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±1sheshidu。erhuanjingshiduguoda,guangxueyuanjian,tebieshiguangzharongyishouchaosunhuaihuoxingnengjiangdi。dianzixitong,youqishiyinshuadianlubanjigaoyadianyuanshangdeyuanjianrongyishouchaoshaohuai。shiduduigaopinfa 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(zhi)5,ruchaoguozhegefanwei,xuyaoshiyongzidongtiaoyaqihuocibaohewenyaqi,bunengshiyongdianziwenyaqi,youyudianziwenyaqizaidianyagaoshichanshengxuebo,zaochengdianmaichong,yingxiangdianzijisuanji、weichuliqijixiangminfangdaqidegongzuo,yinqiwudongzuo。lianxuzhengxianbodianyuancainengbaozhengzhexiedianzidianludezhengchanggongzuo,yiqigongdianxianluzuihaodanduconggongdianbianyaqidepeidianpanshangdedao,jinliangbuyudadianji,dadetongfengji,kongtiaoji,mafuludengdadeyongdianshebeigongyongyitiaogongdianxianlu,yimianzaizhexieyongdianshebeiqidongshi,gongdianxianludedianyadafududebodong,zaochengyiqigongzuobuwending。yunxudianliudayu30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孔(kong)被(bei)紙(zhi)屑(xie)堵(du)塞(sai),然(ran)後(hou)按(an)照(zhao)說(shuo)明(ming)書(shu)調(tiao)整(zheng)一(yi)定(ding)的(de)打(da)印(yin)壓(ya)力(li)。對(dui)於(yu)儀(yi)器(qi)除(chu)塵(chen),一(yi)般(ban)由(you)電(dian)子(zi),儀(yi)修(xiu)或(huo)計(ji)算(suan)機(ji)的(de)專(zhuan)業(ye)人(ren)員(yuan)幫(bang)助(zhu),儀(yi)器(qi)使(shi)用(yong)或(huo)管(guan)理(li)人(ren)員(yuan)如(ru)不(bu)懂(dong)電(dian)子(zi)知(zhi)識(shi),不(bu)了(le)解(jie)儀(yi)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 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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