Sulphur & urea 46 n sulphur: purity wt% 99.8 min organic ash wt% 0.08 max inorganic wt% 0.12 max acidity wt% 0.01 max moisture wt% 0.05 max colour texas yellow urea 46 n specifications urea granulated mass portion of nitrogen (n) on a dry basis, %min: 46.2 mass portion of biuret, %, max: 1.0 moisture (determined by fischer method), % max: 0.5 color: white.Business consulting