Nanjing Chemical Material Corp.
Service
Products

Preparation Of Ammonium Iodide​ Preparation Of Ammonium Iodide​

254 g of potassium iodide dissolved in 125 ml of water are mixed with 100 g of ammonium sulfate dissolved in 125 ml of boiling water.

After cooling, 40 ml of alcohol are added and the mixture is kept 12 hours. The obtained precipitate of potassium sulfate is filtered and the filtrate is evaporated occasionally adding ammonia water containing some alcohol, until crystallization begins.

The crystals of potassium sulfate are additionally washed with dilute alcohol (20%), and after combining the filtrates and evaporation the ammonium iodide is obtained. Ammonium iodide crystallizes in cubes and deliquesces in the air. It should be preserved in a dark place, as light decomposes the salt, causing it to turn brown. This coloration may be removed by dissolving in distilled water, treating the solution with ammonium sulfide, filtering, and evaporating the filtrate on the steam bath, to crystallize. It is readily soluble in alcohol.

The aqueous solution becomes yellow on standing, owing to decomposition and separation of iodine.

One part of the salt dissolves in 0.60 part of water.

Preparation Of Ammonium Iodide


Related News
  • 79th API China

    79th API China

    January 31, 2018November 15-17, 2017Xiamen International Convention and Exhibition CenterAPI China is China's leading exhibition for the pharmaceutical manufacturing sector covering the complete spectrum of products ...view
  • Preparation of Ethyl Iodide

    Preparation of Ethyl Iodide

    April 29, 2019Ethyl iodide is usually reacted with ethanol, iodine and red phosphorus, but the reaction is slow, and it needs to be heated in a reflux device for several hours.view
  • Application of α-olefin Sulfonate

    Application of α-olefin Sulfonate

    April 21, 2020AOS (α-olefin sulfonate sodium salt) has very good comprehensive properties. It has mature technology, reliable quality and good detergency. Especially in hard water, it also shows the characteristic...view
  • Applications of 3-(2,3-glycidoxy) Propyl Trimethoxysilane

    Applications of 3-(2,3-glycidoxy) Propyl Trimethoxysilane

    September 24, 20203-(2,3-glycidoxy)propyl trimethoxysilane is a colorless liquid that can be dissolved in ethanol, acetone, benzene and gasoline. Nanjing Chemical Material Corp. is a professional 3-(2,3-Epoxypropoxy)pr...view
  • Role And Types of Surfactants

    Role And Types of Surfactants

    March 4, 2021Surfactants are chemical substances that have a wide range of applications in different industries and are an important part of many of the products we use on a daily basis. They can be defined as sub...view
  • Fully Refined Paraffin Wax

    Fully Refined Paraffin Wax

    July 20, 2021Fully Refined Paraffin Wax is a white, cream, yellow or colorless soft solid derivable from petroleum, paraffin wax is a mixture of hydrocarbon molecules containing between twenty and forty carbon ato...view
  • TEL:+86-25-52337978
  • EMAIL: info@njchm.com
  • ADDRESS:12/F, Block B, Technology and Innovation Building, Nanjing University of Technology, No.5 New Model Road, Nanjing 210009, China