PN C04642-03-1991
Water and waste water. Tests of pollutants in atmospheric precipitation. Determination of sulphates by colorimetric method

Standard No.

PN C04642-03-1991

Release Date

1991

Published By

PL-PKN

Latest

PN C04642-03-1991

Scope

The subject of this standard sheet is a colorimetric method for the determination of sulfate ions in atmospheric precipitation using the sodium salt of 1-(o-arso-nophenylazo)-naphthyl-3,6 disulfonic acid (thoron) as an indicator. Synonyms of toron: torin, toronol, naftar-son, thoron.

PN C04642-03-1991 history

• 1991 PN C04642-03-1991 Water and waste water. Tests of pollutants in atmospheric precipitation. Determination of sulphates by colorimetric method

PN C04642-03-1991 -All Parts