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GSO ISO 6142-2:2026
ISO 6142-2:2024
Gulf Standard
Gas analysis — Preparation of calibration gas mixtures — Part 2: Gravimetric method for Class II mixtures
ISO 25095-2:2026
International Standard
Propylene oxide for industrial use — Part 2: Determination of aldehydes by liquid chromatography
ISO/TR 4550:2026
International Standard
Surface chemical analysis — Surface chemical analysis of bacteria and biofilms
ISO 25095-1:2026
International Standard
Propylene oxide for industrial use — Part 1: Determination of purity and trace impurities by gas chromatography
GSO ASTM D6839:2025
ASTM D6839:21a
Gulf Standard
Standard Test Method for Hydrocarbon Types, Oxygenated Compounds, Benzene, and Toluene in Spark Ignition Engine Fuels by Multidimensional Gas Chromatography
GSO ISO 7431-1:2025
ISO 7431-1:2024
Gulf Standard
Thiourea for industrial use — Part 1: Test methods
ISO/TS 15338:2025
International Standard
Surface chemical analysis — Glow discharge mass spectrometry — Operating procedures
ISO 13084:2025
International Standard
Surface chemical analysis — Mass spectrometries — Calibration of the mass scale for a time-of-flight secondary ion mass spectrometer
ISO 20289:2025
International Standard
Surface chemical analysis — Total reflection X-ray fluorescence analysis of water
ISO 20579-2:2025
International Standard
Surface chemical analysis — Sample handling, preparation and mounting — Part 2: Documenting and reporting the preparation and mounting of specimens for analysis
ISO 16666:2025
International Standard
Surface chemical analysis — Total reflection X-ray fluorescence — Principles and general requirements
GSO ISO 5861:2025
ISO 5861:2024
Gulf Standard
Surface chemical analysis — X-ray photoelectron spectroscopy — Method of intensity calibration for quartz-crystal monochromated Al Kα XPS instruments