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ru果guo溫wen度du變bian化hua太tai大da,光guang學xue元yuan件jian受shou溫wen度du變bian化hua的de影ying響xiang就jiu會hui產chan生sheng譜pu線xian漂piao移yi,造zao成cheng測ce定ding數shu據ju不bu穩wen定ding,一yi般ban室shi溫wen要yao求qiu維wei持chi在zai20~25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之間,應有空氣淨化裝置。過去由於基建施工,我們的環境 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 電源,供電電壓的變化一般不超過+百分之5,如超過這個範圍,需要使用自動調壓器或磁飽和穩壓器,不能使用電子穩壓器,由於電子穩壓器在電壓高時產生削 波,造成電脈衝,影響電子計算機、微處理器及相敏放大器的工作,引起誤動作。連續正弦波電源才能保證這些電子電路的正常工作,儀器供電線路最好單獨從供電 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。
zaiyiqideshiyongzhong,yingjingchangzhuyidianyuandebianhua,bunengchangqizaiguoyahuoqianyaxiagongzuo,genjuziliaojieshao,dangyiqizaiguoyaxiagongzuohuizaochenggaopofashengqigonglvdaguandengsiguodudezhengfahelaohua,dianziguandeshoumingjianghuidadadesuoduan(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(liang)。
3、防塵
國內一般實驗室都不具備防塵、過guo濾lv塵chen埃ai的de設she施shi,當dang實shi驗yan室shi內nei需xu要yao采cai用yong排pai風feng機ji,排pai除chu儀yi器qi的de熱re量liang及ji工gong作zuo時shi產chan生sheng的de有you毒du氣qi體ti時shi,實shi驗yan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ban及ji接jie線xian、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ji計ji算suan機ji顯xian示shi器qi的de高gao壓ya線xian及ji接jie頭tou,還hai要yao用yong紗sha布bu沾zhan上shang少shao許xu無wu水shui酒jiu精jing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qi結jie構gou,不bu要yao輕qing易yi去qu動dong,以yi免mian發fa生sheng意yi外wai,除chu塵chen應ying事shi先xian停ting機ji並bing關guan掉diao供gong電dian電dian源yuan下xia進jin行xing。
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
kaijicedingqian,bixuzuohaoanpai,shixianbiaohaogexiangzhunbeigongzuo,qiejizaitongyiduanshijianlikaikaitingting,yiqipinfankaiqirongyizaochengsunhuai,zheshiyinweiyiqizaimeicikaiqideshihou,shunshidianliudadagaoyuyunxingzhengchangshidedianliu,shunshidemaichongchongji,rongyizaochenggonglvguandengsiduansi,pengjiduanlujiguozaolaohuadeng,yincishiyongzhongxuyaobeijiazhuyi,yidankaijijiuyiqihecheng,bayaozuodeshizuowan,buyaozhongtuguantingji。
手機版






