Каталог стандартов

71.080.30 - Organic nitrogen compounds

  • Фильтр:
  •  
  •  
  •  
  •  
Стандарт и/или проект Этап ТК
ISO 1592:1977 [Withdrawn]
Urea for industrial use -- Determination of nitrogen content -- Titrimetric method after distillation
95.99 ISO/TC 47
ISO 1593:1977 [Withdrawn]
Urea for industrial use -- Determination of alkalinity -- Titrimetric method
95.99 ISO/TC 47
ISO 1594:1977 [Withdrawn]
Urea for industrial use -- Determination of ash
95.99 ISO/TC 47
ISO/R 1595:1970 [Withdrawn]
Urea for industrial use -- Determination of iron content -- 2,2'- Bipyridyl photometric method
95.99 ISO/TC 47
ISO 2749:1973 [Withdrawn]
Urea for industrial use -- Measurement of the pH of a solution of urea of conventional concentration (100 g/l) -- Potentiometric method
95.99 ISO/TC 47
ISO 2750:1974 [Withdrawn]
Urea for industrial use -- Measurement of colour in Hazen units (platinum-cobalt scale) of a urea-formaldehyde solution
95.99 ISO/TC 47
ISO 2751:1973 [Withdrawn]
Urea for industrial use -- Determination of the buffer coefficient -- Potentiometric method
95.99 ISO/TC 47
ISO 2752:1973 [Withdrawn]
Urea for industrial use -- Measurement of the variation of pH in the presence of formaldehyde -- Potentiometric method
95.99 ISO/TC 47
ISO 2753:1973 [Withdrawn]
Urea for industrial use -- Determination of water content -- Karl Fischer method
95.99 ISO/TC 47
ISO 2754:1973 [Withdrawn]
Urea for industrial use -- Determination of biuret content -- Photometric method
95.99 ISO/TC 47
ISO 4274:1977 [Withdrawn]
Urea for industrial use -- Determination of biuret content -- Flame atomic absorption and photometric absorption methods
95.99 ISO/TC 47
ISO 7059:1982
Caprolactam for industrial use -- Determination of absorbance at a wavelength of 290 nm
90.93 ISO/TC 61/SC 5
ISO 7060:1982 [Withdrawn]
Caprolactam for industrial use -- Determination of crystallizing point
95.99 ISO/TC 61/SC 5
ISO 8112:1984
Caprolactam for industrial use -- Determination of colour of 50 % aqueous caprolactam solution, expressed in Hazen units (platinum-cobalt scale) -- Spectrometric method
90.93 ISO/TC 61/SC 5
ISO 8660:1988 [Withdrawn]
Caprolactam for industrial use -- Determination of permanganate index -- Spectrometric method
95.99 ISO/TC 61/SC 5
ISO 8660:2002
Plastics -- Determination of permanganate absorption number of caprolactam -- Spectrometric method
90.93 ISO/TC 61/SC 5
ISO 8661:1988
Caprolactam for industrial use -- Determination of volatile bases content -- Titrimetric method after distillation
90.93 ISO/TC 61/SC 5

По запросу ничего не найдено