Ammonium Bisulphite Solution is a clear, citrine yellow liquid manufactured from sulphur dioxide and ammonia solution with strengths ranging from 60% to 70%. The product is typically supplied in bulk tankers, 200 litre drums and 1000 litre IBC’s for use as an oxygen scavenger in the oil and gas industries and as a processing aid in the food industry, most notably caramel colour and sugar manufactured from beet.