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B.2
Solvent specifications
The following table identifies the recommended co-solvents to use with liquid CO
2
UPC
system. You can use up to 55% co-solvent with liquid CO
acceptable additives in the co-solvent.
Also listed are solvents that are not recommended for use in this system.
Table B–5:
Co-solvent usage
Recommended Solvents
(up to 55%)
Methanol
Ethanol
Isopropyl alcohol
Acetonitrile
B.3
Wetted materials
Review the wetted materials of construction to determine chemical compatibility.
Table B–6:
Diamond-like coating
ETFE
FEP
Fluoropolymer
UH MWPE
MP35N
®
Nitronic
60
Zirconium
Sapphire
Acceptable additives (up
to 0.2%)
Formic acid
Trifluoroacetic acid
Diethylamine
Triethylamine
Isopropylamine
Ammonia
ccBSM
November 16, 2016, 715004521 Rev. C
. When needed, use up to 5% of
2
Solvents not recommended
Toluene
Trichlorobenzene
Benzene
Brominated solvents
Butane
Carbon disulfide
Chlorinated solvents
Chloroform
Diethyl ether
PEEK™
PEEK blend
Perfluoroelastomer
Polyethylene
316 stainless steel
Titanium alloy
®
Tygon
2275
Ruby
Page 95
in the ACQUITY
2
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