COSMOSIL 5nNap 5 µm HPLC Columns

Specialty for Structural Isomers / π-π interaction, excellent selectivity for unsaturated compounds

Separation of unsaturated compounds on conventional reversed phase columns such as C8 and C18 is often problematic. Phenyl stationary phases are commonly used for these compounds because they form π-π interactions and show different selectivity from conventional alkyl phases. However, the π-π interactions on phenyl stationary phases are moderate, and the separation for some unsaturated compounds are still insufficient.

COSMOSIL πNAP is a Reversed Phase HPLC Column with naphtylethyl group bonded silica packing material. The naphthylethyl group is composed of two fused aromatic rings and forms strong π-π interactions with unsaturated compounds. This column offers improved selectivity for structural isomers that exhibit differences in saturation.

COSMOSIL πNAP
USP code	L-11
Silica gel	High purity porous spherical silica
Average particle size	2.5 µm 2.5nNap	3 µm 3nNap	5 µm 5nNap
Average pore size	approx. 130 Å	approx. 120 Å	approx. 120Å
Specific surface area	approx. 330m²/g	approx. 300 m²/g	approx. 300 m²/g
Stationary phase	Naphtylethyl group
Bonding type	Monomeric
Carbon content	approx. 11%	-	approx. 11%
Usable pH range	2 - 7.5

Displaying 1 to 20 (of 30 products)

