Secure storage units - Requirements, classification and methods of tests for resistance to burglary - Part 2: Deposit systems; German version EN 1143-2:2014
Edition 2014-09

Adhesives - Determination of pH; German version EN 1245:2011
Edition 2011-07

Surface active agents - Determination of pH value of solutions or dispersions; German version EN 1262:2003
Edition 2004-01

Secure storage units - Classification for high security locks according to their resistance to unauthorized opening; German version EN 1300:2023
Edition 2024-01

Surface active agents - Colorimetric characterization of optically clear coloured liquids (products) as X, Y, Z tristimulus values in transmission; German version EN 1557:1996
Edition 1997-03

Water quality - Determination of the threshold odour number (TON) and threshold flavour number (TFN); German version EN 1622:2006
Edition 2006-10

Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 4: Intrinsic characteristics - In situ values of sound diffraction; German and English version prEN 1793-4:2023
Edition 2023-08

Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 4: Intrinsic characteristics - In situ values of sound diffraction; German version EN 1793-4:2015
Edition 2015-05

Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 5: Intrinsic characteristics - In situ values of sound reflection under direct sound field conditions; German version EN 1793-5:2016+AC:2018
Edition 2018-12

Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 6: Intrinsic characteristics - In situ values of airborne sound insulation under direct sound field conditions; German version EN 1793-6:2018+A1:2021
Edition 2021-05