tender for supply of water testing chemicals. , colour standard 500 hazen , turvidity statndard , conductivity standard , phnofthaline indicator , mix indicator solution , hardness standard , ammonia buffer , sodium hydroxide , ammonium purpurate , eriocrome black-t , cloride statndard , potacium dichromat , silver nitrate , ph buffer 4.00pack , ph buffer 7.00pack , ph buffer 9.00pack , universal indicater , flouride standard , mix alzereas red s , hydrochloric acid , hydroxilamil hydrochlorode , 1/10 phenanthreline , sodium acete , ammonia solution , barrium chloride , conditioning reagent , ammonium per sulphate , special reagent , m7fc7 agar , pettriplates , 0.45 micron membrance , h2s kit , chloroscope kit with 1 no o.t. solution