Efficient extraction of bile acid conjugates with tetraheptylammonium chloride, a liquid ion exchanger.

Efficient extraction of bile acid conjugates with tetraheptylammonium chloride, a liquid ion exchanger.

Journal of lipid research (1967-01-01)

A F Hofmann

ABSTRACT

Ethyl acetate or chloroform solutions of tetraheptylammonium chloride, an oil-soluble quaternary amine, quantitatively extract polar, anionic lipids such as steroid or bile salt conjugates from aqueous solution by a process of anion exchange.

MATERIALS

Product Number

Brand

Product Description

87303

Sigma-Aldrich

Tetrahexylammonium hydrogensulfate, ≥98.0% (T)

87299

Supelco

Tetrahexylammonium hydrogensulfate, suitable for ion pair chromatography, LiChropur^™, ≥99.0% (T)

252816

Sigma-Aldrich

Tetrahexylammonium bromide, 99%

87297

Supelco

Tetrahexylammonium bromide, suitable for ion pair chromatography, LiChropur^™, ≥99.0% (AT)

263834

Sigma-Aldrich

Tetrahexylammonium chloride, 96%

87306

Sigma-Aldrich

Tetrahexylammonium hydroxide solution, ~40% in H₂O (T)