jagomart
digital resources
picture1_Size Separation Pdf 86837 | Silicagel For Chromatography


 193x       Filetype PDF       File size 0.09 MB       Source: www.kanto.com.my


File: Size Separation Pdf 86837 | Silicagel For Chromatography
silica gel for column chromatography spherical silica gel for preparative lc column chromatography flash chromatography spherical silica gel for column chromatography spherical silica gel are superior to irregular shaped silica ...

icon picture PDF Filetype PDF | Posted on 14 Sep 2022 | 3 years ago
Partial capture of text on file.
      Silica gel for 
      Column Chromatography
          Spherical Silica gel for Preparative LC
              Column Chromatography
               Flash Chromatography
                           Spherical Silica gel for Column Chromatography
                                                                        Spherical silica gel are superior to irregular shaped 
                                                                        silica gel in gel sedimentation, and form more uniform 
                   CHARACTERISTICS                                      column beds. They have begun to be in wide use for 
                                                                        laboratory-scale purification to industrial-scale 
                                                                        preparative work.
                        Advantages of Spherical Silica gel as Compared to Irregular shaped
                                 Better gel sedimentation                         ɹɹɹɹɹɹɹɹɹɹɹɹɹBroader surface area
                                   Uniform column bed                                 Increased linear velocity 
                      Enhanced                                Better                               Promoted                               Smaller
                   reproducibility                          resolution                            operability                               column
                                     Selection Guide for Preparative Chromatography
              ˔ pH of Silica Gel
              Pure silica gel (SiO ) is known to be a weak acid from 
                                 2                                        not be suited for their separation. Our pH-adjusted 
              its surface structure. In instances where samples are       material, Silicagel 60N, are ideal in separating a wide 
              unstable under acidic conditions, pure silica gel may       range of compounds.
              ˔ Particle Size
               ɹɹɹɹɹɹɹɹɹɹɹɹɹParticle size ɹɹɹɹɹɹɹɹɹɹɹCharacteristics
                                                            Loose material for high-resolution,flash chromatography. Due to 
                                                            narrow particle size distribution, easily prepare column beds 
                                               40~50Жm with superior in resolution, permeability and uniformity. Suitable 
                                                            for purification of target substances in complex matrix. Useful as 
               Flash Chromatography                         loose material  for medium-pressure preparative columns.
                                                            Loose material for standard flash chromatography. Due to high 
                                              40~100Жm permeability, usable under hydrostatic pressure, depending on 
                                                            eluents. Useful as fillers for high-resolution, small-scale open 
                                                            columns.
                                                            Economical material for open column chromatography, having 
                                              63~210Жm the advantage of easy handling and high cost performance. 
                                                            Suitable for rough purification. Contribute greatly to reduction in 
                                                            purification cost in a large-scale preparative operation.
               Column Chromatography 
                                                            Loose material for standard open column chromatography. Form 
                                                            uniform beds even in large columns. Suitable for mass 
                                            100~210Жm preparative chromatography treatment by overload technique. 
                                                            Due to high permeability and increased throughput, enhances 
                                                            productivity.
                                Spherial Silica gel for Column Chromatography
                                                            Comparison of Resolution
                 The separating ability of our spherical Silicagel was            The spherical silica gels are expected to enhance 
                 compared with that of irregular shaped silica gel with           resolution and reproducibility because they are able to 
                 a similar particle size.                                         form more uniform column beds.
                 Chromatographic conditions                 Products For Flash Chromatography
                                                                                       N      = 3.841                          N      = 2.738
                 Column : stainless steel,                       Spherical Type          Biphenyl        Irregular Type          Biphenyl 
                                  length 250mm,                  Silicagel 60N              3                                     3
                                                                 (Spherical, neutral)
                                                                                         2
                                  inner diameter 10mm                                  1                                        2
                 Mobile phase : n-Heptane
                 Flow rate : 2.5mL/min                                                                                         1
                 Temperature : Room temperature
                 Detection : UV 254nm
                 Amount of Injection : 50ЖL
                 Sample : 1. Benzene 0.5 mg/mL
                                2. Naphthalene 0.05 mg/mL
                                3. Biphenyl 0.015 mg/mL          Particle size:                          Particle size:
                                                                 40 ʙ50Жm            5                   40 ʙ63Жm             5 1015202530
                                                                                       10152025
                                                                Products For Column Chromatography
                                                                                       N      = 1.898                          N      = 883
