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Número de resultados: 13
UNE-EN 14155:2004 UNE
Estado: Vigente / 2024-02-20
Derivados de la pirólisis del carbón. Materia prima de negro de carbono. Características y métodos de ensayo.
CTN 22 Materias primas minerales. Minería y explosivos
UNE 30033:1954 UNE
Estado: Vigente / 1954-11-15
Ensayo del carbón activo adsorbente.
CTN 30 Industria química inorgánica
ISO 3705:1976 ISO
Estado: Published / 1976-09-01
Sulphur for industrial use — Determination of arsenic content — Silver diethyldithiocarbamate photometric method
ISO 3704:1976 ISO
Sulphur for industrial use — Determination of acidity — Titrimetric method
ISO 1552:1976 ISO
Estado: Published / 1976-04-01
Liquid chlorine for industrial use — Method of sampling (for determining only the volumetric chlorine content)
ISO 3425:1975 ISO
Estado: Published / 1975-10-01
Sulphur for industrial use — Determination of ash at 850-900 degrees C and of residue at 200 degrees C
ISO 3426:1975 ISO
Estado: Published / 1975-07-01
Sulphur for industrial use — Determination of loss in mass at 80 degrees C
ISO 2121:1972 ISO
Estado: Published / 1972-07-01
Liquid chlorine for industrial use — Determination of water content — Gravimetric method
ISO 2120:1972 ISO
Estado: Published / 1972-06-01
Liquid chlorine for industrial use — Determination of the content of chlorine by volume in the vaporized product
ISO 5793:1978 ISO
Estado: Withdrawn / 1978-11-01
Sulphur for industrial use — Determination of chloride content — Photometric method
ISO 2202:1972/Add 1:1975 ISO
Estado: Withdrawn / 1975-07-01
Liquid chlorine for industrial use — Determination of water content using an electrolytic analyser — Addendum 1
ISO 2866:1974 ISO
Estado: Withdrawn / 1974-11-01
Sulphur for industrial use — Determination of total carbon content — Titrimetric method
ISO 2202:1972 ISO
Estado: Withdrawn / 1972-08-01
Liquid chlorine for industrial use — Determination of water content using an electrolytic analyser