近jin年nian來lai,紡fang織zhi品pin的de生sheng態tai要yao求qiu備bei受shou關guan注zhu,檢jian測ce要yao求qiu越yue來lai越yue嚴yan格ge,對dui檢jian測ce能neng力li的de要yao求qiu也ye在zai提ti高gao。有you害hai物wu質zhi檢jian測ce過guo程cheng中zhong萃cui取qu是shi主zhu要yao過guo程cheng,目mu前qian常chang用yong的de溶rong劑ji萃cui取qu技ji術shu有you索suo氏shi萃cui取qu、超聲萃取、微波萃取和加速溶劑萃取等,新型萃取技術有固相萃取、固相微萃取和液相微萃取等,而基於各種萃取技術而形成的多元結合萃取技術包括索氏-固相萃取、加速溶劑-固相萃取和超聲-固相微萃取等。 本文對應用在紡織品有害物質分析中的萃取技術進行綜述,並對更加環保生態的萃取技術進行了展望。 2 萃取技術在紡織品有害物質檢測中的應用 2.1 溶劑萃取技術 溶劑萃取技術如索氏萃取、超聲萃取等在紡織品有害物質檢測中占重要的地位。 索suo氏shi萃cui取qu是shi簡jian單dan實shi用yong的de經jing典dian萃cui取qu技ji術shu,張zhang偉wei亞ya等deng采cai用yong索suo氏shi萃cui取qu法fa提ti取qu紡fang織zhi品pin中zhong殘can留liu的de烷wan基ji酚fen及ji烷wan基ji酚fen聚ju氧yang乙yi烯xi醚mi,回hui收shou率lv符fu合he要yao求qiu。胡hu勇yong傑jie等deng采cai用yong索suo氏shi萃cui取qu法fa建jian立li了le測ce定ding生sheng態tai紡fang織zhi品pin中zhong含han氯lv有you機ji載zai體ti含han量liang的de方fang法fa。 erchaoshengcuiqushishiyongzuiduodecuiqujishu,duozhongyouhaiwuzhijunkeyongchaoshengcuiqujinxingqianchuli。chaoshengcuiqujishushiyourongjicuiqujishuyuchaoshengbojishujiehexingchengdecuiqujishu,chaoshengchangdecunzaitigaolerongjicuiqudexiaolv。chenglijun、樊苑牧、劉慧婷都采用超聲萃取法分別提取了紡織品中有機錫化合物、含氯酚及鄰苯基苯酚、全氟化合物,檢出限和回收率都在標準要求之下。紡織品中殺蟲劑的提取主要采用超聲萃取法,張翔、王明泰采用超聲萃取法提取紡織品中的農藥殘留物。 微(wei)波(bo)萃(cui)取(qu)法(fa)是(shi)微(wei)波(bo)技(ji)術(shu)與(yu)萃(cui)取(qu)技(ji)術(shu)相(xiang)結(jie)合(he)產(chan)生(sheng)的(de)技(ji)術(shu),在(zai)萃(cui)取(qu)過(guo)程(cheng)中(zhong)用(yong)微(wei)波(bo)來(lai)提(ti)高(gao)萃(cui)取(qu)效(xiao)率(lv)。王(wang)成(cheng)雲(yun)等(deng)采(cai)用(yong)微(wei)波(bo)輔(fu)助(zhu)萃(cui)取(qu)法(fa)提(ti)取(qu)紡(fang)織(zhi)品(pin)中(zhong)殘(can)留(liu)的(de)辛(xin)基(ji)酚(fen)、壬基酚、辛基酚聚氧乙烯醚、壬(ren)基(ji)酚(fen)聚(ju)氧(yang)乙(yi)烯(xi)醚(mi),回(hui)收(shou)率(lv)很(hen)高(gao)。邵(shao)超(chao)英(ying)等(deng)建(jian)立(li)了(le)微(wei)波(bo)輔(fu)助(zhu)萃(cui)取(qu)多(duo)溴(xiu)聯(lian)苯(ben)醚(mi)類(lei)阻(zu)燃(ran)劑(ji)的(de)方(fang)法(fa)。通(tong)過(guo)微(wei)波(bo)輔(fu)助(zhu)萃(cui)取(qu)正(zheng)交(jiao)實(shi)驗(yan),確(que)定(ding)了(le)微(wei)波(bo)萃(cui)取(qu)條(tiao)件(jian),方(fang)法(fa)的(de)檢(jian)出(chu)限(xian)低(di),標(biao)準(zhun)加(jia)入(ru)回(hui)收(shou)率(lv)高(gao),適(shi)用(yong)於(yu)紡(fang)織(zhi)品(pin)中(zhong)痕(hen)量(liang)多(duo)
