Capcell-Pak HPLC columns are manufactured by Osaka-Soda in Japan. Previously, the columns belonged to the Shiseido Company, whose chromatography division was acquired by Osaka Soda in 2017. The base silica is first homogeneously coated with a silicone polymer monolayer, by vapour deposition. A series of phases is then produced by bonding alkyl groups, which shield any acidic silanols, to the coated surface. This imparts superior mechanical strength as well as extended pH stability. The product line has evolved over time with regard to quality of the silica support as well as the polymer coating technology. All phases, except the Capcell-Pak AG series, are based on high purity Type B silica gel.
Phase name | Modification | Particle size | Pore size | End-capping | C-content | USP | Surface area | pH range | Tmax |
Capcell Pak C18 AG | C18 | 5 µm | 120 Å | Polymer coating | 15% | L1 | 300m2/g | 2.0-10.0 | N/A |
Capcell Pak C8 AG | C8 | 5 µm | 120 Å | Polymer coating | 9% | L7 | 300m2/g | 2.0-10.0 | N/A |
Phase name | Modification | Particle size | Pore size | End-capping | C-content | USP | Surface area | pH range | Tmax |
Capcell Pak C18 SG 120 | C18 | 3, 5 µm | 120 Å | Polymer coating | 15% | L1 | 300m2/g | 2.0-9.0 | N/A |
Capcell Pak C18 SG 300 | C18 | 5 µm | 300 Å | Polymer coating | 10% | L1 | 150m2/g | 2.0-9.0 | N/A |
Capcell Pak C8 SG 300 | C8 | 5 µm | 300 Å | Polymer coating | 6% | L7 | 150m2/g | 2.0-9.0 | N/A |
Capcell Pak C1 SG 300 | C1 | 5 µm | 300 Å | Polymer coating | 3% | L13 | 150m2/g | 2.0-9.0 | N/A |
Capcell Pak Ph SG 120 | phenyl | 5 µm | 120 Å | Polymer coating | 7% | L1 | 300m2/g | 2.0-9.0 | N/A |
Capcell Pak CN SG 120 | Cyano (CN) | 5 µm | 120 Å | Polymer coating | 6% | L10 | 300m2/g | 2.0-9.0 | N/A |
Capcell Pak NH2 SG 80 | Amino (NH2) | 5 µm | 80 Å | Polymer coating | 14% | L8 | 450m2/g | 2.0-8.0 | N/A |
Phase name | Modification | Particle size | Pore size | End-capping | C-content | USP | Surface area | pH range | Tmax |
Capcell Pak C18 UG 80 | C18 | 5 µm | 80 Å | Polymer coating | 18% | L1 | 300m2/g | 2.0-10.0 | N/A |
Capcell Pak C18 UG 120 | C18 | 3, 5 µm | 120 Å | Polymer coating | 15% | L1 | 300m2/g | 2.0-10.0 | N/A |
Capcell Pak C8 UG 120 | C8 | 5 µm | 120 Å | Polymer coating | 9% | L7 | 300m2/g | 2.0-10.0 | N/A |
Capcell Pak C1 UG 120 | C1 | 5 µm | 120 Å | Polymer coating | 4% | L13 | 300m2/g | 2.0-10.0 | N/A |
Capcell Pak Ph UG 120 | phenyl | 5 µm | 120 Å | Polymer coating | 8% | L1 | 300m2/g | 2.0-10.0 | N/A |
Capcell Pak CN UG 120 | Cyano (CN) | 5 µm | 120 Å | Polymer coating | 5% | L10 | 300m2/g | 2.0-10.0 | N/A |
Capcell Pak NH2 UG 80 | Amino (NH2) | 5 µm | 80 Å | Polymer coating | 14% | L8 | 450m2/g | 2.0-8.0 | N/A |
Capcell Pak SCX UG 80 | Sulphonic acid | 5 µm | 80 Å | Polymer coating | 9% | L9 | 450m2/g | 2.0-7.0 | N/A |
