Gas analysis - Requirements for certificates for calibration gases and gas mixtures (ISO 6141:2000); German version prEN ISO 6141:2005
€56.17
Gas analysis - Preparation of calibration gas mixtures - Gravimetric method (ISO 6142:2001); German version prEN ISO 6142:2005
€111.40
Gas analysis - Comparison methods for determining and checking the composition of calibration gas mixtures (ISO 6143:2001); German Version prEN ISO 6143:2005
€105.42
Gas analysis - Preparation of calibration gas mixtures - Static volumetric method (ISO 6144:2003); German version prEN ISO 6144:2005
€98.32
Laboratory furniture - Fume cupboards - Part 2: Fume cupboards for increased acidic and heat load
€48.79
Prefabricated reinforced components of autoclaved aerated concrete; German version prEN 12602:2005
€229.44
Products used for treatment of water intended for human consumption - Manganese greensand; German version prEN 12911:2005
€77.20
pH-measurement - pH measuring chains
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
Laboratory glassware - Graduated pipettes (ISO/DIS 835:2006); German version prEN ISO 835:2006
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