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Item Name	Product Image	Price
Nacalai Tesque COSMOSIL 5πNAP Microbore Analytical HPLC Column, 5 µm, 120 Å, 1 x 150 mm, 1/Pk - 08076-61 COSMOSIL πNAP Nacalai Tesque COSMOSIL 5πNAP Microbore Analytical HPLC Column, 5µm, 120Å, 1mm I.D. x 150mm Length, 1/Pk Product Number: 08076-61 Specialty for Structural Isomers / π-π interaction, excellent selectivity for...		£451.00
Nacalai Tesque COSMOSIL 5πNAP Microbore Analytical HPLC Column, 5 µm, 120 Å, 1 x 250 mm, 1/Pk - 08077-51 COSMOSIL πNAP Nacalai Tesque COSMOSIL 5πNAP Microbore Analytical HPLC Column, 5µm, 120Å, 1mm I.D. x 250mm Length, 1/Pk Product Number: 08077-51 Specialty for Structural Isomers / π-π interaction, excellent selectivity for...		£500.00
Nacalai Tesque COSMOSIL 5πNAP Microbore Analytical HPLC Column, 5 µm, 120 Å, 2 x 100 mm, 1/Pk - 08299-51 COSMOSIL πNAP Nacalai Tesque COSMOSIL 5πNAP Microbore Analytical HPLC Column, 5µm, 120Å, 2mm I.D. x 100mm Length, 1/Pk Product Number: 08299-51 Specialty for Structural Isomers / π-π interaction, excellent selectivity for...		£348.00
Nacalai Tesque COSMOSIL 5πNAP Microbore Analytical HPLC Column, 5 µm, 120 Å, 2 x 150 mm, 1/Pk - 08078-41 COSMOSIL πNAP Nacalai Tesque COSMOSIL 5πNAP Microbore Analytical HPLC Column, 5µm, 120Å, 2mm I.D. x 150mm Length, 1/Pk Product Number: 08078-41 Specialty for Structural Isomers / π-π interaction, excellent selectivity for...		£375.00
Nacalai Tesque COSMOSIL 5πNAP Microbore Analytical HPLC Column, 5 µm, 120 Å, 2 x 250 mm, 1/Pk - 08079-31 COSMOSIL πNAP Nacalai Tesque COSMOSIL 5πNAP Microbore Analytical HPLC Column, 5µm, 120Å, 2mm I.D. x 250mm Length, 1/Pk Product Number: 08079-31 Specialty for Structural Isomers / π-π interaction, excellent selectivity for...		£437.00
Nacalai Tesque COSMOSIL 5πNAP Microbore Analytical HPLC Column, 5 µm, 120 Å, 2 x 30 mm, 1/Pk - 08566-41 COSMOSIL πNAP Nacalai Tesque COSMOSIL 5πNAP Microbore Analytical HPLC Column, 5µm, 120Å, 2mm I.D. x 30mm Length, 1/Pk Product Number: 08566-41 Specialty for Structural Isomers / π-π interaction, excellent selectivity for...		£337.00
Nacalai Tesque COSMOSIL 5πNAP Microbore Analytical HPLC Column, 5 µm, 120 Å, 2 x 50 mm, 1/Pk - 08567-31 COSMOSIL πNAP Nacalai Tesque COSMOSIL 5πNAP Microbore Analytical HPLC Column, 5µm, 120Å, 2mm I.D. x 50mm Length, 1/Pk Product Number: 08567-31 Specialty for Structural Isomers / π-π interaction, excellent selectivity for...		£337.00
Nacalai Tesque COSMOSIL 5πNAP Analytical HPLC Column, 5 µm, 120 Å, 3 x 150 mm, 1/Pk - 08080-91 COSMOSIL πNAP Nacalai Tesque COSMOSIL 5πNAP Analytical HPLC Column, 5µm, 120Å, 3mm I.D. x 150mm Length, 1/Pk Product Number: 08080-91 Specialty for Structural Isomers / π-π interaction, excellent selectivity for unsaturated...		£358.00
Nacalai Tesque COSMOSIL 5πNAP Analytical HPLC Column, 5 µm, 120 Å, 3 x 250 mm, 1/Pk - 08081-81 COSMOSIL πNAP Nacalai Tesque COSMOSIL 5πNAP Analytical HPLC Column, 5µm, 120Å, 3mm I.D. x 250mm Length, 1/Pk Product Number: 08081-81 Specialty for Structural Isomers / π-π interaction, excellent selectivity for unsaturated...		£434.00
Nacalai Tesque COSMOSIL 5πNAP Analytical HPLC Column, 5 µm, 120 Å, 4.6 x 100 mm, 1/Pk - 08084-51 COSMOSIL πNAP Nacalai Tesque COSMOSIL 5πNAP Analytical HPLC Column, 5µm, 120Å, 4.6mm I.D. x 100mm Length, 1/Pk Product Number: 08084-51 Specialty for Structural Isomers / π-π interaction, excellent selectivity for unsaturated...		£323.00
Nacalai Tesque COSMOSIL 5πNAP Analytical HPLC Column, 5 µm, 120 Å, 4.6 x 150 mm, 1/Pk - 08085-41 COSMOSIL πNAP Nacalai Tesque COSMOSIL 5πNAP Analytical HPLC Column, 5µm, 120Å, 4.6mm I.D. x 150mm Length, 1/Pk Product Number: 08085-41 Specialty for Structural Isomers / π-π interaction, excellent selectivity for unsaturated...		£344.00
Nacalai Tesque COSMOSIL 5πNAP Analytical HPLC Column, 5 µm, 120 Å, 4.6 x 250 mm, 1/Pk - 08086-31 COSMOSIL πNAP Nacalai Tesque COSMOSIL 5πNAP Analytical HPLC Column, 5µm, 120Å, 4.6mm I.D. x 250mm Length, 1/Pk Product Number: 08086-31 Specialty for Structural Isomers / π-π interaction, excellent selectivity for unsaturated...		£416.00
Nacalai Tesque COSMOSIL 5πNAP Analytical HPLC Column, 5 µm, 120 Å, 4.6 x 50 mm, 1/Pk - 08083-61 COSMOSIL πNAP Nacalai Tesque COSMOSIL 5πNAP Analytical HPLC Column, 5µm, 120Å, 4.6mm I.D. x 50mm Length, 1/Pk Product Number: 08083-61 Specialty for Structural Isomers / π-π interaction, excellent selectivity for unsaturated...		£323.00
Nacalai Tesque COSMOSIL 5πNAP Analytical HPLC Guard Column, 5 µm, 120 Å, 4.6 x 10 mm, 1/Pk - 08082-71 COSMOSIL πNAP Nacalai Tesque COSMOSIL 5πNAP Analytical HPLC Guard Column, 5µm, 120Å, 4.6mm I.D. x 10mm Length, 1/Pk Product Number: 08082-71 Specialty for Structural Isomers / π-π interaction, excellent selectivity for unsaturated...		£165.00
Nacalai Tesque COSMOSIL 5πNAP Semi-preparative HPLC Column, 5 µm, 120 Å, 6 x 150 mm, 1/Pk - 08249-01 COSMOSIL πNAP Nacalai Tesque COSMOSIL 5πNAP Semi-preparative HPLC Column, 5µm, 120Å, 6mm I.D. x 150mm Length, 1/Pk Product Number: 08249-01 Specialty for Structural Isomers / π-π interaction, excellent selectivity for unsaturated...		£506.00
Nacalai Tesque COSMOSIL 5πNAP Semi-preparative HPLC Column, 5 µm, 120 Å, 6 x 250 mm, 1/Pk - 08248-11 COSMOSIL πNAP Nacalai Tesque COSMOSIL 5πNAP Semi-preparative HPLC Column, 5µm, 120Å, 6mm I.D. x 250mm Length, 1/Pk Product Number: 08248-11 Specialty for Structural Isomers / π-π interaction, excellent selectivity for unsaturated...		£586.00
Nacalai Tesque COSMOSIL 5πNAP Semi-preparative HPLC Column, 5 µm, 120 Å, 10 x 100 mm, 1/Pk - 16595-11 COSMOSIL πNAP Nacalai Tesque COSMOSIL 5πNAP Semi-preparative HPLC Column, 5µm, 120Å, 10mm I.D. x 100mm Length, 1/Pk Product Number: 16595-11 Specialty for Structural Isomers / π-π interaction, excellent selectivity for unsaturated...		£676.00
Nacalai Tesque COSMOSIL 5πNAP Semi-preparative HPLC Column, 5 µm, 120 Å, 10 x 150 mm, 1/Pk - 08088-11 COSMOSIL πNAP Nacalai Tesque COSMOSIL 5πNAP Semi-preparative HPLC Column, 5µm, 120Å, 10mm I.D. x 150mm Length, 1/Pk Product Number: 08088-11 Specialty for Structural Isomers / π-π interaction, excellent selectivity for unsaturated...		£833.00
Nacalai Tesque COSMOSIL 5πNAP Semi-preparative HPLC Column, 5 µm, 120 Å, 10 x 250 mm, 1/Pk - 08089-01 COSMOSIL πNAP Nacalai Tesque COSMOSIL 5πNAP Semi-preparative HPLC Column, 5µm, 120Å, 10mm I.D. x 250mm Length, 1/Pk Product Number: 08089-01 Specialty for Structural Isomers / π-π interaction, excellent selectivity for unsaturated...		£936.00
Nacalai Tesque COSMOSIL 5πNAP Semi-preparative HPLC Column, 5 µm, 120 Å, 10 x 50 mm, 1/Pk - 16594-21 COSMOSIL πNAP Nacalai Tesque COSMOSIL 5πNAP Semi-preparative HPLC Column, 5µm, 120Å, 10mm I.D. x 50mm Length, 1/Pk Product Number: 16594-21 Specialty for Structural Isomers / π-π interaction, excellent selectivity for unsaturated...		£598.00

