17 / ts / ceh / w.w.d. / 2022-23 supply of chemical for manuabhan tekri ( 50 m.l.d ) filter plant water works dept. bhopal make- quligens / rankem / merck or as per schedule. , acetic acid glacial ( er ) 2.5 lit make:-quligens, rankem, merck , ammonia liquer 25% 500 ml make:-quligens, rankem, merck , ammonium perpurate ( murexide ) sq 5.0 gm make:-quligens, rankem, merck , barium chloride dihydrate er 500 gm make:-quligens, rankem, merck , e.d.t.a n / 50 sol. 500 ml make:-quligens, rankem, merck , erichrome black t 25 gm make:-quligens, rankem, merck , electrod filling solution 3 mole / liter kcl free from silver ion 100 ml make:-quligens, merck , glycerol er 500 ml make:-quligens, rankem, merck , hydrochloric acid cone 2.5 l make:-quligens, rankem, merck , hyroxyl ammonium hydrochloride 100 gm make:-quligens, rankem, merck , iso propyl alcohal er 500 ml make:-quligens, rankem, merck , labolene neutral ph 5.0 l make:-quligens, rankem, merck , organic electrode cleaning soln 500 ml make:-quligens, rankem, merck , potassium hydroxide pallets er 500 gm make:-quligens, rankem, merck , phenol-di sulphonic acid sq 500 ml make:-quligens, rankem, merck , potassium iodide er 100 ml make:-quligens, polychem, merck , silver nitrate n / 50 soln. 500 ml make:-quligens, rankem, merck , sulphuric acid n / 50 soln. 500 ml make:-quligens, rankem, merck , sodium hydroxide n / 10 soln 500 ml make:-quligens, rankem, merck , single use calibration buffer standards ph 4.0 ( 6*90 ml ) make:-quligens, rankem, merck , single use calibration buffer standards ph 7.0 ( 6*90 ml ) make:-quligens, rankem, merck , single use calibration buffer standards ph 10.0 ( 6*90 ml ) make:-quligens, rankem, merck , sulphuric acid concentrated 98% er 2.5 l make:-quligens, rankem, merck , ammonium buffer solution 500 ml make:-quligens, rankem, merck , phenolphthalien indicator 500 ml make:-quligens, rankem, merck , o-tolidine reagent 500 ml make:-quligens, rankem, merck , methyl orange indicator solution 125 ml make:-quligens, rankem, merck , potassium chromate 500 gm make:-quligens, rankem, merck , potassium dichromate 500 gm make:-quligens, rankem, merck , sodium thio sulphate plates 500 gm make:-quligens, rankem, merck , starch soluble er 500 gm make:-quligens, rankem, merck , ammonium acetate er 500gm make:-quligens, rankem, merck , buffer tablets 4.0 ph 1.0pak make:-quligens, rankem, merck , buffer solution 7.0 ph 550 ml make:-quligens, rankem, merck , buffer solution 9.2 ph 550 ml make:-quligens, rankem, merck , potassium chloroplatinate er 1.0gm make:-quligens, rankem, merck , potassium nitrate er 500gm make:-quligens, rankem, merck , cobaltous chloride hexahydrate ( e.r. ) make:-quligens, rankem, merck , hydrazinium sulphate er 100gm make:-quligens, rankem, merck , hexamethytene tetramine sq 500 gm make:-quligens, rankem, merck , manganous sulphate monohydrate sq make:-quligens, rankem, merck , sodium azide sq 100gm make:-quligens, rankem, merck , sodium chloride er 500 gm make:-quligens, rankem, merck , sodium sulphate er make:-quligens, rankem, merck , 1:10 phenonthroline monohydrate er make:-quligens, rankem, merck