supply of different chemicals / reagents used for the testing of water samples from different locations within new town ( aa-i, ii and iii ) at central laboratory, administrative building under new town water supply divn.-i, phe dte. ( 2nd call ) - 1 ammonia buffer solution with coa ( 500 ml - merck ) 2 acetic acid glacial with coa ( 500 ml - merck ) 3 ammonium chloridewith coa ( 500 ml - merck ) 4 ethanol alcohol 95%with coa ( 500 ml - merck ) 5 hydrochloric acid about 35% with coa ( 500 ml - merck ) 6 hydroxylamine hydrochloride with coa ( 100 g - merck ) 7 potassium chromate with coa ( 500 g - merck ) 8 potassium iodide with coa ( 500 g - merck ) 9 silver diethyldithio carbamate with coa ( 10 g - merck ) 10 tin ( ii ) chloride ( stannous chloride ) with coa ( 100 g - merck ) 11 zinc granules with coa ( 500 g - merck ) 12 filter paper no: 542 ( ge health lifescience ) 13 filter paper no: 1 ( 125 mm ) 14 tissue paper 15 chromocult agar ( 500 g - high media ) 16 sample collection container for chemical test ( 1000 ml ) 17 sample collectioncontainer for chemical test ( 250 ml ) 18 ph buffers - 25°c, ph:2.00 ±0.02@25°c nist traceable ( 500 ml - inorganic venture ) 19 acetone ( 500 ml ) 20 chloroform ( 500 ml ) 21 petri dish with triple vented radiation sterile ( 460062 ) 55x12mm pack ( 250 pcs. - high media ) 22 absorbant pads ( sterile ) ( 100 pcs. - axiva ) 23 sterile membrane filter paper ( 0.45μ ) ( 100 pcs. - high media ) 24 sterile container ( 280 pcs. - tarson / abdos ) 25 aluminium tray 26 washing tray ( big ) 27 100 ml beaker ( borosil ) 28 50 ml beaker ( borosil ) 29 250 ml beaker ( borosil ) 30 200 ml conical flask ( borosil ) 31 500 ml volumetric flask a grade ( borosil ) 32 50 ml burrette a grade ( borosil ) 33 digital hygrometer ( castro ) 34 ph meter digital stand 35 10 lt distilled water container with tap 36 cover shoes ( no-6 ) 37 cover shoes ( no-9 ) 38 bottle washing brush ( big ) 39 bottle washing brush ( small ) 40 dessicator ( 28 cm dia ) 41 pipette controller ( macro ) 42 adjustable micropipette ( 1-10 ml ) with tips ( tarson / riviera ) 43 blotting paper ( 12 pcs. ) 44 surgical gloves 45 labolene ( 5 litre ) 46 aluminium foil 47 anti-vibration tray for digital analytical balance