Nomura Chemical Develosil PAHS Guard Column, 5 µm, ID 4.6 mm x L 10 mm - PAHS546010W

• Product Description
• Details

Guard Column

Semi-micro Guard Column, not refillable, for inside diameter 1.0 mm, 1.5 mm and 2.0 mm in the PAHS (Polycyclic Aromatic Hydrocarbon series).

Reversed Phase (ODS) Develosil PAHS C18 Column

Develosil PAHS is a real polymeric ODS, and has the highest steric selectivity.

Available Inner Diameters

• Semi-micro column: 1.0 mm, 1.5 mm, 2.0 mm
• Conventional column: 3.0 mm, 4.0 mm, 4.6 mm, 6.0 mm
• Preparative column: 8.0 mm, 10 mm, 20 mm, 28 mm
• Large scale preparative column: 50 mm (for >10 or 15/30 um particle)

Available PAHS Particle Sizes: 

3 µm and 5 µm

Specifications

Functionatrity of C18	Trifunctional and polymeric
Ligand density (umol/g)	4.5
Carbon content (%)	23
Endcapping (TMS)	No
Pore diameter of silica (nm)	12
Surface area of silica (m2/g)	350
Hydrogen bonding capacity k(caffeine)/k'(phenol)	0.40
Hydrophobic consistency k'amylbenzene)/k'(butyl benzene)	1.58
Steric selectivity k(triphenylene)/k'(o-terphenyl)	2.72

Stability	pH 2-7.5
Retention	Moderate

• Model: PAHS546010W
• Manufactured by: Nomura Chemical Co. Ltd.

Guard Column

Semi-micro Guard Column, not refillable, for inside diameter 1.0 mm, 1.5 mm and 2.0 mm in the PAHS (Polycyclic Aromatic Hydrocarbon series).

Reversed Phase (ODS) Develosil PAHS C18 Column

Develosil PAHS is a real polymeric ODS, and has the highest steric selectivity.

Available Inner Diameters

• Semi-micro column: 1.0 mm, 1.5 mm, 2.0 mm
• Conventional column: 3.0 mm, 4.0 mm, 4.6 mm, 6.0 mm
• Preparative column: 8.0 mm, 10 mm, 20 mm, 28 mm
• Large scale preparative column: 50 mm (for >10 or 15/30 um particle)

Available PAHS Particle Sizes: 

3 µm and 5 µm

Specifications

Functionatrity of C18	Trifunctional and polymeric
Ligand density (umol/g)	4.5
Carbon content (%)	23
Endcapping (TMS)	No
Pore diameter of silica (nm)	12
Surface area of silica (m2/g)	350
Hydrogen bonding capacity k(caffeine)/k'(phenol)	0.40
Hydrophobic consistency k'amylbenzene)/k'(butyl benzene)	1.58
Steric selectivity k(triphenylene)/k'(o-terphenyl)	2.72

Stability	pH 2-7.5
Retention	Moderate

• Model: PAHS546010W
• Manufactured by: Nomura Chemical Co. Ltd.

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