Tender For corrigendum : tender for supply of fine chemicals and filter papers c c - - alcohol iso propyl alchohol ar excelar , ammonium hepta molybdate tetrahydrate gr , alcohol toluene ar excelar , potassium iodide ar , silver nitrate solution n 50 ar , chlorotex reagent , n hexane ar , 1 amino 2 napthal 4 sulphanic acid ar , filter paper whatman filter paper no 541 , filter paper whatman filter paper no 01 , filtr paper whatman gf c pore 1point 2micro m , alcohol iso propyl alchohol ar excelar , ammonium hepta molybdate tetrahydrate gr , alcohol toluene ar excelar , chlorotex reagent , n hexane ar , 1 amino 2 napthal 4 sulphanic acid ar