An ammonia salicylate reagent and an ammonia cyanurate reagent are combined with the sample to produce a green-dyed solution. The colour of this dye is then analyzed using a spectrophotometer and compared to a blank solution of deionised water
An ammonia salicylate reagent and an ammonia cyanurate reagent are combined with the sample to produce a green-dyed solution. The colour of this dye is then analyzed using a spectrophotometer and compared to a blank solution of deionised water