Waters Quattro Premier XE, Operator'S Manual, Page: 81 / 86

Solvents used to prepare mobile phases B-3
Solvents used to prepare mobile phases
The following lists the most common ingredients used to prepare mobile
phases for reverse-phase LC/MS (API):
• Water
• Methanol
• Acetonitrile
• Formic acid (<0.1%)
• Acetic acid (<0.1%)
• Trifluoroacetic acid (<0.1%)
• Ammonium acetate (<10 mM)
• Ammonium formate (<10 mM)
These solvents are not expected to cause any problems with the materials
identified in “Items exposed to solvent” on page B-2 .
Probe adjuster assembly Anodized aluminium, glass filled
acetal, and stainless steel
Probe shaft PEEK
Push-in gas fittings Nickel/brass
Solvent waste/leak management Tygon tubing
Source enclosure Alochromed aluminium
Source enclosure view port Toughened plate glass
Waste bottle Polypropylene
Waste bottle push-in fittings Nitrile butadiene rubber (NBR),
stainless steel, polybutylene
terephthalate (PBT), and
polyoxymethylene (POM)
Items exposed to solvent
Item Material