ISO 6795:1983

Phthalic and adipic esters for industrial use — Determination of free alcohols content — Spectrometric method

The free alcohol is reacted with vanadium(V) sodium salt of quinolin-8-ol(8-hydroxyquinoline) to form a coloured complex. The complex is extracted with toluene and then treated with dichloroacetic acid. The spectrometric measurement is carried out at a wavelength of about 620 nm. The method is applicable to products having free alcohol contents between 0,01 and 5,0 % (m/m).

OEN:

ISO

Langue:

English

Code(s) de l'ICS:

71.080.70

Statut:

Annulée

Date de Publication:

1983-11-30

Numéro Standard:

ISO 6795:1983