Displaying 1 to 20 (of 30 products)

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COSMOSIL 5nNap 5 µm HPLC Columns

Nacalai Tesque COSMOSIL 5πNAP Microbore Analytical HPLC Column, 5 µm, 120 Å, 1 x 150 mm, 1/Pk - 08076-61

Nacalai Tesque COSMOSIL 5πNAP Microbore Analytical HPLC Column, 5 µm, 120 Å, 1 x 250 mm, 1/Pk - 08077-51

Nacalai Tesque COSMOSIL 5πNAP Microbore Analytical HPLC Column, 5 µm, 120 Å, 2 x 100 mm, 1/Pk - 08299-51

Nacalai Tesque COSMOSIL 5πNAP Microbore Analytical HPLC Column, 5 µm, 120 Å, 2 x 150 mm, 1/Pk - 08078-41

Nacalai Tesque COSMOSIL 5πNAP Microbore Analytical HPLC Column, 5 µm, 120 Å, 2 x 250 mm, 1/Pk - 08079-31

Nacalai Tesque COSMOSIL 5πNAP Microbore Analytical HPLC Column, 5 µm, 120 Å, 2 x 30 mm, 1/Pk - 08566-41

Nacalai Tesque COSMOSIL 5πNAP Microbore Analytical HPLC Column, 5 µm, 120 Å, 2 x 50 mm, 1/Pk - 08567-31

Nacalai Tesque COSMOSIL 5πNAP Analytical HPLC Column, 5 µm, 120 Å, 3 x 150 mm, 1/Pk - 08080-91

Nacalai Tesque COSMOSIL 5πNAP Analytical HPLC Column, 5 µm, 120 Å, 3 x 250 mm, 1/Pk - 08081-81

Nacalai Tesque COSMOSIL 5πNAP Analytical HPLC Column, 5 µm, 120 Å, 4.6 x 100 mm, 1/Pk - 08084-51

Nacalai Tesque COSMOSIL 5πNAP Analytical HPLC Column, 5 µm, 120 Å, 4.6 x 150 mm, 1/Pk - 08085-41

Nacalai Tesque COSMOSIL 5πNAP Analytical HPLC Column, 5 µm, 120 Å, 4.6 x 250 mm, 1/Pk - 08086-31

Nacalai Tesque COSMOSIL 5πNAP Analytical HPLC Column, 5 µm, 120 Å, 4.6 x 50 mm, 1/Pk - 08083-61

Nacalai Tesque COSMOSIL 5πNAP Analytical HPLC Guard Column, 5 µm, 120 Å, 4.6 x 10 mm, 1/Pk - 08082-71

Nacalai Tesque COSMOSIL 5πNAP Semi-preparative HPLC Column, 5 µm, 120 Å, 6 x 150 mm, 1/Pk - 08249-01

Nacalai Tesque COSMOSIL 5πNAP Semi-preparative HPLC Column, 5 µm, 120 Å, 6 x 250 mm, 1/Pk - 08248-11

Nacalai Tesque COSMOSIL 5πNAP Semi-preparative HPLC Column, 5 µm, 120 Å, 10 x 100 mm, 1/Pk - 16595-11

Nacalai Tesque COSMOSIL 5πNAP Semi-preparative HPLC Column, 5 µm, 120 Å, 10 x 150 mm, 1/Pk - 08088-11

Nacalai Tesque COSMOSIL 5πNAP Semi-preparative HPLC Column, 5 µm, 120 Å, 10 x 250 mm, 1/Pk - 08089-01

Nacalai Tesque COSMOSIL 5πNAP Semi-preparative HPLC Column, 5 µm, 120 Å, 10 x 50 mm, 1/Pk - 16594-21

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