Abstract

This Uganda Standard covers a gas chromatographic procedure for the determination of the ppm residual acetaldehyde (AA) present in poly(ethylene terephthalate) (PET) homo-polymers and co-polymers which are used in the manufacture of beverage bottles. This includes sample types of both amorphous and solid-stated pellet and preform samples, as opposed to the bottle test, Test Method D4509, an acetaldehyde test requiring 24 h of desorption time at 23??C into the bottle headspace and then the concentration of the headspace quantified by a similar GC method. The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. This standard was published on 2024-08-06.