今天薄層色譜硅膠制備板小編(bian)個(ge)大家介紹載(zai)板的制備方式(shi)。

薄層(ceng)(ceng)(ceng)(ceng)(ceng)層(ceng)(ceng)(ceng)(ceng)(ceng)析(xi)(xi)英文為(wei)thin layer chromatography 又稱(cheng)薄層(ceng)(ceng)(ceng)(ceng)(ceng)色(se)譜，色(se)譜法中的(de)(de)(de)一(yi)種，是快速分(fen)離和(he)定性分(fen)析(xi)(xi)少量物質(zhi)(zhi)的(de)(de)(de)一(yi)種重要實驗技術，屬固—液吸(xi)附色(se)譜，兼備了柱色(se)譜和(he)紙色(se)譜的(de)(de)(de)優點，一(yi)方面(mian)(mian)適(shi)(shi)用于少量樣品（幾微克(ke)，甚至(zhi)0.01微克(ke)）的(de)(de)(de)分(fen)離；另一(yi)方面(mian)(mian)在(zai)制(zhi)作薄層(ceng)(ceng)(ceng)(ceng)(ceng)板(ban)時，把(ba)吸(xi)附層(ceng)(ceng)(ceng)(ceng)(ceng)加厚加大，因此(ci)(ci)，又可用來精制(zhi)樣品，此(ci)(ci)法特別(bie)適(shi)(shi)用于揮發性較小(xiao)或(huo)(huo)較高溫度易發生(sheng)變化(hua)而不能用氣相色(se)譜分(fen)析(xi)(xi)的(de)(de)(de)物質(zhi)(zhi)。是將吸(xi)附劑、載體或(huo)(huo)其他(ta)活性物質(zhi)(zhi)均(jun)勻(yun)涂鋪(pu)在(zai)平面(mian)(mian)板(ban)（如玻璃板(ban)、塑料片、金屬片等）上，形成薄層(ceng)(ceng)(ceng)(ceng)(ceng)（常用厚度為(wei)0.25毫米左右(you)）后(hou)，在(zai)此(ci)(ci)薄層(ceng)(ceng)(ceng)(ceng)(ceng)上進行層(ceng)(ceng)(ceng)(ceng)(ceng)析(xi)(xi)分(fen)離的(de)(de)(de)分(fen)析(xi)(xi)方法。

當前國內外商品(pin)化(hua)的(de)(de)各種(zhong)預(yu)制(zhi)(zhi)板(ban)均(jun)有(you)市售，可(ke)滿足各種(zhong)需(xu)要，預(yu)制(zhi)(zhi)板(ban)使(shi)用方(fang)便，涂布均(jun)勻，薄層(ceng)光滑及(ji)有(you)很好(hao)的(de)(de)牢度，分離效(xiao)果(guo)及(ji)重現性均(jun)較手工制(zhi)(zhi)板(ban)好(hao)。但(dan)價格較貴，所以在(zai)實(shi)驗室里經常需(xu)要自己手工制(zhi)(zhi)作。下面那我們(men)來介(jie)紹(shao)一(yi)下載板(ban)的(de)(de)制(zhi)(zhi)備。

常(chang)用(yong)的(de)載板(ban)(ban)(ban)主要為玻(bo)(bo)璃(li)板(ban)(ban)(ban)，塑料板(ban)(ban)(ban)、金(jin)屬鋁箔(bo)等較(jiao)少(shao)使(shi)(shi)用(yong)。用(yong)于(yu)制備薄(bo)層(ceng)(ceng)板(ban)(ban)(ban)的(de)玻(bo)(bo)璃(li)板(ban)(ban)(ban)要求表(biao)面光(guang)滑、平整清(qing)潔(jie)，否則涂布(bu)不均勻，薄(bo)層(ceng)(ceng)易剝落。最(zui)好(hao)使(shi)(shi)用(yong)厚為1～2 mm的(de)優質(zhi)平板(ban)(ban)(ban)玻(bo)(bo)璃(li)，普通窗玻(bo)(bo)璃(li)一(yi)般不宜用(yong)于(yu)制作薄(bo)層(ceng)(ceng)板(ban)(ban)(ban)。玻(bo)(bo)璃(li)板(ban)(ban)(ban)需洗凈至不掛水，晾干，貯存于(yu)干燥潔(jie)凈處備用(yong)。玻(bo)(bo)璃(li)板(ban)(ban)(ban)反復使(shi)(shi)用(yong)時，應注意(yi)經(jing)常(chang)用(yong)洗液及堿液清(qing)洗干凈。保持玻(bo)(bo)璃(li)板(ban)(ban)(ban)面的(de)光(guang)潔(jie)是保證薄(bo)層(ceng)(ceng)板(ban)(ban)(ban)質(zhi)量(liang)的(de)最(zui)基本要求。玻(bo)(bo)璃(li)板(ban)(ban)(ban)大小視實(shi)驗所需而定，一(yi)般分(fen)析用(yong)玻(bo)(bo)璃(li)板(ban)(ban)(ban)較(jiao)小，而制備用(yong)玻(bo)(bo)璃(li)板(ban)(ban)(ban)較(jiao)大。

薄層色(se)譜硅膠制(zhi)備板就(jiu)找(zhao)維啟化工，服(fu)務(wu)熱線：。