Para búsqueda de normas ISO e IEC, utilizar términos en inglés
Limpiar filtros Aplicar
Resultados para:
Número de resultados: 20
ISO 8112:2023 ISO
Estado: Published / 2023-07-17
Caprolactam for industrial use — Determination of colour of 50 % aqueous caprolactam solution, expressed in Hazen units (platinum-cobalt scale) — Spectrometric method
ISO 7059:2023 ISO
Caprolactam for industrial use — Determination of absorbance at a wavelength of 290 nm
ISO 8660:2002 ISO
Estado: Published / 2002-06-06
Plastics — Determination of permanganate absorption number of caprolactam — Spectrometric method
UNE 48171:1962 UNE
Estado: Anulada / 2018-01-25
Punto de anilina y anilina mezclada.
CTN 48 Pinturas y barnices
ISO 8661:1988 ISO
Estado: Withdrawn / 1988-05-19
Caprolactam for industrial use — Determination of volatile bases content — Titrimetric method after distillation
ISO 8660:1988 ISO
Estado: Withdrawn / 1988-04-14
Caprolactam for industrial use — Determination of permanganate index — Spectrometric method
ISO 8112:1984 ISO
Estado: Withdrawn / 1984-11-01
ISO 7059:1982 ISO
Estado: Withdrawn / 1982-12-01
ISO 7060:1982 ISO
Caprolactam for industrial use — Determination of crystallizing point
ISO 1592:1977 ISO
Estado: Withdrawn / 1977-11-01
Urea for industrial use — Determination of nitrogen content — Titrimetric method after distillation
ISO 1593:1977 ISO
Urea for industrial use — Determination of alkalinity — Titrimetric method
ISO 1594:1977 ISO
Urea for industrial use — Determination of ash
ISO 4274:1977 ISO
Estado: Withdrawn / 1977-10-01
Urea for industrial use — Determination of biuret content — Flame atomic absorption and photometric absorption methods
ISO 2750:1974 ISO
Estado: Withdrawn / 1974-08-01
Urea for industrial use — Measurement of colour in Hazen units (platinum-cobalt scale) of a urea-formaldehyde solution
ISO 2752:1973 ISO
Estado: Withdrawn / 1973-12-01
Urea for industrial use — Measurement of the variation of pH in the presence of formaldehyde — Potentiometric method
ISO 2753:1973 ISO
Urea for industrial use — Determination of water content — Karl Fischer method
ISO 2754:1973 ISO
Urea for industrial use — Determination of biuret content — Photometric method
ISO 2751:1973 ISO
Estado: Withdrawn / 1973-11-01
Urea for industrial use — Determination of the buffer coefficient — Potentiometric method
ISO 2749:1973 ISO
Urea for industrial use — Measurement of the pH of a solution of urea of conventional concentration (100 g/l) — Potentiometric method
ISO/R 1595:1970 ISO
Estado: Withdrawn / 1970-07-01
Urea for industrial use — Determination of iron content — 2,2'- Bipyridyl photometric method
