Knauer AZURA P 2.1S, User Manual

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8 Intended Use
P 2.1S/P 4.1S user manual V6870, version 3.1
Eluents
Even small quantities of other substances, such as additives, modifiers, or salts
can influence the durability of the materials.
Note: The list of selected solvents was compiled based on research in the perti-
nent literature and is only a recommendation. If there is any doubt, contact the
Technical Support of the manufacturer.
Not suitable eluents

Halogenated hydrocarbons, e.g. Freon
®

Concentrated mineral and organic acids

Concentrated bases

Eluents containing particles

Perfluorinated eluents, e. g. Fluorinert
®
FC-75, FC-40

Perfluorinated polyether, e.g. Fomblin
®
Less suitable eluents

Dimethyl sulfoxide (DMSO)

Slightly volatile eluents

Methylene chloride

Tetrahydrofuran (THF)

Dilute phosphoric acid
Suitable eluents

Acetone at 4°-25° C (39.2°-77.0° F)
1

Acetonitrile

Benzene

Chloroform

Ethyl acetate

Ethanol

Hexane/heptane at 4°-25° C (39.2°-77.0° F)
1

Isopropanol

Carbon dioxide (liquid 99.999% CO
2
)

MethanolPhosphate buffer solutions (0.5 M)

Toluol

Dilute ammonia solution