Features & specifications: Sodium alginate a) Stabilizers b) Thickeners and emulsifiers c) Hydrates d) Gelling property e) Grain size and viscosity: as per contract stipulation f) Moisture: 15% max. g) PH: 6.0 - 8.0 h) Sulphate ash: 30 - 37% i) Insoluble matter in water: 3.0% max. j) Transparency: as per client's demand k) Heavy metals: 0.004% max. l) Arsenate: 0.0002% max. m) Lead: 0.0004% max.