Livingstone Commercial Grade Disinfectant Sanitiser Lemon Scent 20L Drum It is a quaternary based disinfectant with excellent deodorising properties. It is intended for use as a high quality general purpose disinfectant, cleaner and deodoriser for toilet areas, amenity blocks, kitchens, food areas and other areas where malodours occur. Lemon Disinfectant can be used in any area where soiling is a problem, including floors, walls, bench tops, doors etc. 2g per Litre of Quaternary Ammonium Compound.