Industrial Grade Ammonium Thiosulfate Solution is available in a specific gravity ranging from 1.320 to 1.340. Ammonium Thiosulfate Solution is transparent and has a faint smell of ammonia. Ammonium Thiosulfate Solution contains free ammonia in a maximum range of 1 % and maximum 1.5 % sulphite content. Ammonium Thiosulfate Solution is used in micro nutrient fertilizers and photographic industry. Industrial Grade Ammonium Thiosulfate Solution maintains a pH ranging from 8 to 9.5.