Summary of normal phases for SPE

Code	Matrix	Particle size	Pore size	Modification / Application
SiOH	silica	45 µm	60 Å	unmodified
NH2	silica	45 µm	60 Å	aminopropyl
DMA	silica	45 µm	60 Å	dimethylamino
OH	silica	45 µm	60 Å	diol
CN	silica	45 µm	60 Å	cyano (nitrile)
NO2	silica	45 µm	60 Å	nitrophenyl
Alox A	aluminium oxide, acidic	60 - 150 µm
Alox N	aluminium oxide, neutral	60 - 150 µm
Alox B	aluminium oxide, basic	60 - 150 µm
Florisil	magnesium silicate	150 – 250 μm
PA	polyamide 6	40 – 80 μm