                                                                 Spherical Type          Biphenyl        Irregular Type          Biphenyl 
                                                                 Silicagel 60N
                                                                 (Spherical, neutral)
                                                                                          3                                      3
                                                                                     1 2
                                                                                                                                2
                                                                                                                               1
                                                                 Particle size:                          Particle size:
                                                                 63 ʙ210Жm                               63 ʙ200Жm
                                                                                   5 101520253035                             5 1015202530
                                            Particle Size Distribution of Spherical Silicagel
                      100
                        80                                                                                      Products for 
                                                    63~210Жm                     100~210Жm                      flash chromatography
                        60
                      eight (%)40                                                                              Products for 
                      W           40~50Жm                 40~100Жm                                             column chromatography
                        20
                         00                             50                           100                           150                          200 
                                                                Particle size (Жm)
                                                           Ordering information
                          Product Name                           Silicagel 60 (Spherical)                          Silicagel 60N (Spherical, Neutral)
                  pH (10% sus.)                                        6.0ʶ1.0 (Acidic)                                            7.0ʶ0.5 (Neutral)
                            Particle size (Жm)          For flash                    For column                   For flash                   For column
                                                  chromatography         chromatography         chromatography         chromatography
                  Cat.No.    Pack size            40~50       40~100       63~210 100~210           40~50       40~100       63~210 100~210
                                      1kg        37562-79 37559-79 37564-79 37558-79 37563-79 37561-79 37565-79 37560-79
                                    10kg         37562-84 37559-84 37564-84 37558-84 37563-84 37561-84 37565-84 37560-84
                                    25kg         37562-85 37559-85 37564-85 37558-85 37563-85 37561-85 37565-85 37560-85
                                                Physical Properties of Silica gel
                          Product Name                           Silicagel 60 (Spherical)                          Silicagel 60N (Spherical, Neutral)
                  pH (10% sus.)                                        6.0ʶ1.0 (Acidic)                                            7.0ʶ0.5 (Neutral)
                                                                               2                                                 2
                  Specific surface area                        700ʶ50    m /g                                    650ʶ50    m /g
                  Pore diameter                                 65ʶ10 ̃                                           60ʶ10 ̃
                  Pore volume                                 1.15ʶ0.10  mL/g                                    0.90ʶ0.10 mL/g
                  Bulk density                                0.40ʶ0.05  g/mL                                    0.50ʶ0.05 g/mL
                  Water content                              ʽ15.0      %                                                  %
                                                                                                                ʽ15.0     
                            Cl                                 ʽ100       ppm                                   ʽ100       ppm
                            Na                                 ʽ100       ppm                                   ʽ100       ppm
                            Mg                                 ʽ50       ppm                                  ʽ50       ppm
                            Ca                                 ʽ50       ppm                                  ʽ500       ppm
                            Al                                 ʽ150       ppm                                   ʽ150       ppm
                            Ti                                 ʽ150       ppm                                   ʽ150       ppm
                            Fe                                 ʽ50       ppm                                   ʽ50       ppm
                                                                                          11-5, Nihonbashi-Honcho 3-chome, Chuo-ku, Tokyo 
                                                                                          103-0023 Japan
                                                                                          Telephone  +813-3639-8301   Telefax  +813-3639-9435
                                                                                          http: //www.kanto.co.jp    e-mail: reag-info@gms.kanto.co.jp
The words contained in this file might help you see if this file matches what you are looking for:

...Silica gel for column chromatography spherical preparative lc flash are superior to irregular shaped in sedimentation and form more uniform characteristics beds they have begun be wide use laboratory scale purification industrial work advantages of as compared better broader surface area bed increased linear velocity enhanced promoted smaller reproducibility resolution operability selection guide ph pure sio is known a weak acid from not suited their separation our adjusted its structure instances where samples material silicagel n ideal separating unstable under acidic conditions may range compounds particle size loose high due narrow distribution easily prepare m with permeability uniformity suitable target substances complex matrix useful medium pressure columns standard usable hydrostatic depending on eluents fillers small open economical having the advantage easy handling cost performance rough contribute greatly reduction large operation even mass treatment by overload technique ...

no reviews yet
Please Login to review.