1、儀yi器qi一yi定ding要yao有you良liang好hao的de使shi用yong環huan境jing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ICPyideanquanyunxing,gongdianxianlubixuyaoyouzugoudaderongliang,fouzeyiqiyunxingshixianludedianyajiangguoda,yingxiangyiqishouming。zuoweiyitaijingmiceliangyiqi,tahaixuyaoyouxiangduiwendingde 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 bianyaqidepeidianpanshangdedao,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(liang)。
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 xiaoxindemochujitanhehuichen。cipanqudongqijidayinjiqingchuhuichenzhihou,yaozaijixiehuodongbujiandijiashaoxuyibiaoyou。dayinjidedayintouhaiyaochaixia,yongruanmaoshuashuasao,bingyongrongbumojing,fangzhizhenkongbeizhixiedusai,ranhouanzhaoshuomingshutiaozhengyidingdedayinyali。duiyuyiqichuchen,yibanyoudianzi,yixiuhuojisuanjidezhuanyerenyuanbangzhu,yiqishiyonghuoguanlirenyuanrubudongdianzizhishi,bulejieyiqijiegou,buyaoqingyiqudong,yimianfashengyiwai,chuchenyingshixiantingjibingguandiaogongdiandianyuanxiajinxing。
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 zhen,yingzaijigexiaoshineimeiyouxiajianghuoxiajianghenshao,fouzeqiluzhongyoulouqixianxiang,xuyaojianzhahepaichu。dier,youyuyaqizhongchangjiazayoushuifenheqitazazhi,guandaohejietouzhongyehuiyouyixiejixiesui 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dui進jin樣yang係xi統tong及ji炬ju管guan的de維wei護hu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) yuyunxingzhengchangshidedianliu,shunshidemaichongchongji,rongyizaochenggonglvguandengsiduansi,pengjiduanlujiguozaolaohuadeng,yincishiyongzhongxuyaobeijiazhuyi,yidankaijijiuyiqihecheng,bayaozuodeshizuowan,buyaozhongtuguantingji。
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