Normas ISO

Health and safety in welding and allied processes — Sampling of airborne particles and gases in the operator's breathing zone — Part 1: Sampling of airborne particles

Health and safety in welding and allied processes — Sampling of airborne particles and gases in the operator's breathing zone — Part 2: Sampling of gases

Solder wire, solid and flux-cored — Specification and test methods — Part 2: Determination of flux content

Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon — Part 1: General information, terminology and sample preparation

Approaches for the production of reference materials with qualitative properties

Tissue paper and tissue products — Part 16: Determination of optical properties — Diffuse reflectance method for opacity (paper backing)