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Summary of normal phases for SPE
| Code |
Matrix |
Particle size |
Pore size |
Modification |
| SiOH |
silica |
45 µm |
60 Å |
unmodified |
| NH2 |
silica |
45 µm |
60 Å |
aminopropyl |
| OH |
silica |
45 µm |
60 Å |
diol |
| CN |
silica |
45 µm |
60 Å |
cyano (nitrile) |
| Alox A |
aluminium oxide, acidic |
60 – 150 µm |
|
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| Alox N |
aluminium oxide, neutral |
60 – 150 µm |
|
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| Alox B |
aluminium oxide, basic |
60 – 150 µm |
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| Florisil |
magnesium silicate |
150 – 250 μm |
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| PA |
polyamide 6 |
40 – 80 μm |
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