Q-Disc Comparison Guide - CEM EDGE system Manual

Q-Disc Comparison Guide

Select the appropriate Q-Disc for sample. Suggested sample types are listed below but are not the samples
applicable for each Q-Disc.
Analysis Type
Gas Chromatography
or Gravimetric
Liquid
Chromatography
NOTE
Q-Discs are listed in order of increasing porosity.
30
Suitable For
Dry samples
Wet or dry samples
Coarse samples (less than
270 mesh
Dry samples
Wet or dry samples
Samples less than or equal
to 5 g
Wet samples
Samples more than 5 g
Sample Types
Environmental samples including:
Solids & PUF filters
Total unbound fat food samples
Plastics
Wet, oily, or tar-like soil samples
Fine powder food samples that do
not drain with C1 or C3
Use for samples that do not drain
with the other C line filters
Pesticide residue in food
applications
Q-Discs
Q-Disc Caution
C1 or C3 Do not use if using water
for the extraction solvent
C4 or C7
C9 Do not use if using water
for the extraction solvent
Use as support disc for
M2
M1 Do not use if using water
for the extraction solvent
Do not use for wet
samples
M2 Always run with textured
side up in Q-Cup
Use C9 support below wet
samples
Do not heat above 100 °C
Only use with ACN,
alcohols, acetone, & H
G1 Always sandwich with C9
Q-Discs
O
2