室shi內nei,大da量liang積ji聚ju在zai儀yi器qi的de各ge個ge部bu位wei上shang,容rong易yi造zao成cheng高gao壓ya元yuan件jian或huo接jie頭tou打da火huo,電dian路lu 板及接線、插座等短路、漏電等各種各樣的故障,因此,需要經常進行除塵。特別是計算機、電子控製電路、高頻發生器、顯示器、打印機、磁盤驅動器等,定期拆卸或打開,用小毛刷清掃,並同時使用吸塵器將各個部分的積塵吸除。對光電倍增管負高壓電源線、及計算機顯示器的高壓線及接頭,還要用紗布沾上少許無水酒精小(xiao)心(xin)的(de)抹(mo)除(chu)積(ji)炭(tan)和(he)灰(hui)塵(chen)。磁(ci)盤(pan)驅(qu)動(dong)器(qi)及(ji)打(da)印(yin)機(ji)清(qing)出(chu)灰(hui)塵(chen)之(zhi)後(hou),要(yao)在(zai)機(ji)械(xie)活(huo)動(dong)部(bu)件(jian)滴(di)加(jia)少(shao)許(xu)儀(yi)表(biao)油(you)。打(da)印(yin)機(ji)的(de)打(da)印(yin)頭(tou)還(hai)要(yao)拆(chai)下(xia),用(yong)軟(ruan)毛(mao)刷(shua)刷(shua)掃(sao),並(bing)用(yong)絨(rong)布(bu)抹(mo)淨(jing),防(fang)止(zhi)針(zhen)kongbeizhixiedusai,ranhouanzhaoshuomingshutiaozhengyidingdedayinyali。duiyuyiqichuchen,yibanyoudianzi,yixiuhuojisuanjidezhuanyerenyuanbangzhu,yiqishiyonghuoguanlirenyuanrubudongdianzizhishi,bulejieyi器結構,不要輕易去動,以免發生意外,除塵應事先停機並關掉供電電源下進行。4、對氣體控製係統的維護保養
ICP的氣體控製係統是否穩定 正常地運行,直接影響到儀器測定數據的好壞,如果氣路中有水珠、機械雜物雜屑等都會造成氣流不穩定,因此,對氣體控製係統要經常進行檢查和維護。首先要做 氣qi體ti試shi驗yan,打da開kai氣qi體ti控kong製zhi係xi統tong的de電dian源yuan開kai關guan,使shi電dian磁ci閥fa處chu於yu工gong作zuo狀zhuang態tai,然ran後hou開kai啟qi氣qi瓶ping及ji減jian壓ya閥fa,使shi氣qi體ti壓ya力li指zhi示shi在zai額e定ding值zhi上shang,然ran後hou關guan閉bi氣qi瓶ping,觀guan察cha減jian壓ya閥fa上shang的de壓ya力li表biao指zhi 針(zhen),應(ying)在(zai)幾(ji)個(ge)小(xiao)時(shi)內(nei)沒(mei)有(you)下(xia)降(jiang)或(huo)下(xia)降(jiang)很(hen)少(shao),否(fou)則(ze)氣(qi)路(lu)中(zhong)有(you)漏(lou)氣(qi)現(xian)象(xiang),需(xu)要(yao)檢(jian)查(zha)和(he)排(pai)除(chu)。第(di)二(er),由(you)於(yu)氬(ya)氣(qi)中(zhong)常(chang)夾(jia)雜(za)有(you)水(shui)分(fen)和(he)其(qi)它(ta)雜(za)質(zhi),管(guan)道(dao)和(he)接(jie)頭(tou)中(zhong)也(ye)會(hui)有(you)一(yi)些(xie)機(ji)械(xie)碎(sui) 屑xie脫tuo落luo,造zao成cheng氣qi路lu不bu暢chang通tong。因yin此ci,需xu要yao定ding期qi進jin行xing清qing理li,拔ba下xia某mou些xie區qu段duan管guan道dao,然ran後hou打da開kai氣qi瓶ping,短duan促cu地di放fang一yi段duan時shi間jian的de氣qi體ti,將jiang管guan道dao中zhong的de水shui珠zhu,塵chen粒li等deng吹chui出chu。在zai安an裝zhuang氣qi體ti管guan 道,特別是將載氣管路接在霧化器上時,要注意不要讓管子彎曲太厲害,否則載氣流量不穩而造成脈動,影響測定。5、對進樣係統及炬管的維護
