氣相色譜日常維護和良好使用習慣！
發布日期：2024-02-28
核心提示： 作為一名氣相工作者想讓氣相色譜儀器工作正常而且能保持好的檢測效果，日常的維護和良好的使用習慣可是必不可少的，今天就
作為
yimingqixianggongzuozhexiangrangqixiangsepuyiqigongzuozhengchangerqienengbaochihaodejiancexiaoguo，richangdeweihuhelianghaodeshiyongxiguankeshibibukeshaode，jintianjiugeidajiazongjiejidian，zuoweipaozhuanyinyu，jingongdajiarichangshiyongdecankao。
按儀器使用說明書的規程操作這(zhe)一(yi)點(dian)主(zhu)要(yao)是(shi)針(zhen)對(dui)新(xin)購(gou)置(zhi)和(he)安(an)裝(zhuang)的(de)儀(yi)器(qi)，不(bu)僅(jin)要(yao)清(qing)點(dian)零(ling)部(bu)件(jian)與(yu)備(bei)件(jian)是(shi)否(fou)齊(qi)全(quan)，更(geng)要(yao)檢(jian)查(zha)說(shuo)明(ming)書(shu)是(shi)否(fou)齊(qi)全(quan)，一(yi)定(ding)要(yao)妥(tuo)善(shan)保(bao)管(guan)這(zhe)些(xie)資(zi)料(liao)，以(yi)備(bei)日(ri)後(hou)查(zha)閱(yue)。在(zai)獨(du)立(li)操(cao)作(zuo)儀(yi)器(qi)前(qian)，一(yi)定(ding)要(yao)認(ren)真(zhen)閱(yue)讀(du)有(you)關(guan)使(shi)用(yong)說(shuo)明(ming)書(shu)，並(bing)且(qie)嚴(yan)格(ge)按(an)規(gui)程(cheng)操(cao)作(zuo)。這(zhe)是(shi)做(zuo)好(hao)儀(yi)器(qi)分(fen)析(xi)的(de)前(qian)提(ti)，而(er)且(qie)當(dang)儀(yi)器(qi)出(chu)現(xian)問(wen)題(ti)時(shi)也(ye)方(fang)便(bian)與(yu)廠(chang)商(shang)溝(gou)通(tong)。特(te)別(bie)是(shi)還(hai)在(zai)保(bao)修(xiu)期(qi)的(de)儀(yi)器(qi)，如(ru)果(guo)因(yin)為(wei)操(cao)作(zuo)不(bu)當(dang)產(chan)生(sheng)的(de)故(gu)障(zhang)或(huo)者(zhe)損(sun)壞(huai)，廠(chang)商(shang)可(ke)是(shi)不(bu)會(hui)免(mian)費(fei)維(wei)修(xiu)的(de)，有(you)時(shi)這(zhe)筆(bi)費(fei)用(yong)還(hai)是(shi)相(xiang)當(dang)客(ke)觀(guan)的(de)。準備一份色譜柱的測試標樣02
色se譜pu柱zhu性xing能neng是shi保bao證zheng分fen析xi結jie果guo的de關guan鍵jian。新xin購gou置zhi的de色se譜pu柱zhu，首shou先xian要yao用yong測ce試shi樣yang來lai評ping價jia其qi性xing能neng，如ru果guo采cai用yong色se譜pu柱zhu廠chang商shang提ti供gong的de測ce試shi條tiao件jian而er結jie果guo不bu合he格ge時shi，可ke以yi要yao求qiu退tui換huan貨huo，以yi免mian造zao成cheng後hou續xu實shi驗yan的de問wen題ti。更geng重zhong要yao的de是shi，之zhi後hou使shi用yong過guo程cheng中zhong色se譜pu柱zhu的de性xing能neng會hui發fa生sheng變bian化hua，當dang分fen析xi結jie果guo出chu現xian問wen題ti時shi，可ke以yi用yong測ce試shi樣yang測ce試shi色se譜pu柱zhu，並bing與yu之zhi前qian結jie果guo進jin行xing比bi對dui，這zhe樣yang有you助zhu於yu問wen題ti的de排pai查zha，以yi確que定ding問wen題ti是shi否fou是shi因yin為wei色se譜pu柱zhu造zao成cheng的de。每mei次ci測ce試shi結jie果guo都dou應ying該gai保bao存cun起qi來lai作zuo為wei色se譜pu柱zhu的de壽shou命ming記ji錄lu。