Chemical
Chemical
KS ISO 6143:2001
Gas analysis - Comparison methods for determining and checking the composition of calibration gas mixtures.
Provides methods for -determining the composition of a calibration gas mixture by comparison with appropriate reference gas mixtures, -calculating the uncertainty of the composition of a calibration gas mixture in relation to the known uncertainty..
Kes 3,862.00
KS ISO 6141:2015
Gas analysis - Content of certificates for calibration gas mixtures.
Specifies minimum requirements for the contents of certificates for homogeneous gas mixtures in gas cylinders to be used as calibration gas mixtures...
Kes 2,884.00
KS ISO 14912:2003
Gas analysis - Conversion of gas mixture composition data
Applicable only to homogeneous and stable gas mixtures. Therefore any state conditions (pressure and temperature) considered need to be well outside the condensation region of the gas mixture and that of each of the specified analytes (see Annex ..
Kes 4,944.00
KS ISO 14167: 2018
Gas analysis - General quality aspects and metrological traceability of calibration gas mixtures
Provides requirements and guidelines on the necessary quality assurance required to produce calibration gas mixtures that are demonstrably stable and comparable..
Kes 3,437.00
KS ISO 16664:2017
Gas analysis - Handling of calibration gases and gas mixtures - Guidelines
Describes factors that may influence the composition of pure gases and homogeneous gas mixtures used for calibration purposes. This document only applies to gases or gas mixtures that are within the utilization period..
Kes 3,308.00
KS ISO 6142-1:2015
Gas analysis - Preparation of calibration gas mixture Part 1: Gravimetric method.
Specifies a gravimetric method for the preparation of calibration gas mixtures in cylinders with traceable values for the amount-of-substance fraction (amount fraction) of one or more components...
Kes 5,407.00
KS ISO 6144:2003
Gas analysis - Preparation of calibration gas mixture - Static volumetric method.
Specifies a method for the preparation of calibration gas mixtures by a static volumetric method and provides a procedure for calculating the volumetric composition of the mixture...
Kes 3,708.00
KS ISO 6145-6:2017
Gas analysis - Preparation of calibration gas mixtures using dynamic methods Part 6: Critical flow orifices.
Specifies a method for the dynamic preparation of calibration gas mixtures containing at least two gases (usually one of them is a complementary gas) from pure gases or gas pre-mixtures using critical flow orifices systems...
Kes 3,605.00
KS ISO 6145-2:2003
Gas analysis - Preparation of calibration gas mixtures using dynamic methods Part 2: Piston pumps.
Comprises a series of International Standards dealing with various dynamic methods used for the preparation of calibration gas mixtures...
Kes 3,708.00