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±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45~60之zhi間jian,應ying有you空kong氣qi淨jing化hua裝zhuang置zhi。過guo去qu由you於yu基ji建jian施shi工gong,我wo們men的de環huan境jing條tiao件jian很hen差cha,甚shen至zhi儀yi器qi室shi多duo次ci被bei水shui淹yan,受shou潮chao及ji室shi溫wen變bian化hua過guo大da,儀yi器qi不bu是shi定ding位wei困kun難nan就jiu是shi經jing常chang發fa生sheng故gu障zhang。搬ban到dao新xin的de儀yi器qi室shi後hou條tiao件jian改gai善shan了le,儀yi器qi運yun行xing就jiu正zheng常chang多duo了le。2、儀器的供電線路要符合儀器的要求
為了保證ICPyideanquanyunxing,gongdianxianlubixuyaoyouzugoudaderongliang,fouzeyiqiyunxingshixianludedianyajiangguoda,yingxiangyiqishouming。zuoweiyitaijingmiceliangyiqi,tahaixuyaoyouxiangduiwendingdedianyuan,gongdiandianyadebianhuayibanbuchaoguobaifenzhi5,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zhenkongbeizhixiedusai,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 jicedingqian,bixuzuohaoanpai,shixianbiaohaogexiangzhunbeigongzuo,qiejizaitongyiduanshijianlikaikaitingting,yiqipinfankaiqirongyizaochengsunhuai,zheshiyinweiyiqizaimeicikaiqideshihou,shunshidianliudadagao 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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