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COSMOSIL SL-II

Normal Phase

  • High purity silica gel (>99.99%) with specially treatment
  • Suitable for preparative separation
SL-II
USP code L3
Silica gel High purity porous spherical silica
Average particle size 3 µm, 5 µm, 15 µm
Average pore size approx. 120Å
Specific surface area approx. 300m2/g

Analysis of Acids and Amide without Ionic Additives

Column size: 4.6 mm I.D. x 250 mm
Mobile phase: Methanol : Hexane = 10 : 90
Flow rate: 1 ml/min
Temperature: 30°C
Detection: UV 254 nm, 0.5AUFS
Sample: 1. Benzoic Acid 4.0 µg
2. Salicylic Acid 6.0 µg
3. Salicylamide 4.0 µg

Comparison with Medium-pressure Columns

COSMOSIL SL-II offers sharper peak compared with packing materials for medium-pressure liquid chromatography and open chromatography.
Column 5SL-II A Company Cartridge
(30 µm silica gel)
B Company Cartridge
(60 µm silica gel)
Column Size 20 mm I.D. x 250 mm 26 mm I.D. x 104 mm 26 mm I.D. x 104 mm
Pressure 1.3 MPa 0.25 MPa 0.15 MPa
Chromatogram
Mobile phase: Ethanol : Hexane = 5 : 95
Flow rate: 10 ml/min
Temperature: Room Temperature
Detection: UV 254 nm
Sample: 1. p-Xylene 8.3 mg
2. Cinnamyl Alcohol 1.7 mg
3. p-Nitrobenzyl Alcohol 4.2 mg

Scaling Up from Analytical to Preparative Separation

COSMOSIL SL-II offers sharper peak compared with packing materials for medium-pressure liquid chromatography and open chromatography.
Step 1 Step 2 Step 3
Mobile phase is optimized by using 4.6 mm I.D. x 250 mm column Maximum load capacity is optimized by using 4.6 mm I.D. x 250 mm column Preparative separation by using 20 mm I.D. x 250 mm column
As mobile phase, highly soluble solvent for sample is suitable. Maximum injection volume 56 µl (28 mg) Maximum injection volume 1,050 µl (525 mg) (19 times higher than 4.6 mm I.D.)
Mobile phase: Ethyl Acetate : Hexane = 10 : 90
Flow rate: 4.6 mm I.D. : 1 ml/min
20 mm I.D. : 18.9 ml/min
Temperature: Room Temperature
Detection: UV 254 nm
Sample: 1.1-Naphthol
2.2-Naphthol

Downloads

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COSMOSIL Application Search

COSMOSIL Application, which includes more than 7,700 applications using COSMOSIL/COSMOCORE columns, is now usable by clicking the link below which is in Nacalai Tesque, Inc. The application is searchable by sample category, sample name, CAS No., column name and particle size

