Posted on August 5, 2019August 7, 2019 by Pulse AssentISO 20714:2019 E-liquid. Determination of nicotine, propylene glycol and glycerol in liquids used in electronic nicotine delivery devices. Gas chromatographic method Link: ISO 20714:2019 E-liquid. Determination of nicotine, propylene glycol and glycerol in liquids used in electronic nicotine delivery devices. Gas chromatographic method Source: BSI Standards Related Posts:More than £70 million to turbocharge the future of…New laws to introduce digital labelling for…UK Government strengthens UK-Japan partnership on cyberEnergy storage backed with over £32 million…The UK Space Agency is Unlocking Space for Business