Phase name | Modification | Particle size | Pore size | End-capping | C-content | USP | Surface area | pH range | Tmax |
Capcell Pak C18 MG | C18 | 3, 5 µm | 100 Å | Polymer coating | 15% | L1 | 300, 260m2/g | 2.0-10.0 | N/A |
Capcell Pak C18 MG II | C18 | 3, 5 µm | 100 Å | Polymer coating | 15% | L1 | 300, 260m2/g | 2.0-10.0 | N/A |
Capcell Pak C18 MG III | C18 | 2 µm | 100 Å | Polymer coating | 15% | L1 | 300, 260m2/g | 2.0-10.0 | N/A |
Phase name | Modification | Particle size | Pore size | End-capping | C-content | USP | Surface area | pH range | Tmax |
Capcell Pak C18 IF | C18 | 2 µm | 120 Å | Polymer coating | 14% | L1 | 340m2/g | 2.0-9.0 | N/A |
Capcell Pak C18 IF2 | C18 | 2.2 µm | 80 Å | Polymer coating | 15.5% | L1 | 480m2/g | 2.0-9.0 | N/A |
Phase name | Modification | Particle size | Pore size | End-capping | C-content | USP | Surface area | pH range | Tmax |
Capcell Pak C18 ACR | C18 | 3, 5 µm | 80 Å | Polymer coating | 17% | L1 | 300m2/g | 1.0-10.0 | N/A |
Phase name | Modification | Particle size | Pore size | End-capping | C-content | USP | Surface area | pH range | Tmax |
Capcell Pak C18 AQ | C18 | 3 µm | 80 Å | Polymer coating | 12% | L1 | 330m2/g | 2.0-9.0 | N/A |
Capcell Pak C18 AQ | C18 | 5 µm | 80 Å | Polymer coating | 11% | L1 | 300m2/g | 2.0-9.0 | N/A |
Phase name | Modification | Particle size | Pore size | End-capping | C-content | USP | Surface area | pH range | Tmax |
Capcell Pak C8 DD | C8 | 3, 5 µm | 80 Å | Polymer coating | 11% | L7 | 300m2/g | 1.5-10.0 | N/A |
Phase name | Modification | Particle size | Pore size | End-capping | C-content | USP | Surface area | pH range | Tmax |
Capcell Pak C18 BB | C18 | 3, 5 µm | 130 Å | Polymer coating | 17% | L1 | 300m2/g | 1.0-11.0 | N/A |
Phase name | Modification | Particle size | Pore size | End-capping | C-content | USP | Surface area | pH range | Tmax |
Capcell Pak CR | SCX + C18 | 3, 5 µm | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
Phase name | Modification | Particle size | Pore size | End-capping | C-content | USP | Surface area | pH range | Tmax |
Capcell Pak ADME | Adamantyl | 2, 3, 5 µm | 100 Å | Polymer coating | 12% | N/A | 300 m2/g | 2.0-9.0 | N/A |
Capcell Pak ADME-HR | Adamantyl | 2, 3, 5 µm | 100 Å | N/A | 12% | N/A | 310 m²/g | 2.0-9.0 | N/A |
Capcell Pak INERT ADME-HR | Adamantyl | 3 µm | 100 Å | N/A | 12% | N/A | 310 m²/g | 2.0-9.0 | N/A |
Determination of acrylamide with CAPCELL PAK C18 AQ S3.
1. acrylamide
Test Conditions:
Column: CAPCELL PAK C18 AQ S3 ; 2.0 mm i.d. x 150 mm
Mobile Phase: 0.1 vol% HCOOH / CH3OH = 98.5 / 1.5
Flow rate: 200 μL/min
Temperature: 30°C
Detection: LC-MS/MS (SRM : Selected Reaction Monitoring)
Ionization: ESI +
Injection volume: 5 µL
Sample: dissolved in mobile phase