Normas ISO

ISO 17491-4:2008/Amd 1:2016

Steels -- Determination of total silicon contents -- Reduced molybdosilicate spectrophotometric method-- Part 2: Silicon contents between 0,01 % and 0,05 %

Vitreous and porcelain enamels -- Inside and outside enamelled valves and pressure pipe fittings for untreated and potable water supply -- Quality requirements and testing

Vitreous and porcelain enamels -- Glass-lined apparatus for process plants-- Part 5: Presentation and characterization of defects

Technical product documentation (TPD) -- Relief grooves -- Types and dimensioning

Guidelines for good XRF laboratory practice for the iron ore industry