Tender For supply of ammonia solution 25% (q3) , ammonium acetate ar grade (q3) , diisopropylamine (q3) , tartaric acid - is 880 (q3) , l- ascorbic acid (q3) , mercuric sulphate (q3) , murexide or ammonium purpurate (q3) , potassium iodide as per is 7163 (q3) , sodium nitrate as per is: 12681 (q3)