自(zi)動(dong)頂(ding)空(kong)進(jin)樣器具有(you)自(zi)動(dong)化(hua)設(she)計、大屏(ping)液晶(jing)顯示(shi)、觸摸鍵盤、數(shu)字(zi)輸(shu)入(ru)、造(zao)型美(mei)觀(guan)大方、操作(zuo)更(geng)為方便(bian)的新壹代(dai)頂空(kong)進(jin)樣器。 頂空(kong)進(jin)樣器是(shi)氣相色譜(pu)法(fa)中(zhong)壹種(zhong)方(fang)便(bian)快捷(jie)的樣品(pin)前(qian)處(chu)理方法(fa),自(zi)動(dong)頂(ding)空(kong)進(jin)樣器原理是(shi)將(jiang)待(dai)測樣品(pin)置入(ru)壹(yi)密閉(bi)的容(rong)器(qi)中(zhong),通(tong)過(guo)加熱(re)升溫使(shi)揮(hui)發性組(zu)分(fen)從樣品(pin)基體中(zhong)揮(hui)發出來(lai),在氣液(或氣固(gu))兩(liang)相中(zhong)達到(dao)平衡,直(zhi)接抽(chou)取(qu)頂(ding)部(bu)氣體(ti)進(jin)行色譜(pu)分(fen)析(xi),從而(er)檢(jian)驗(yan)樣品(pin)中(zhong)揮(hui)發性組(zu)分(fen)的成(cheng)分(fen)和含(han)量。
1.金(jin)屬(shu)體加熱(re)控溫,控溫精度(du)高(gao)、梯度(du)小;
2.前置樣品(pin)區(qu),使(shi)用(yong)人員在(zai)放(fang)置樣品(pin)時更(geng)方(fang)便(bian)操作(zuo);
3.微機程(cheng)序控制,主(zhu)要(yao)功(gong)能有(you):
⑴方(fang)法(fa)參(can)數(shu)設(she)置、實時工(gong)作(zuo)狀(zhuang)態(tai)、運行(xing)時間(jian);
⑵樣品(pin)區(qu)、進樣閥系統和樣品(pin)傳輸(shu)管(guan),三路(lu)均(jun)單(dan)獨加熱(re)控溫;
⑶設(she)定控制程(cheng)序(xu),按(an)下運行(xing)鍵自(zi)動(dong)完(wan)成(cheng)整個(ge)樣品(pin)分(fen)析(xi);
⑷可存(cun)儲9中(zhong)方法,方便(bian)隨時調(tiao)用(yong),實現(xian)了快速(su)啟動(dong)與(yu)分(fen)析(xi);
⑸可同(tong)步啟動(dong)GC、色譜(pu)數(shu)據處(chu)理工(gong)作(zuo)站(zhan),也可(ke)用外來程(cheng)序(xu)啟動(dong)本(ben)置;
4.設(she)有(you)外(wai)加載(zai)氣調(tiao)節(jie)系統,無(wu)需對於(yu)GC儀(yi)器(qi)進(jin)行(xing)任何(he)改裝與(yu)變動(dong),即可進(jin)行(xing)頂空(kong)進(jin)樣分(fen)析(xi)。也可(ke)選用原儀(yi)器載氣;
5.通(tong)過(guo)時間(jian)編(bian)程,自(zi)動(dong)實現(xian)加壓、取樣、進樣、分(fen)析(xi)和分(fen)析(xi)後的反(fan)吹(chui)清(qing)洗(xi)等(deng)功(gong)能;
6.采(cai)用(yong)壓力平衡進樣技術頂空(kong)進(jin)樣可得到(dao)窄的色譜(pu)峰(feng)形(xing);
7.樣品(pin)傳輸(shu)管(guan)和進(jin)樣閥有(you)自(zi)動(dong)反(fan)吹(chui)功(gong)能,避(bi)免(mian)了(le)不同(tong)樣品(pin)的交(jiao)叉(cha)汙(wu)染(ran);
8.對(dui)於(yu)活性物(wu)質(zhi)分(fen)析(xi)可選配彈(dan)性(xing)石(shi)英(ying)管作(zuo)為樣品(pin)傳送(song)管;
9.可(ke)根據客(ke)戶(hu)要(yao)分(fen)析(xi)的樣品(pin)的濃度(du)高(gao)低隨時調(tiao)整(zheng)進樣量;
10.進樣針(zhen)頭(tou)更(geng)換方便(bian),可連(lian)接國內外(wai)所(suo)有(you)型號(hao)的GC進(jin)樣口。