Patent ID: 9499421
Filing Date: 2016-11-22
CPC Classification: B01D,C02F,G01N

Claim Text:
1. A method for removing chloride from samples containing volatile organic carbon, comprising the steps of: mixing a chloride containing sample with a low-volatile acid, wherein hydrochloric acid gas arises, which is present in dissolved form in the sample-acid mixture in a purging apparatus of an analytical apparatus; introducing a carrier gas into the purging apparatus and purging the hydrochloric acid gas with the carrier gas from the sample-acid mixture; following said purging, transporting the carrier gas with the hydrochloric acid gas into an absorption chamber of said analytical apparatus, said absorption chamber comprising a zone wetted with water, and removing the hydrochloric acid gas from the carrier gas by absorbing the hydrochloric acid gas by said water; and feeding the carrier gas back to the sample-acid mixture, wherein the sample-acid mixture has a temperature of approximately 3° C. to 30° C.