1、儀器一定要有良好的使用環境
等(deng)離(li)子(zi)體(ti)光(guang)譜(pu)與(yu)其(qi)它(ta)大(da)型(xing)精(jing)密(mi)儀(yi)器(qi)一(yi)樣(yang),需(xu)要(yao)在(zai)一(yi)定(ding)的(de)環(huan)境(jing)下(xia)運(yun)行(xing),失(shi)去(qu)這(zhe)些(xie)條(tiao)件(jian),不(bu)僅(jin)儀(yi)器(qi)的(de)使(shi)用(yong)效(xiao)果(guo)不(bu)好(hao),而(er)且(qie)改(gai)變(bian)儀(yi)器(qi)的(de)檢(jian)測(ce)性(xing)能(neng),甚(shen)至(zhi)造(zao)成(cheng)損(sun)壞(huai),縮(suo)短(duan)壽(shou)命(ming)。根(gen)據(ju)光(guang)學(xue)儀(yi)器(qi)的(de)特(te)點(dian),對(dui)環(huan)境(jing)溫(wen)度(du)和(he)濕(shi)度(du)有(you)一(yi)定(ding)要(yao)求(qiu)。 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±1攝she氏shi度du。而er環huan境jing濕shi度du過guo大da,光guang學xue元yuan件jian,特te別bie是shi光guang柵zha容rong易yi受shou潮chao損sun壞huai或huo性xing能neng降jiang低di。電dian子zi係xi統tong,尤you其qi是shi印yin刷shua電dian路lu板ban及ji高gao壓ya電dian源yuan上shang的de元yuan件jian容rong易yi受shou潮chao燒shao壞huai。濕shi度du對dui高gao頻pin發fa 生(sheng)器(qi)的(de)影(ying)響(xiang)也(ye)十(shi)分(fen)重(zhong)要(yao),濕(shi)度(du)過(guo)大(da),輕(qing)則(ze)等(deng)離(li)子(zi)體(ti)不(bu)容(rong)易(yi)點(dian)燃(ran),重(zhong)則(ze)高(gao)壓(ya)電(dian)源(yuan)及(ji)高(gao)壓(ya)電(dian)路(lu)放(fang)電(dian)擊(ji)毀(hui)元(yuan)件(jian),如(ru)功(gong)率(lv)管(guan)隔(ge)直(zhi)陶(tao)瓷(ci)電(dian)容(rong)擊(ji)穿(chuan),輸(shu)出(chu)電(dian)路(lu)阻(zu)抗(kang)匹(pi)配(pei)、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yu30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yiqideshiyongzhong,yingjingchangzhuyidianyuandebianhua,bunengchangqizaiguoyahuoqianyaxiagongzuo,genjuziliaojieshao,dangyiqizaiguoyaxiagongzuohuizaochenggaopofashengqigonglvdaguandengsiguodudezhengfahelaohua,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shiyuwaibujiuxingchengyalicha,shiyanshichanshengfuya,shiwaihanyoudalianghuichendekongqicongmenchuangdefengxizhongliurushinei,daliangjijuzaiyiqidegegebuweishang,rongyizaochenggaoyayuanjianhuojietoudahuo,dianlu 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 xietuoluo,zaochengqilubuchangtong。yinci,xuyaodingqijinxingqingli,baxiamouxiequduanguandao,ranhoudakaiqiping,duancudifangyiduanshijiandeqiti,jiangguandaozhongdeshuizhu,chenlidengchuichu。zaianzhuangqitiguan 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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