溴聯苯(醚)類阻燃劑的檢測分析。 加速溶劑萃取技術在1995年由Richterdengtichudeyizhongquanxindecuiqufangfa,caiyongchangguirongji,zaijiaogaodewenduhejiaodadeyalixiayongrongjicuiqugutihuobangutidexinyingdeyangpinqianchulifangfa,liyongshenggaodewenduheyali,zengjiawuzhirongjieduherongzhikuosanxiaolv,tigaocuiquxiaolv。yuhuaipingdengzhenduiguojiduifangzhipinzhongquanfuxinhuangsuanhequanfuxinsuandexianliangyaoqiu,caiyongjiasurongjicuiqufatiquyangpinzhongquanfuxinhuangsuanhequanfuxinsuan,gaifangfadezuidijianchuxian、線性範圍和方法回收率均能滿足要求。 2.2 新型萃取技術 溶劑萃取技術需要使用大量對人體和環境有毒、有害的有機溶劑。雖然溶劑萃取技術仍起著重要的作用,但開發省時高效、有機溶劑耗用量少是萃取技術不斷發展的要求之一,近年來發展起來了多種新型樣品萃取技術,例如固相萃取、固相微萃取、液相微萃取等。 固(gu)相(xiang)萃(cui)取(qu)是(shi)一(yi)種(zhong)基(ji)於(yu)液(ye)一(yi)固(gu)分(fen)離(li)萃(cui)取(qu)的(de)試(shi)樣(yang)預(yu)處(chu)理(li)技(ji)術(shu),固(gu)相(xiang)萃(cui)取(qu)的(de)過(guo)程(cheng)實(shi)質(zhi)上(shang)是(shi)柱(zhu)色(se)譜(pu)分(fen)離(li)過(guo)程(cheng),是(shi)利(li)用(yong)固(gu)體(ti)吸(xi)附(fu)劑(ji)對(dui)液(ye)體(ti)樣(yang)品(pin)中(zhong)目(mu)標(biao)化(hua)合(he)物(wu)與(yu)基(ji)質(zhi)和(he)幹(gan)擾(rao)化(hua)合(he)物(wu)吸(xi)附(fu)能(neng)力(li)的(de)差(cha)異(yi),來(lai)分(fen)離(li)和(he)富(fu)集(ji)目(mu)標(biao)化(hua)合(he)物(wu)的(de)。馬(ma)強(qiang)等(deng)建(jian)立(li)了(le)紡(fang)織(zhi)品(pin)烷(wan)基(ji)酚(fen)遷(qian)移(yi)量(liang)的(de)分(fen)析(xi)方(fang)法(fa)。紡(fang)織(zhi)品(pin)浸(jin)泡(pao)液(ye)經(jing)固(gu)相(xiang)萃(cui)取(qu)柱(zhu)淨(jing)化(hua)後(hou)定(ding)量(liang)分(fen)析(xi)。牛(niu)增(zeng)元(yuan)等(deng)對(dui)紡(fang)織(zhi)品(pin)中(zhong)鄰(lin)苯(ben)二(er)甲(jia)酸(suan)酯(zhi)類(lei)環(huan)境(jing)激(ji)素(su)在(zai)人(ren)工(gong)汗(han)液(ye)中(zhong)的(de)遷(qian)移(yi)進(jin)行(xing)了(le)研(yan)究(jiu),確(que)定(ding)了(le)用(yong)固(gu)相(xiang)萃(cui)取(qu)濃(nong)縮(suo)富(fu)集(ji)人(ren)工(gong)汗(han)液(ye)提(ti)取(qu)液(ye)中(zhong)的(de)鄰(lin)苯(ben)二(er)甲(jia)酸(suan)酯(zhi)類(lei)化(hua)合(he)物(wu)的(de)最(zui)佳(jia)條(tiao)件(jian)。 固相微萃取是由加拿大Warterlee大學的Pawliszy等於1990年首創,它是一種集萃取、濃縮、解吸、進樣於一體的樣品預處理方法。