Norm

ISO 3332:1975 en

Ammonium sulphate for industrial use - Determination of ammoniacal nitrogen content - Titrimetric method after distillation

31,57

Over deze norm

Status Definitief
Aantal pagina's 4
Gepubliceerd op 01-07-1975
Taal Engels
Based on dissolution of a test sample in water, distillation of the ammonia after displacement by an alkali solution. Absorption in an excess of standard volumetric sulphuric acid solution and back-titration with standard volumetric sodium hydroxide solution in the presence of methyl red/methylene blue mixed indicator. A typical distillation apparatus is shown in a figure.

Details

ICS-code 71.060.50
Nederlandse titel Ammonium sulphate for industrial use - Determination of ammoniacal nitrogen content - Titrimetric method after distillation
Engelse titel Ammonium sulphate for industrial use - Determination of ammoniacal nitrogen content - Titrimetric method after distillation

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