ISO 6795:1983
Withdrawn
Date published:
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).
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ISO 6795:1983
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