SPME的理論是基於待分析物在樣品基質和萃取介質(塗層)zhijiandefenpeixishubutong,zaishiyongmouzhongyetigaofenzitucengjinxingcuiqushi,zaicuiqupinghengzhuangtaixiahecuiquqiandaifenxiwudeliangyingbaochibubian,dangcuiqutucengquedinghou,tucengxifudedaifenxiwudeliangyuyangpinzhonggaiwuzhidechushinongduzhijianchengxianxingguanxi,zheshiyingyongSPME進行定量分析的理論基礎。其中,頂空固相微萃取法於測定高揮發性物質;直接固相微萃取法適用於測定低揮發性物質。張卓昱等、高麗榮等、聶鳳明等采用頂空固相微萃取測定紡織品中揮發性有機物(VOCs)的分析方法。優化了SPME的萃取條件,包括萃取頭的選擇、平衡時間、萃取時間、萃取溫度、頂空體積、離子強度、攪拌速度、解吸溫度和時間,符合紡織品中痕量VOCs的(de)快(kuai)速(su)分(fen)析(xi)要(yao)求(qiu)。而(er)劉(liu)瑛(ying)等(deng)采(cai)用(yong)固(gu)相(xiang)微(wei)萃(cui)取(qu)頂(ding)空(kong)進(jin)樣(yang)技(ji)術(shu)和(he)氣(qi)相(xiang)色(se)譜(pu)分(fen)析(xi)紡(fang)織(zhi)品(pin)中(zhong)的(de)異(yi)常(chang)氣(qi)味(wei)。汪(wang)麗(li)等(deng)采(cai)用(yong)固(gu)相(xiang)微(wei)萃(cui)取(qu)吸(xi)附(fu)富(fu)集(ji)紡(fang)織(zhi)品(pin)中(zhong)有(you)機(ji)磷(lin)農(nong)藥(yao),在(zai)氣(qi)相(xiang)色(se)譜(pu)-質譜進樣口熱解吸後進行定性定量檢測。可適用於生態紡織品中物質的快速檢測。 液相微萃取最早是由Jeannot等於1996niantichuyizhongxinxingdeshuiyangyuchulijishu。zhezhongjishujieheleyexiangcuiquheguxiangcuiquyoudian,jinshiyongweishengjishenzhinashengjideyoujirongjijinxingcuiqu,shiyinglexiandaifenxikexueweixinghuafazhandeyaoqiu,shuyuhuanjingyouhaoxingde“綠色”fenxijishu。gaijishujibenyuanlishijianlizaiyangpinyuweishengjishenzhinashengjidecuiqurongjizhijiandefenpeipinghengjichushangde,jicaiyongweidirongjizhiyubeijiaobanhuoliudongderongyezhong,congershixianrongzhideweicuiqu。yexiangweicuiqubaokuozhijiejinmeishiyexiangweicuiqu,dingkongyexiangweicuiquzhongkongxianweimoyexiangweicuiquyijiliudongyexiangweicuiqu。zhanghuidengcaiyongyiliziyetiweicuiqujideyexiangweicuiqu,duifangzhipinjianceguojiabiaozhunfangfa(GB/T 17592-2006)zhongfangzhipinyangpinqianchulifangfajinxinglegaijin,jianlilefangzhipinzhongyuanyuoudanranliaodefangxiangandetiquxinfangfa。bijiaolezhijiejinrushiweicuiquherongjibangweicuiqumoshidecuiquxiaoguo,quedingyirongjibangweicuiquweiweicuiqumoshi。bingyouhualeyexiangweicuiqutiaojianyufangzhipinjianceguojiabiaozhunfangfaxiangbi,gaifangfajiandan、快速,並顯示了較好的富集效果和高的回收率。 2.3 多元萃取技術 各ge種zhong萃cui取qu技ji術shu都dou有you著zhe各ge自zi的de優you點dian和he缺que點dian,而er不bu同tong的de萃cui取qu技ji術shu聯lian合he使shi用yong,加jia強qiang各ge自zi優you點dian,提ti高gao萃cui取qu效xiao率lv。呂lv春chun華hua等deng和he牛niu增zeng元yuan等deng建jian立li了le采cai用yong索suo氏shi萃cui取qu和he固gu相xiang萃cui取qu向xiang結jie合he的de方fang法fa測ce定ding紡fang織zhi品pin中zhong烷wan基ji酚fen聚ju氧yang乙yi
