Chemical Technology Standards
BS ISO 20203:2005
Carbonaceous materials used in the production of aluminium. Calcined coke. Determination of crystallite size of calcined...
BS ISO 20289:2018
Surface chemical analysis. Total reflection X-ray fluorescence analysis of water...
BS ISO 20292:2009
Materials for the production of primary aluminium. Dense refractory bricks. Determination of cryolite resistance...
BS ISO 20341:2003
Surface chemical analysis. Secondary-ion mass spectrometry. Method for estimating depth resolution parameters with multi...
BS ISO 20411:2018
Surface chemical analysis. Secondary ion mass spectrometry. Correction method for saturated intensity in single ion coun...
BS ISO 20579-4:2018
Surface chemical analysis. Guidelines to sample handling, preparation and mounting - Reporting information related to th...
BS ISO 20720:2018
Microbeam analysis. Methods of specimen preparation for analysis of general powders using WDS and EDS...
BS ISO 20903:2019
Surface chemical analysis. Auger electron spectroscopy and X-ray photoelectron spectroscopy. Methods used to determine p...
BS ISO 21087:2019
Gas analysis. Analytical methods for hydrogen fuel. Proton exchange membrane (PEM) fuel cell applications for road vehic...
BS ISO 21222:2020
Surface chemical analysis. Scanning probe microscopy. Procedure for the determination of elastic moduli for compliant ma...
BS ISO 21264:2019
Surface active agents. Detergents. Determination of alkylphenol ethoxylates...
BS ISO 21270:2004
Surface chemical analysis. X-ray photoelectron and Auger electron spectrometers. Linearity of intensity scale...
BS ISO 21390:2005
Oil of wintergreen, China [Gaultheria yunnanensis (Franch.) Rehd.], redistilled...
BS ISO 21631:2020
Essential oil of clementine (Citrus clementina hort. ex Tanaka syn. Citrus reticulata Blanco x Citrus sinensis (L.) Osbe...
BS ISO 21687:2007
Carbonaceous materials used in the production of aluminium. Determination of density by gas pyknometry (volumetric) usin...
BS ISO 22048:2004
Surface chemical analysis. Information format for static secondary-ion mass spectrometry...