STB PDF

Measurement of radioactivity - Gamma emitting radionuclides - Reference measurement standard specifications for the calibration of gamma-ray spectrometers. Original standard BS ISO 23547-2022 in PDF full version. Additional info + preview on request

Document status: Active

Measurement of radioactivity - Alpha emitting radionuclides - Generic test method using alpha spectrometry. Original standard BS ISO 23548-2024 in PDF full version. Additional info + preview on request

Document status: Active

Safety and control devices for gas burners and gas-burning appliances. Particular requirements. Automatic and semi-automatic shut-off valves. Original standard BS ISO 23551-1-2024 in PDF full version. Additional info + preview on request

Document status: Active

Safety and control devices for gas burners and gas-burning appliances. Particular requirements - Vent valves. Original standard BS ISO 23551-10-2016 in PDF full version. Additional info + preview on request

Document status: Withdrawn

Safety and control devices for gas burners and gas-burning appliances. Particular requirements - Vent valves. Original standard BS ISO 23551-10-2025 in PDF full version. Additional info + preview on request

Document status: Active

Safety and control devices for gas burners and gas-burning appliances. Particular requirements. Automatic and semi-automatic shut-off valves for operating pressure of above 500 kPa up to and including 6 300 kPa. Original standard BS ISO 23551-11-2024 in PDF full version. Additional info + preview on request

Document status: Active