適用烯醚、鄰(lin)苯(ben)二(er)甲(jia)酸(suan)酯(zhi)類(lei)物(wu)質(zhi),此(ci)兩(liang)種(zhong)萃(cui)取(qu)方(fang)法(fa)結(jie)合(he)能(neng)夠(gou)對(dui)紡(fang)織(zhi)品(pin)進(jin)行(xing)有(you)效(xiao)萃(cui)取(qu),並(bing)富(fu)集(ji)濃(nong)縮(suo),淨(jing)化(hua)雜(za)質(zhi),該(gai)方(fang)法(fa)重(zhong)現(xian)性(xing)好(hao),準(zhun)確(que)可(ke)靠(kao)。馬(ma)強(qiang)等(deng)采(cai)用(yong)加(jia)速(su)溶(rong)劑(ji)萃(cui)取(qu)和(he)固(gu)相(xiang)萃(cui)取(qu)相(xiang)結(jie)合(he)的(de)方(fang)法(fa)測(ce)定(ding)了(le)紡(fang)織(zhi)品(pin)中(zhong)烷(wan)基(ji)酚(fen)聚(ju)氧(yang)乙(yi)烯(xi)醚(mi)和(he)阻(zu)燃(ran)劑(ji),采(cai)用(yong)此(ci)兩(liang)種(zhong)萃(cui)取(qu)方(fang)法(fa)結(jie)合(he),檢(jian)測(ce)準(zhun)確(que)快(kuai)速(su),且(qie)靈(ling)敏(min)度(du)高(gao),可(ke)用(yong)於(yu)紡(fang)織(zhi)品(pin)的(de)實(shi)際(ji)檢(jian)驗(yan)工(gong)作(zuo)。陳(chen)軍(jun)等(deng)研(yan)究(jiu)了(le)超(chao)聲(sheng)和(he)固(gu)相(xiang)微(wei)萃(cui)取(qu)相(xiang)結(jie)合(he)提(ti)取(qu)紡(fang)織(zhi)品(pin)中(zhong)的(de)遊(you)離(li)甲(jia)醛(quan)和(he)揮(hui)發(fa)性(xing)有(you)機(ji)化(hua)合(he)物(wu)的(de)測(ce)試(shi)方(fang)法(fa)。該(gai)方(fang)法(fa)檢(jian)出(chu)限(xian)低(di)。回(hui)收(shou)率(lv)高(gao)。 2.4 展望 目mu前qian,已yi有you很hen多duo種zhong萃cui取qu技ji術shu應ying用yong到dao紡fang織zhi品pin有you害hai物wu質zhi的de檢jian測ce分fen析xi中zhong,但dan還hai有you很hen多duo生sheng態tai環huan保bao的de萃cui取qu技ji術shu沒mei有you應ying用yong到dao紡fang織zhi品pin的de有you害hai物wu質zhi檢jian測ce中zhong,例li如ru濁zhuo點dian萃cui取qu。濁zhuo點dian萃cui取qu法fa是shi近jin年nian來lai出chu現xian的de一yi種zhong新xin興xing的de液ye液ye萃cui取qu技ji術shu,通tong過guo改gai變bian實shi驗yan參can數shu如ru溶rong液ye的depH值、離子強度、溫度等引發相分離,將疏水性物質與親水性物質分離。主要的優點在於它不使用有毒、youhaideyoujirongji,shiyinglelvsefenxijishufazhandexuyao。muqianyiguangfandeyingyongyujinshulizidehenliangfuji。zaifangzhipindezhongjinshuceshizhong,caiyongzhuodiancuiqufujidaoyidingnongdu,keyizengjiajiancedewendingxing。 3 結語 萃取技術是紡織品有害物質檢測中的關鍵,隨著對紡織品有害物質的要求越來越嚴格和檢測的綠色化、生態化,快捷高效、有機溶劑耗用量少的萃取新技術將成為主流趨勢。
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