Ambient air. Measurement of the mass of particulate matter on a filter medium. Beta-ray absorption method

BS EN 14187-4 is the fourth part of the BS EN 14187 series of standards that describes a test method for determining the resistance of cold applied joint sealants to the action of liquid chemicals by measuring the change in mass and volume after immersion in test fuels or in liquid chemicals

2 is an MMS-based protocol

For non-planar samples

and acts on the RAC

This British Standard specifies the tolerances and limits for simple forms of limit gauges

What does this apply to

you can be ensured of the dimensions of aluminium and aluminium alloys extruded profile

liquefied gases with operating temperatures between 0 °C and –165 °C

Classification and use of internal wall and ceiling linings

— items that need to be considered when integrating biometrics into a commercial Identity Management Solutions

ISO 21927-4 is the fourth part in the multi-series that applies to the design and installation of natural smoke and heat exhaust ventilators (NSHEVs) for spaces from which smoke is extracted vertically by thermal buoyancy via the roof in the case of single-storey buildings and via the uppermost storey in the case of multi-story buildings

are within the scope of BS EN 60335-2-17