Rubber — Determination of the mass concentration of tyre and road wear particles (TRWP) in soil and ...
ISO/TS 21396:2017 specifies a method for the determination of the soil or sediment mass concentration (μg/g) of tyre and road wear particles (TRWP) in environmental samples.
ISO/TS 21396:2017 establishes principles for soil or sediment sample collection, the generation of pyrolysis fragments from the sample, and the quantification of the generated polymer fragments. The quantified polymer mass is…
Security and resilience — Guidelines for crowd management
The document gives guidance on crowd management at events and mass gatherings. It provides principles applicable to any event but mainly to events gathering crowds.
This document will help hosts and organizers to plan and execute safe and successful crowd management by:
• introducing a set of principles and best practices for crowd management at events and mass gatherings;
• establishing…
Halogenated isobutene-isoprene rubber (BIIR and CIIR) — Evaluation procedures
ISO 7663:2014 specifies the following:
- physical and chemical tests on raw rubbers;
- standardized materials, a standardized test formulation, and the equipment and processing methods for evaluating the vulcanization characteristics of all types of halogenated isobutene-isoprene rubber (BIIR and CIIR).
Biocombustibles solides — Classes et spécifications des combustibles — Partie 5: Classes de bois de ...
Le présent document détermine les classes et spécifications de qualité du combustible pour le bois de chauffage. Le présent document couvre uniquement le bois de chauffage produit à partir des matières premières suivantes (voir ISO 17725-1:2021, Tableau 1):
— 1.1.1 Arbres entiers sans racines;
— 1.1.3 Grumes;
— 1.1.4 Rémanents forestiers (grosses branches, cimes, etc.);
— 1.2.1…
Steel and cast iron — Determination of manganese content — Spectrophotometric method
The method is applicable to products having manganese contents between 0,001 and 4 % (m/m). Gives principle, reagents, apparatus, sampling, procedure, expression of results and test report.
Geographic information — Data quality — Part 3: Data quality measures register
This International Standard specifies the process of establishing, maintaining and publishing a register of data quality measures in compliance with ISO 19135-1:2015. It identifies and describes the components and content structure of a register for data quality measures, and the registration and maintenance procedure. This International Standard also specifies the required machine-readable (XML…
