STM PDF

Petroleum and related products - Precision of measurement methods and results - Part 3- Monitoring and verification of published precision data in relation to methods of test. Original standard ISO 4259-3-2020 in PDF full version. Additional info + preview on request

Document status: Active

Petroleum and related products - Precision of measurement methods and results - Part 4- Use of statistical control charts to validate 'in-statistical-control' status for the execution of a standard test method in a single laboratory. Original standard ISO 4259-4-2021 in PDF full version. Additional info + preview on request

Document status: Active

Petroleum and related products - Precision of measurement methods and results - Part 5- Statistical assessment of agreement between two different measurement methods that claim to measure the same property. Original standard ISO 4259-5-2023 (2024) in PDF full version. Additional info + preview on request

Document status: Active

Wrought copper-zinc alloys - Chemical composition and forms of wrought products - Part 1- Non-leaded and special copper-zinc alloys. Original standard ISO 426-1-1983 in PDF full version. Additional info + preview on request

Document status: Withdrawn

Wrought copper-zinc alloys - Chemical composition and forms of wrought products - Part 2- Leaded copper-zinc alloys. Original standard ISO 426-2-1983 in PDF full version. Additional info + preview on request

Document status: Withdrawn

Petroleum products and hydrocarbons - Determination of sulfur content - Wickbold combustion method. Original standard ISO 4260-1987 in PDF full version. Additional info + preview on request

Document status: Withdrawn