GE akta pure Operating Instructions Manual page 144

8 Reference information
8.2 Chemical resistance guide
8.2.2 Chemical resistance specifications
Chemical
Acetonitrile/water/Trifluo-
roacetic acid (TFA)
Ethanol
Isopropanol
Methanol
Water/organic mobile
phase/formic acid
1
2
Note:
Salts and additives for
hydrophobic interaction
chromatography (HIC)
The following chemicals are suitable for continuous use.
Chemical
Ammonium chloride
Ammonium sulfate
Ethylene glycol
Glycerol
144
2
Organic solvents can penetrate weaknesses in PEEK tubing walls more easily than water based
buffers. Special care should therefore be taken with prolonged use of organic solvents close
to pressure limits.
Depending on pressure, tubing between pump head and pressure monitor needs to be changed.
See ÄKTA pure User Manual for more information.
Mobile phase system.
It is recommended to replace the mixer sealing ring with the highly resistant
O-ring (product code 29-0113-26) if the system is to be exposed to organic
solvents or high concentrations of organic acids, such as acetic acid and formic
acid, for a longer period of time.
Concentra- CAS no/EC no
tion
Max 0.2% N/A
TFA
100% 75-08-1/ 200-837-3
100% 67-63-0/ 200-661-7
100% 74-93-1/ 200-659-6
Max 5% N/A
formic acid
Concentra- CAS no/EC no
tion
2 M 12125-02-9/ 235-186-4
3 M 7783-20-2/ 231-984-1
50% 107-21-1/ 203-473-3
50% 56-81-5/ 200-289-5
ÄKTA pure Operating Instructions 29022997 AF