ČSN EN 18207

Algae and algae products - Determination of the uronic acids content of brown seaweed and alginate products

Available languages: English

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Detail information

Designation: ČSN EN 18207

Publication date: 01/10/2026

Pages: 24

Country: Czech technical standard

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Anotation

This document specifies a method for the quantitative determination of total uronic acids by High Performance Anion Exchange Chromatography coupled with Pulsed Amperometric Detection (HPAEC PAD) after acid hydrolysis of the samples for algae and algae products. It specifies a method for the determination in one single analysis of mannuronic, glucuronic and guluronic acids in brown seaweed, and mannuronic and guluronic acids in alginate products. The sum of the individual uronic acid values is used for determining the total uronic acid content

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