Plastics - Phenol-formaldehyde mouldings - Determination of free ammonia and ammonium compounds - Colorimetric comparison method

Ижил төстэй зүйлс

• Laboratory evaluation of disinfectant activity of quaternary ammonium compounds by auspension test procedure
  -н: 8096 British Standards Institution
  Хэвлэсэн: (1960)
• Reduction of ammonia loss through mixing urea with zeolite, peat soil water, and sago waste water
  -н: Omar, Latifah
  Хэвлэсэн: (2011)
• Ammonium sulphate in the 1970's
  -н: 2399 British Sulphur Corporation
  Хэвлэсэн: (1972)
• Spatiotemporal ammonia (HN3) emission and source detection in Brandenburg Germany
  -н: Christian Edgardo Saravia Solares
  Хэвлэсэн: (2024-09-01)
• Ammonium nitrate : supply/demand 1957-1977
  -н: 2399 British Sulphur Corporation
  Хэвлэсэн: (1970)