POLYGOSIL®
irregular silica phases for HPLC
Features

	irregular silica for analytical applications, pH stability 2 – 8 available pore sizes 60, 100, 300 and 1000 Å available particle sizes 5 µm, 7 µm and 10 µm Physical properties of unmodified POLYGOSIL® materials
	Phase	Pore size	Pore volume	Surface (BET)	Density	Pressure stability
	POLYGOSIL 60	60 Å	0.75 ml/g	350 m2/g	0.45 g/ml	600 bar
	POLYGOSIL 100	100 Å	1 ml/g	280 m2/g	0.35 g/ml	400 bar
	POLYGOSIL 300	300 Å	0.8 ml/g	100 m2/g	0.45 g/ml	400 bar
	POLYGOSIL 1000	1000 Å	0.8 ml/g	25 m2/g	0.45 g/ml	300 bar

Summary of available POLYGOSIL^® phases

Phase	Modification	Formula
POLYGOSIL C18	octadecyl	-(CH2)17-CH3
POLYGOSIL C8	octyl	-(CH2)7-CH3
POLYGOSIL C4	butyl	-(CH2)3-CH3
POLYGOSIL CN	cyano (nitrile)	-(CH2)3-CN
POLYGOSIL NO2	nitrophenyl	-(CH2)3-C6H4-NO2
POLYGOSIL NH2	aminopropyl	-(CH2)3-NH2
POLYGOSIL N(CH3)2	dimethylaminopropyl	-(CH2)3-N(CH3)2
POLYGOSIL	unmodified	· / ·