• Hydrogen Technologies Standards form the basic framework for market ramp-up

    More information

  • Climate change Standards and specifications support climate targets

    More information

  • Smart Farming Standards and specifications are drivers for the digitalization of agriculture

    More information
 

Publications of ISO/TC 132

ISO 4139 1979-05 Standards Ferrosilicon; determination of aluminium content; Flame atomic absorption spectrometric method More  Order from DIN Media
ISO 4140 1979-09 Standards Ferrochromium and ferrosilicochromium; Determination of chromium content; Potentiometric method More  Order from DIN Media
ISO 4158 1978-12 Standards Ferrosilicon, ferrosilicomanganese and ferrosilicochromium; Determination of silicon content; Gravimetric method More  Order from DIN Media
ISO 4159 1978-12 Standards Ferromanganese and ferrosilicomanganese; Determination of manganese content; Potentiometric method More  Order from DIN Media
ISO 4293 1982-08 Standards Manganese ores and concentrates; Determination of phosphorus content; Extraction-molybdovanadate photometric method More  Order from DIN Media
ISO 4295 1988-06 Standards Manganese ores and concentrates; determination of aluminium content; photometric and gravimetric methods More  Order from DIN Media
ISO 4296-1 1984-05 Standards Manganese ores; Sampling; Part 1 : Increment sampling More  Order from DIN Media
ISO 4296-2 1983-12 Standards Manganese ores; Sampling; Part 2 : Preparation of samples More  Order from DIN Media
ISO 4297 1978-07 Standards Manganese ores and concentrates; Methods of chemical analysis; General instructions More  Order from DIN Media
ISO 4298 2022-06 Standards Manganese ores and concentrates - Determination of manganese content - Potentiometric method More  Order from DIN Media

TOP