霧(wu)化(hua)器(qi)是(shi)進(jin)樣(yang)係(xi)統(tong)中(zhong)最(zui)精(jing)密(mi),最(zui)關(guan)鍵(jian)的(de)部(bu)份(fen),需(xu)要(yao)很(hen)好(hao)的(de)維(wei)護(hu)和(he)使(shi)用(yong)。要(yao)定(ding)期(qi)的(de)清(qing)理(li),特(te)別(bie)是(shi)測(ce)定(ding)高(gao)鹽(yan)溶(rong)液(ye)之(zhi)後(hou),霧(wu)化(hua)器(qi)的(de)頂(ding)部(bu),炬(ju)管(guan)噴(pen)嘴(zui)會(hui)積(ji)有(you)鹽(yan)份(fen),造(zao)成(cheng)氣(qi)溶(rong)膠(jiao)通(tong)道(dao)不(bu)暢(chang),常(chang)常(chang)反(fan)映(ying)出(chu)來(lai)的(de)是(shi)測(ce)定(ding)強(qiang)度(du)下(xia)降(jiang),儀(yi)器(qi)反(fan)射(she)功(gong)率(lv)升(sheng)高(gao)等(deng)。炬(ju)管(guan)上(shang)積(ji)塵(chen)或(huo)積(ji)炭(tan)都(dou)會(hui)影(ying)響(xiang)點(dian)燃(ran)等(deng)離(li)子(zi)體(ti)焰(yan)炬(ju)和(he)保(bao)持(chi)穩(wen)定(ding),也(ye)影(ying)響(xiang)反(fan)射(she)功(gong)率(lv),因(yin)此(ci),要(yao)定(ding)期(qi)用(yong)酸(suan)洗(xi),水(shui)洗(xi),最(zui)後(hou),用(yong)無(wu)水(shui)乙(yi)醇(chun)洗(xi)並(bing)吹(chui)幹(gan),經(jing)常(chang)保(bao)持(chi)進(jin)樣(yang)係(xi)統(tong)及(ji)炬(ju)管(guan)的(de)清(qing)潔(jie)。6、使用中盡量減少開停機的次數
開 機(ji)測(ce)定(ding)前(qian),必(bi)須(xu)做(zuo)好(hao)安(an)排(pai),事(shi)先(xian)標(biao)好(hao)各(ge)項(xiang)準(zhun)備(bei)工(gong)作(zuo),切(qie)忌(ji)在(zai)同(tong)一(yi)段(duan)時(shi)間(jian)裏(li)開(kai)開(kai)停(ting)停(ting),儀(yi)器(qi)頻(pin)繁(fan)開(kai)啟(qi)容(rong)易(yi)造(zao)成(cheng)損(sun)壞(huai),這(zhe)是(shi)因(yin)為(wei)儀(yi)器(qi)在(zai)每(mei)次(ci)開(kai)啟(qi)的(de)時(shi)候(hou),瞬(shun)時(shi)電(dian)流(liu)大(da)大(da)高(gao) 於yu運yun行xing正zheng常chang時shi的de電dian流liu,瞬shun時shi的de脈mai衝chong衝chong擊ji,容rong易yi造zao成cheng功gong率lv管guan燈deng絲si斷duan絲si,碰peng極ji短duan路lu及ji過guo早zao老lao化hua等deng,因yin此ci使shi用yong中zhong需xu要yao倍bei加jia注zhu意yi,一yi旦dan開kai機ji就jiu一yi氣qi嗬he成cheng,把ba要yao做zuo的de事shi做zuo完wan,不bu要中途關停機。
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