另ling外wai，進jin行xing一yi段duan時shi間jian的de試shi驗yan之zhi後hou，應ying該gai對dui色se譜pu柱zhu進jin行xing一yi次ci高gao溫wen老lao化hua，以yi除chu去qu柱zhu內nei可ke能neng殘can留liu的de汙wu染ran物wu，然ran後hou用yong測ce試shi樣yang再zai次ci評ping價jia色se譜pu柱zhu。及時更換毛細管色譜柱密封墊shimomifengdianlouqishiqixiangsepuchangjiandeguzhangzhiyi。yidingbunengzaibutongdesepuzhushangzhongfushiyongtongyimifengdian，jishitongyigenzhuzixiexiazhongxinanzhuangshi，zuihaoyeyaogenghuanxindemifengdian，zheyangnengbaozhenggenggaodegongzuoxiaolv。ruguozhuangshangsepuzhuhoufaxianlouqierzaigenghuanmifengdianzehuilangfeigengduodeshijian。jishijiudemifengdiankeyishiyong，yexuyaobixindeduoningjinxie，rongyiningduansepuzhu。使用純度符合要求的氣體載zai氣qi一yi定ding要yao是shi高gao純chun級ji的de，以yi避bi免mian幹gan擾rao分fen析xi和he汙wu染ran色se譜pu柱zhu或huo檢jian測ce器qi。畢bi竟jing色se譜pu柱zhu的de價jia格ge是shi高gao純chun氮dan氣qi或huo者zhe氦hai氣qi的de十shi倍bei以yi上shang，如ru果guo因yin為wei省sheng錢qian而er用yong普pu通tong氣qi體ti未wei免mian有you些xie得de不bu償chang失shi了le。檢jian測ce器qi的de輔fu助zhu氣qi體ti最zui好hao也ye用yong高gao純chun級ji的de。雖sui然ran在zai靈ling敏min度du要yao求qiu不bu高gao的de時shi候hou可ke以yi用yong普pu通tong氣qi體ti，但dan代dai價jia很hen有you可ke能neng是shi造zao成cheng檢jian測ce器qi汙wu染ran。定期更換氣體淨化器填料05變色矽膠可以根據顏色來判斷其性能，但分子篩等吸附有機物的淨化器就不好通過觀察來判斷了。所以最好是定期更換，基本以3個月為周期。如果矽膠與分子篩裝在一起，更換矽膠時也應該更換分子篩。使用性能可靠的壓力調節閥裝(zhuang)在(zai)氣(qi)體(ti)鋼(gang)瓶(ping)上(shang)的(de)減(jian)壓(ya)閥(fa)要(yao)保(bao)證(zheng)質(zhi)量(liang)。有(you)些(xie)新(xin)閥(fa)就(jiu)會(hui)存(cun)在(zai)漏(lou)氣(qi)的(de)情(qing)況(kuang)，所(suo)以(yi)需(xu)要(yao)經(jing)常(chang)檢(jian)漏(lou)，隨(sui)時(shi)發(fa)現(xian)問(wen)題(ti)。如(ru)果(guo)不(bu)注(zhu)意(yi)輕(qing)則(ze)造(zao)成(cheng)氣(qi)體(ti)浪(lang)費(fei)，重(zhong)則(ze)會(hui)出(chu)現(xian)安(an)全(quan)問(wen)題(ti)，後(hou)果(guo)不(bu)堪(kan)設(she)想(xiang)。定期更換進樣口隔墊jinyangkougedianlouqishiqixiangsepudechangjianguzhangzhiyi。youxieyiqiyouzijiangongnengkeyifaxianlouqi，danshiyouxieweixiaodelouqiwentiyeshibunengbaozhengfaxiande，gengyouxieyiqijiumeiyouzijiangongneng，louqijiugengshiwucongzhaqile。zengjingjiuyouGC-MS的初學者一夜之間漏完了一瓶氦氣，而且質譜圖上有一些含矽的離子峰。檢查各個管路、lianjiefajunweifaxianwenti，zuihoucaifaxianshijinyangkougedianshiyongtaijiu，zhongjianjingranyijingchuxianletouguangkong，haiqijiushicongzhelilouguangde。ciwai，gedianlaohuajiangjieyehuizaochengfenxijieguodeganrao，birugediansuixiejiuhuidiaojinqihuashizaochengguifengdechuxian，jiurushangmiansuoshuodehanguidelizifeng。