supply & delivery of chemicals, reagents and accessories ( glass & plastic ware ) for six months in different 22 nos. water testing laboratories within paschim medinipur and jhargram districts under midnapore division, p.e dte. - 1.01 chromocult coliform ( cc ) agar - chromogenic coliform agar, for simulteneous determination & count of escherichia coli and total coliforrns in water samples as per iso 9308-1:2014, 100gm pack 1.02 membrane filter paper - consurnabies bacteriological analysis by mf technique, membrane filter- cellulose nitrate, sterile- individually packed, white membrane, gridded, 47mrn dia, 0.45 micron porosity, pack of 100 circles 1.03 petri plate - glass petri disc. ( 60x15 mm dia. ) 1.04 edta - edta n!50 solution, for total hardness hardness analysis ( 500ml / pack ) 1.05 ammonium buffer solution - ammonia buffer solution for total hardness analysis ( 500ml / pack ) 1.06 p. standard buffer solution ( p. 4.01 ) - buffer ph 4.01@25 deg c calibration solution calibrated against nist traceable sbs ( 480ml pack ) suitable for inolab & ph510 / 700 ph meter. 1.07 p. standard buffer solution ( p. 7 ) - buffer ph 7.00 @25 deg c calibration solution calibrated against nist traceable sbs ( 480ml / pack ) 1.08 p. standard buffer solution ( p. 10.01 ) - buffer ph 10.01 @25 deg c calibration solution calibrated against nist traceable sbs ( 480ml / pack ) 1.09 ferrosospectral reagent ( fe1 ) ( 1000 tests ) - reagent suitable for spectrophotometric analysis of iron potable water, range 0.02-3.00 mg / l soluble iron ( 1000 tests / pack ) 1.10 manganese reagent ( 250 tests ) - reagent suitable spectrophotometric analysis of manganese in potable water range: 0.1-10 mg / l of manganese, ( 250tests / pack ) 1.11 sterilising ether solvent ( biosol ) ( 450ml / pack ) 1.12 alluminium foil ( 9m ) 1.13 extran / labolene / finklin neutral ph ( 5l / pack ) 1.14 mask n95 ( 10 pcs. per pack ) 1.15 apron 1.16 volumetric flask ( 50ml ) , 1.17 tissue paper roll 1.18 formaldehyde 40% ( 500ml ) 1.19 residual chlorine kit 2 sample container polypropylene, autoclavable, wide mouth, suitable for bacteriological water sample collection ( 250 ml capacity ) 2.01 cuvette 10mm, 2.02 potasium parmanganet ( 500gm ) 2.03 potasium dichromate ( 500gm ) 2.04 sulfuric acid ( 500ml )