Ammonia solution, also known as ammonium hydroxide, ammonia water, ammonical liquor, ammonia liquor, aqua ammonia, aqueous ammonia, pink slime, or simply ammonia, is a solution of ammonia in water. Specification Sr.NOCHARACTERSTICSSPECIFICATION 1APPEARANCE CLEAR LIQUID 2ODURPUNGENT 3NH3 CONTENT (W/W)25% 4 SPECIFIC GRAVITY0.900 – 0.910 5IRON0.2 PPM 6COPPER0.1 PPM 7HEAVY METAL (AS LEAD )0.4 PPM 8ARSENIC0.05 PPM 9NON VOLATILE RESIDUE0.00%