市售的隔墊一般分為三種類型，普通型（可耐溫至200℃）、優質型（可耐溫至300℃）和高溫型（可耐溫至400℃）。耐高溫或抗老化性能越好、壽命越長，價格當然也就也就越高。選擇時可以根據實際分析條件和需求決定，常規分析實驗室（汽化溫度不超過300℃）選(xuan)擇(ze)優(you)質(zhi)型(xing)的(de)隔(ge)墊(dian)就(jiu)可(ke)以(yi)了(le)，做(zuo)高(gao)溫(wen)氣(qi)相(xiang)分(fen)析(xi)時(shi)最(zui)好(hao)選(xuan)取(qu)高(gao)溫(wen)型(xing)隔(ge)墊(dian)。至(zhi)於(yu)多(duo)久(jiu)更(geng)換(huan)一(yi)次(ci)隔(ge)墊(dian)則(ze)需(xu)要(yao)看(kan)分(fen)析(xi)樣(yang)品(pin)的(de)性(xing)質(zhi)和(he)分(fen)析(xi)條(tiao)件(jian)了(le)。常(chang)規(gui)檢(jian)測(ce)性(xing)實(shi)驗(yan)室(shi)一(yi)般(ban)每(mei)天(tian)更(geng)換(huan)一(yi)個(ge)。一(yi)個(ge)隔(ge)墊(dian)的(de)連(lian)續(xu)使(shi)用(yong)時(shi)間(jian)最(zui)好(hao)不(bu)要(yao)超(chao)過(guo)一(yi)周(zhou)，當(dang)然(ran)對(dui)於(yu)經(jing)驗(yan)豐(feng)富(fu)的(de)“老司機”是可以憑經驗、手感之類的判斷是否需要更換的。及時清洗注射器08ganjingdezhusheqinengbimianyangpinjiyixiaoyingdeganrao。genghuanyangpinshixuyaoqingxi，yongtongyiyangpinduocijinyangshiyeyaoyongyangpinbenshenqingxizhusheqi。yizhizhusheqizanshibuyongshi（比如放假時），gengyaochediqingxi，fouzecanliuzaiqizhongdeyangpinkenengjiangzhenxinzhanzhu，zaochengzhusheqidebaofei。shiyongzidongjinyangqishiyeyaozhuyiciwenti，zuihaojingchanggenghuanheqingxizhusheqi。定期檢查並清洗進樣口襯管儀器長期使用後會發現襯管內積存有焦油狀物質，這是樣品中的不揮發成分造成的。此外還會有顆粒狀物質積存（隔墊碎屑、樣品中的固體物質），zhexiedouhuiganraofenxidezhengchangjinxing。yinciyaodingqijianzha，jishiqingxi。zhidezhuyideshi，xianzaidechenguanzhongyijingtianchongleyixiejingguiwanhuachuliguodeshiyingbolimao，jikeyitigaoyangpindeqihuaxiaolv，younengfangzhigediansuixiejinrusepuzhuzaochengdusai，yekeyigenjushijixuyaogenghuanhuozhezengjianbolimao，yiqidadaogenghaodexiaoguo。保留完整的儀器使用記錄儀器使用記錄是儀器的履曆，應逐日記錄，包括操作者、分析樣品、條件、儀yi器qi工gong作zuo狀zhuang態tai等deng，一yi旦dan儀yi器qi出chu現xian問wen題ti，這zhe是shi查zha找zhao原yuan因yin的de重zhong要yao資zi料liao。一yi些xie研yan究jiu性xing的de實shi驗yan室shi往wang往wang不bu太tai注zhu意yi儀yi器qi使shi用yong記ji錄lu的de填tian寫xie，這zhe是shi需xu要yao注zhu意yi的de問wen題ti。更換零部件要逐一進行11
weixiuyiqishi，buyaoyicigenghuanduogebujian，zheyaorongyizaochengguzhangyuanyindepanduanshiwu。yinggaiyicigenghuanyigebujian，jingceshihouzaigenghuanlingyige。zheyangjikeyigengzhunquedepanduanguzhangyuanyin，yenengbimianbubiyaodekaizhi。編輯：songjiajie2010
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