Tender For supply of potassium phosphate dibasic anhydrous lr , ammonium sulphate ar 500gm , potassium nitrate ar 500gm , dimethyl sulphoxide specially dried ar 500ml , potassium dihydrogen orthophosphate ar 500gm , molyclean ma 05 neutral phosphate free equivalent to labolene , formaldehyde solution 37-41 percentage w v , potassium permanganate 99 percentage ar