Merck ZIC-HILIC 親水作用色譜柱 ● 直接分離極性和親水性化合物 ● 兩性離子基團(tuán)通過共價鍵合在多孔硅膠上 ● 超長的耐受性使得樣品分離的成本很低 ● ZIC-pHILIC,聚合物基質(zhì),PH2-10 為什么使用HILIC? 盡管反相液相色譜(RPLC)是至今應(yīng)用最廣的色譜分離技術(shù),它能與各種常規(guī)的檢測方法結(jié)合,解決多種分析應(yīng)用問題,但對某些分析物,特別是極性和親水性化合物卻無法或很少保留。長期以來,人們采用正相液相色譜(NPLC),并使用不利環(huán)保的非水溶性流動相如己脘或環(huán)己脘來分析這些物質(zhì)。 但是在這種實驗條件下,很多極性和親水化合物往往很難溶解,從而限制了NPLC的應(yīng)用范圍。從現(xiàn)在起有了另一種新的解決辦法,即選用親水作用液相色譜-HILIC。 什么是親水作用色譜(HILIC): 親水作用液色譜(Hydrophilic Interaction LiquidChromatography,HILIC) 是一種直接分離極性和親水性化合物的色譜技術(shù),為了便于理解,我們可以把它看作為是一種反相色譜溶劑做為流動相的正相色譜。 因此HILIC是: ● 親水性的固定相 ● 以水、有機(jī)溶劑和緩沖液作為流動相洗脫劑 常見的HILIC方法采用50-90%有機(jī)溶劑和一定比例的水,并且含有低濃度的緩沖鹽。如乙腈/水/醋酸銨體系 在HILIC方法中,洗脫順序和反相色譜正好相反,即極性越大,保留時間越長。 ZIC-HILIC 和 ZIC-pHILIC兩性離子固定相的官能團(tuán): ZIC-HILIC的應(yīng)用: 訂貨信息: 貨號 描述 固定相 規(guī)格 1.50434.0001 ZIC®-HILIC (5µm) 14 x 1 mm PEEK保護(hù)柱(5件) fitting guard column 1.50435.0001 ZIC®-HILIC (5µm) 20 x 2.1 mm PEEK保護(hù)柱 (1件) fitting guard column 1.50436.0001 ZIC®-HILIC (5µm) 20 x 2.1 mm PEEK保護(hù)柱套件 (3件) fitting guard column 1.50439.0001 ZIC®-HILIC (3.5µm, 100Å) 20 x 2.1 mm PEEK HPLC column 1.50440.0001 ZIC®-HILIC (3.5µm, 100Å) 50 x 2.1 mm PEEK HPLC column 1.50441.0001 ZIC®-HILIC (3.5µm, 100Å) 100 x 2.1 mm PEEK HPLC column 1.50442.0001 ZIC®-HILIC (3.5µm, 100Å) 150 x 2.1 mm PEEK HPLC column 1.50444.0001 ZIC®-HILIC (3.5µm, 100Å) 150 x 4.6 mm PEEK HPLC column 1.50443.0001 ZIC®-HILIC (3.5µm, 100Å) 250 x 2.1 mm PEEK HPLC column 1.50445.0001 ZIC®-HILIC (3.5µm, 200Å) 50 x 2.1 mm PEEK HPLC column 1.50446.0001 ZIC®-HILIC (3.5µm, 200Å) 50 x 4.6 mm PEEK HPLC column 1.50447.0001 ZIC®-HILIC (3.5µm, 200Å) 100 x 2.1 mm PEEK HPLC column 1.50448.0001 ZIC®-HILIC (3.5µm, 200Å) 150 x 2.1 mm PEEK HPLC column 1.50449.0001 ZIC®-HILIC (3.5µm, 200Å) 150 x 4.6 mm PEEK HPLC column 1.50450.0001 ZIC®-HILIC (5µm, 200Å) 50 x 2.1 mm PEEK HPLC column 1.50451.0001 ZIC®-HILIC (5µm, 200Å) 50 x 4.6 mm PEEK HPLC column 1.50452.0001 ZIC®-HILIC (5µm, 200Å) 100 x 2.1 mm PEEK HPLC column 1.50453.0001 ZIC®-HILIC (5µm, 200Å) 100 x 4.6 mm PEEK HPLC column 1.50454.0001 ZIC®-HILIC (5µm, 200Å) 150 x 2.1 mm PEEK HPLC column 1.50455.0001 ZIC®-HILIC (5µm, 200Å) 150 x 4.6 mm PEEK HPLC column 1.50456.0001 ZIC®HILIC (5µm, 200Å) 150 x 7.5 mm PEEK HPLC column 1.50457.0001 ZIC®-HILIC (5µm, 200Å) 250 x 2.1 mm PEEK HPLC column 1.50458.0001 ZIC®-HILIC (5µm, 200Å) 250 x 4.6 mm PEEK HPLC column 1.50437.0001 ZIC®-pHILIC polymeric (5µm) 20 x 2.1 mm PEEK Guard (1 pc) PEEK保護(hù)柱(1件) 1.50438.0001 ZIC®-pHILIC polymeric (5µm) 20 x 2.1 mm PEEK Guard Kit PEEK保護(hù)柱套件(3件) 1.50462.0001 ZIC®-pHILIC polymeric (5µm) 100 x 2.1 mm PEEK metal-free HPLC column 1.50460.0001 ZIC®-pHILIC polymeric (5µm) 150 x 2.1 mm PEEK metal-free HPLC column 1.50464.0001 ZIC®-pHILIC polymeric (5µm) 100 x 4.6 mm PEEK metal-free HPLC column 1.50463.0001 ZIC®-pHILIC polymeric (5µm) 50 x 4.6 mm PEEK metal-free HPLC column 1.50459.0001 ZIC®-pHILIC polymeric (5µm) 50 x 2.1 mm PEEK metal-free HPLC column 1.50461.0001 ZIC®-pHILIC polymeric (5µm) 150 x 4.6 mm PEEK metal-free HPLC column —→ 更多供貨信息請電話咨詢我公司