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COSMOSIL PYE and COSMOSIL NPE

Specialty for Structual Isomers / π-π interaction, charge transfer and stereo selectivity

COSMOSIL PYE (pyrenylethyl group bonded) and COSMOSIL NPE (nitrophenylethyl group bonded) column show unique retention characteristics based on multiple separation modes such as hydrophobic, charge transfer and π-π interactions. These columns are recommended for the separation of structural isomers.

 COSMOSIL 5PYECOSMOSIL 5NPE
Silica gel high purity spherical porous silica
Average particle size 5µm
Average pore size approx. 120Å
Specific surface area approx. 300m²/g
Stationary phase 2-(1-pyrenyl)ethyl group nitrophenylethyl group
End capping treatment near-perfect treatment

 

Separation of PAHs

Due to the planar pyrene ring structure and strong π-π interactions, COSMOSIL PYE achieves excellent separation of aromatic isomers.

Advantage of dipole-dipole interactions

COSMOSIL NPE retains 1, 8-dinitronaphthalene longer than 1, 5-dinitronaphthalene due to the dipole-dipole and π-π interactions.

Ordering Information

COSMOSIL 5NPE
Product Cat.No. End-Fitting Quantity Price(US$)  
COSMOSIL 5NPE Guard Column, 4.6 mm I.D. x 10 mm 37904-01 Waters type 1 pkg 400.00 Buy
COSMOSIL 5NPE Guard Column, 10.0 mm I.D. x 20 mm 38045-31 Waters type 1 pkg 800.00 Buy
COSMOSIL 5NPE Guard Column, 20.0 mm I.D. x 20 mm 05868-81 Waters type 1 pkg 2,960.00 Buy
COSMOSIL 5NPE Guard Column, 20.0 mm I.D. x 50 mm 05869-71 Waters type 1 pkg 3,380.00 Buy
COSMOSIL 5NPE Packed Column, 1.0 mm I.D. x 150 mm 05897-01 Waters type 1 pkg 950.00 Buy
COSMOSIL 5NPE Packed Column, 2.0 mm I.D. x 100 mm 34500-71 Waters type 1 pkg 800.00 Buy
COSMOSIL 5NPE Packed Column, 2.0 mm I.D. x 150 mm 34328-51 Waters type 1 pkg 850.00 Buy
COSMOSIL 5NPE Packed Column, 2.0 mm I.D. x 250 mm 34379-91 Waters type 1 pkg 1,210.00 Buy
COSMOSIL 5NPE Packed Column, 4.6 mm I.D. x 150 mm 37902-21 Waters type 1 pkg 850.00 Buy
COSMOSIL 5NPE Packed Column, 4.6 mm I.D. x 250 mm 37990-71 Waters type 1 pkg 1,080.00 Buy
COSMOSIL 5NPE Packed Column, 10.0 mm I.D. x 250 mm 05469-11 Waters type 1 pkg 3,580.00 Buy
COSMOSIL 5NPE Packed Column, 20.0 mm I.D. x 150 mm 02638-81 Waters type 1 pkg 10,420.00 Buy
COSMOSIL 5NPE Packed Column, 20.0 mm I.D. x 250 mm 38046-21 Waters type 1 pkg 11,670.00 Buy
COSMOSIL 5PYE
Product Cat.No. End-Fitting Quantity Price(US$)  
COSMOSIL 5PYE Guard Column, 4.6 mm I.D. x 10 mm 37903-11 Waters type 1 pkg 430.00 Buy
COSMOSIL 5PYE Guard Column, 10.0 mm I.D. x 20 mm 38041-71 Waters type 1 pkg 1,360.00 Buy
COSMOSIL 5PYE Guard Column, 20.0 mm I.D. x 20 mm 05867-91 Waters type 1 pkg 4,630.00 Buy
COSMOSIL 5PYE Guard Column, 20.0 mm I.D. x 50 mm 34475-21 Waters type 1 pkg 5,780.00 Buy
COSMOSIL 5PYE Packed Column, 1.0 mm I.D. x 50 mm 04681-41 Waters type 1 pkg 1,100.00 Buy
COSMOSIL 5PYE Packed Column, 1.0 mm I.D. x 150 mm 02851-71 Waters type 1 pkg 1,380.00 Buy
COSMOSIL 5PYE Packed Column, 2.0 mm I.D. x 100 mm 34501-61 Waters type 1 pkg 1,060.00 Buy
COSMOSIL 5PYE Packed Column, 2.0 mm I.D. x 150 mm 38042-61 Waters type 1 pkg 1,380.00 Buy
COSMOSIL 5PYE Packed Column, 2.0 mm I.D. x 250 mm 34450-31 Waters type 1 pkg 1,720.00 Buy
COSMOSIL 5PYE Packed Column, 4.6 mm I.D. x 50 mm 38043-51 Waters type 1 pkg 940.00 Buy
COSMOSIL 5PYE Packed Column, 4.6 mm I.D. x 100 mm 04672-61 Waters type 1 pkg 1,200.00 Buy
COSMOSIL 5PYE Packed Column, 4.6 mm I.D. x 150 mm 37837-91 Waters type 1 pkg 1,280.00 Buy
COSMOSIL 5PYE Packed Column, 4.6 mm I.D. x 250 mm 37989-11 Waters type 1 pkg 1,870.00 Buy
COSMOSIL 5PYE Packed Column, 10.0 mm I.D. x 250 mm 37996-11 Waters type 1 pkg 5,860.00 Buy
COSMOSIL 5PYE Packed Column, 20.0 mm I.D. x 150 mm 05948-31 Waters type 1 pkg 16,510.00 Buy
COSMOSIL 5PYE Packed Column, 20.0 mm I.D. x 250 mm 38044-41 Waters type 1 pkg 22,150.00 Buy
COSMOSIL 5PYE Packed Column, 28.0 mm I.D. x 250 mm 34300-91 Waters type 1 pkg N/A Inquire