Normas ISO

Copper, lead and zinc sulfide concentrates -- Determination of hygroscopic moisture in the analysis sample -- Gravimetric method

Copper, lead, zinc and nickel sulfide concentrates -- Determination of hygroscopic moisture content of the analysis sample -- Gravimetric method

Approval testing of welders -- Fusion welding-- Part 1: Steels

ISO 9606-1:1994/Amd 1:1998

Qualification testing of welders -- Fusion welding-- Part 1: Steels

Qualification test of welders -- Fusion welding-- Part 2: Aluminium and aluminium alloys