Ordering Information

3 µm particle size
Product Description Cat.No. PKG Size Price  
COSMOSIL 3SL-II Packed Column (2.0 mm I.D. x 150 mm) End-Fitting: Waters type 18282-41 1 pkg 612.00
Buy
COSMOSIL 3SL-II Packed Column (4.6 mm I.D. x 10 mm) End-Fitting: Waters type 38059-61 1 pkg 382.00
Buy
COSMOSIL 3SL-II Packed Column (4.6 mm I.D. x 50 mm) End-Fitting: Waters type 38060-21 1 pkg 400.00
Buy
COSMOSIL 3SL-II Packed Column (4.6 mm I.D. x 100 mm) End-Fitting: Waters type 38061-11 1 pkg 495.00
Buy
COSMOSIL 3SL-II Packed Column (4.6 mm I.D. x 150 mm) End-Fitting: Waters type 02266-51 1 pkg 559.00
Buy
COSMOSIL 3SL-II Packed Column (4.6 mm I.D. x 250 mm) End-Fitting: Waters type 19400-51 1 pkg 695.00
Buy
COSMOSIL 3SL-II Packed Column (6.0 mm I.D. x 100 mm) End-Fitting: Waters type 09192-01 1 pkg 924.00
Buy
5 µm, 15 µm particle size
Product Description Cat.No. PKG Size Price  
COSMOSIL 5SL-II Packed Column (1.0 mm I.D. x 100 mm) End-Fitting: Waters type 08978-51 1 pkg 588.00
Buy
COSMOSIL 5SL-II Packed Column (2.0 mm I.D. x 150 mm) End-Fitting: Waters type 19547-51 1 pkg 565.00
Buy
COSMOSIL 5SL-II Packed Column (2.0 mm I.D. x 250 mm) End-Fitting: Waters type 06945-31 1 pkg 624.00
Buy
COSMOSIL 5SL-II Packed Column (3.0 mm I.D. x 150 mm) End-Fitting: Waters type 07380-91 1 pkg 470.00
Buy
COSMOSIL 5SL-II Packed Column (4.6 mm I.D. x 50 mm) End-Fitting: Waters type 37999-81 1 pkg 382.00
Buy
COSMOSIL 5SL-II Packed Column (4.6 mm I.D. x 100 mm) End-Fitting: Waters type 38000-01 1 pkg 518.00
Buy
COSMOSIL 5SL-II Packed Column (4.6 mm I.D. x 150 mm) End-Fitting: Waters type 38001-91 1 pkg 470.00
Buy
COSMOSIL 5SL-II Packed Column (4.6 mm I.D. x 250 mm) End-Fitting: Waters type 38002-81 1 pkg 518.00
Buy
COSMOSIL 5SL-II Packed Column (6.0 mm I.D. x 150 mm) End-Fitting: Waters type 38003-71 1 pkg 595.00
Buy
COSMOSIL 5SL-II Packed Column (6.0 mm I.D. x 250 mm) End-Fitting: Waters type 38004-61 1 pkg 765.00
Buy
COSMOSIL 5SL-II Packed Column (10.0 mm I.D. x 250 mm) End-Fitting: Waters type 38005-51 1 pkg 1,065.00
Buy
COSMOSIL 5SL-II Packed Column (20.0 mm I.D. x 150 mm) End-Fitting: Waters type 04668-31 1 pkg 2,000.00
Buy
COSMOSIL 5SL-II Packed Column (20.0 mm I.D. x 250 mm) End-Fitting: Waters type 38006-41 1 pkg 2,236.00
Buy
COSMOSIL 5SL-II Packed Column (28.0 mm I.D. x 250 mm) End-Fitting: Waters type 34358-61 1 pkg 4,472.00
Buy
COSMOSIL 15SL-II Packed Column (28.0 mm I.D. x 250 mm) End-Fitting: Waters type 05893-41 1 pkg 3,449.00
Buy
COSMOSIL 15SL-II Packed Column (50.0 mm I.D. x 250 mm) End-Fitting: Waters type 05895-21 1 pkg 5,461.00
Buy
COSMOSIL 15SL-II Packed Column (50.0 mm I.D. x 500 mm) End-Fitting: Waters type 05896-11 1 pkg 8,203.00
Buy
Guard Column
Product Description Cat.No. PKG Size Price  
COSMOSIL 5SL-II Guard Column (4.6 mm I.D. x 10 mm) End-Fitting: Waters type 37997-01 1 pkg 235.00
Buy
COSMOSIL 5SL-II Guard Column (10.0 mm I.D. x 20 mm) End-Fitting: Waters type 37998-91 1 pkg 407.00
Buy
COSMOSIL 5SL-II Guard Column (20.0 mm I.D. x 20 mm) End-Fitting: Waters type 05874-91 1 pkg 888.00
Buy
COSMOSIL 5SL-II Guard Column (20.0 mm I.D. x 50 mm) End-Fitting: Waters type 05875-81 1 pkg 1,201.00
Buy
COSMOSIL 5SL-II Guard Column (28.0 mm I.D. x 50 mm) End-Fitting: Waters type 34359-51 1 pkg 2,101.00
Buy
COSMOSIL 15SL-II Guard Column (28.0 mm I.D. x 50 mm) End-Fitting: Waters type 05892-51 1 pkg 1,930.00
Buy
COSMOSIL 15SL-II Guard Column (50.0 mm I.D. x 50 mm) End-Fitting: Waters type 05894-31 1 pkg 4,537.00
Buy