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Gas analysis — Contents of certificates for calibration gas mixtures — Amendment 1: Cross reference list to ISO Guide 31:2015 and ISO/IEC 17025:2017

60.60   Standard published

ISO/TC 158 more

Gas analysis — Preparation of calibration gas mixtures — Part 1: Gravimetric method for Class I mixtures

90.93   Standard confirmed

ISO/TC 158 more

Gas analysis — Preparation of calibration gas mixtures — Part 1: Gravimetric method for Class I mixtures — Amendment 1: Corrections to formulae in Annex E and Annex G

60.60   Standard published

ISO/TC 158 more

Gas analysis — Preparation of calibration gas mixtures — Part 2: Gravimetric method for Class II mixtures

60.60   Standard published

ISO/TC 158 more

Gas analysis — Comparison methods for determining and checking the composition of calibration gas mixtures

60.60   Standard published

ISO/TC 158 more

Gas analysis — Preparation of calibration gas mixtures — Static volumetric method

90.93   Standard confirmed

ISO/TC 158 more

Gas analysis — Preparation of calibration gas mixtures using dynamic methods — Part 1: General aspects

90.93   Standard confirmed

ISO/TC 158 more

Gas analysis — Preparation of calibration gas mixtures using dynamic volumetric methods — Part 10: Permeation method

90.93   Standard confirmed

ISO/TC 158 more

Gas analysis — Preparation of calibration gas mixtures using dynamic volumetric methods — Part 11: Electrochemical generation

90.93   Standard confirmed

ISO/TC 158 more

Gas analysis — Preparation of calibration gas mixtures using dynamic methods — Part 2: Piston pumps

90.93   Standard confirmed

ISO/TC 158 more

Gas analysis — Preparation of calibration gas mixtures using dynamic volumetric methods — Part 4: Continuous syringe injection method

90.92   Standard to be revised

ISO/TC 158 more

Gas analysis — Preparation of calibration gas mixtures using dynamic volumetric methods — Part 5: Capillary calibration devices

90.93   Standard confirmed

ISO/TC 158 more

Gas analysis — Preparation of calibration gas mixtures using dynamic methods — Part 6: Critical flow orifices

90.93   Standard confirmed

ISO/TC 158 more

Gas analysis — Preparation of calibration gas mixtures using dynamic methods — Part 7: Thermal mass-flow controllers

90.93   Standard confirmed

ISO/TC 158 more

Gas analysis — Preparation of calibration gas mixtures using dynamic volumetric methods — Part 8: Diffusion method

90.93   Standard confirmed

ISO/TC 158 more

Gas analysis — Preparation of calibration gas mixtures using dynamic volumetric methods — Part 9: Saturation method

90.93   Standard confirmed

ISO/TC 158 more

Photography — Micrographic films, spools and cores — Dimensions

90.93   Standard confirmed

ISO/TC 171 more

Connections for hydraulic fluid power and general use — Ports and stud ends with ISO 261 metric threads and O-ring sealing — Part 1: Ports with truncated housing for O-ring seal

60.60   Standard published

ISO/TC 131/SC 4 more