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ISO
ISO 7108:1985

ISO 7108:1985

Ammonia solution for industrial use — Determination of ammonia content — Titrimetric method

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General Information

Status : Active

Standard Type : Main

Document No : ISO 7108:1985

Document Year : 1985

Pages : 2

Edition : 1

Section Volume : Chemistry (ISO/TC 47.)

ICS : Bases (71.060.40)

A test portion is introduced into a solution of boric acid and the solution obtained is titrated with a standard volumetric solution of sulfuric acid in the presence of methyl red as indicator. The method is applicable to solutions containing not more than 35 % (m/m) of ammonia.