pH measurement - General terms and definitions
€34.30
Gas analysis - Conversion of gas mixture composition data (ISO 14912:2003); German version prEN ISO 14912:2005
€134.02
Gas analysis - Requirements for certificates for calibration gases and gas mixtures (ISO 6141:2000); German version prEN ISO 6141:2005
€56.17
pH-measurement - pH measuring chains
€48.79
pH-/redox-measurement - pH-/redox measuring apparatus - technical requirements
Determination of hydroxyl value - Part 2: Method with catalyst
€41.78
pH-measurement - pH-measurement of aqueous solutions with pH measuring chains with pH glass electrodes and evaluation of measurement uncertainty
€77.20
Gas analysis - Preparation of calibration gas mixtures using dynamic volumetric methods - Part 5: Capillary calibration devices (ISO 6145-5:2009); German version FprEN ISO 6145-5:2010
Gas analysis - Preparation of calibration gas mixtures using dynamic volumetric methods - Part 7: Thermal mass-flow controllers (ISO 6145-7:2009); German version FprEN ISO 6145-7:2010
€84.58
Gas analysis - Preparation of calibration gas mixtures using dynamic volumetric methods - Part 9: Saturation method (ISO 6145-9:2009); German version FprEN ISO 6145-9:2010
Breath alcohol test devices for general public - Requirements and test methods; German version prEN 16280:2011
€111.40
pH measurement - Technical buffer solutions, preferably for the calibration of technical measuring installations
Determination of hydroxyl value - Part 1: Method without catalyst
Bio-based products - Bio-based carbon content - Determination of the bio-based carbon content using the radiocarbon method; German version EN 16640:2017
Determination of hexavalent chromium in corrosion protection coatings - Part 3: Qualitative analysis - Spot test
