prEN 18207
Algae and algae products – Determination of the Uronic Acids Content of Brown Seaweed and Alginate Products
Draft Public enquiryProject stage codes
1. Decision on WI Proposal
2. Projektas
3. Viešoji apklausa
From 2025-06-27
till 2025-08-26
4. Closure of enquiry
5. Submission to Formal Vote
Organisation
CEN Europos standartizacijos komitetasForeignTC'S
CEN/TC 454Number of comments
0Comment start date
2025-06-27Scope
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. It provides a single analysis method for determining mannuronic, glucuronic, and guluronic acids in brown seaweed and alginate products.