Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon - Part 2: Determination of volatile components, total carbon, free carbon, silicon carbide, total and free silicon, free and surface silica (ISO/DIS 21068-2:2023); German and English version prEN ISO 21068-2:2023
Edition 2023-07

Food authenticity - Isotopic analysis of acetic acid and water in vinegar - Part 1: ²H-NMR analysis of acetic acid; German and English version prEN 16466-1:2023
Edition 2023-05

Milk and milk products - Determination of alkaline phosphatase activity - Part 2: Fluorimetric method for cheese (ISO/DIS 11816-2:2022); German and English version prEN ISO 11816-2:2022
Edition 2023-01

Dentistry - Dentifrices - Requirements, test methods and marking (ISO/DIS 11609:2024); German and English version prEN ISO 11609:2024
Edition 2024-10

Microbiology of the food chain - Determination and use of cardinal values (ISO/DIS 23691:2024); German and English version prEN ISO 23691:2024
Edition 2024-09

Aerospace series - Organic compounds - Test method - Analysis by infrared spectroscopy; German and English version EN 6042:2023
Edition 2024-03

Method of testing fly ash - Part 1: Determination of free calcium oxide content; German version EN 451-1:2017
Edition 2017-08

Ventilation for buildings - Performance testing of components/products for residential ventilation - Part 8: Performance testing of non-ducted mechanical supply and exhaust ventilation units (including heat recovery); German version EN 13141-8:2022
Edition 2023-06

Earthworks - Part 3: Construction procedures; German version EN 16907-3:2018
Edition 2019-04

Building lime - Part 2: Test methods; German version EN 459-2:2021
Edition 2021-09