supply of instrument and chemicals for water testing at 185 mld narmda water treatment plant khatpura as per schedule-do meter 2 conductivity meter 3 ph meter 4 conical flask, 500 ml 5 beaker, 500 ml 6 beaker, 250 ml 7 conical flask, 250 ml 8 edta solution (0.02n) (n/50), 500 ml 9 sulphuric acid (0.02n) (n/50), 500 ml make – systronics/merck/supelco 10 ammonia buffer solution, 500 ml make - merck /qualigen/thermo 11 erichrome black-t, 25 gm make - merck /qualigen/thermo 12 phenolpthalein indicator 1%, 125 ml make - merck /qualigen/thermo 13 reagent bottle, 1000 ml make - merck /qualigen/thermo 14 o-tolidine solution, 500 ml make - merck /qualigen/thermo 15 sodium hydroxide, pellets gr 500 gm 16 potassium dichromate gr, 500 gm make - merck /qualigen/thermo 17 sodium iodide, lr, 100 gm make - merck /qualigen/thermo 18 potassium iodide, gr, 100 gm make - merck /qualigen/thermo 19 hand gloove, nitrile , 100 no 20 sodium thiosulfate, gr, 500 gm make - merck /qualigen/thermo 21 starch soluble, 500 gm make - merck /qualigen/thermo