SSH ISO 3332:1975

Sulfat amoniumi për përdorim industrial - Përcaktimi i përmbajtjes së amoniakut të azotit - Metoda titrimetrike pas distilimit

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

Publication date: 29 korr 2015

General information

Current stage: 60.60 Effective date: 29 korr 2015

Originator: DPS

Owner: DPS/KT 47

Type: International Standard

ICS: 71.060.50

Gjuha: anglisht

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Statusi: Publikuar

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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.

SSH ISO 3332:1975

Sulfat amoniumi për përdorim industrial - Përcaktimi i përmbajtjes së amoniakut të azotit - Metoda titrimetrike pas distilimit

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

General information

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Scope

Life cycle

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Adopted from ISO 3332:1975