procurement of chemicals glassware & consumables for boy’s recreation club sub-district water testing laboratories-1 chromogenic coliform agar, for simulteneous determination & count of escherichia coli and total coliforrns in water samples as per iso 9308-1:2014, 100gm pack mercklhimedia 2 consurnables for bacteriological analysis by mf technique, membrane filter- cellulose nitrate, sterile- individually packed, white membrane, gridded, 47mm dia, 0.45 micron porosity, pack of 100 circles mercklhimedia / axiva 3 edta n!50 solution, for total hardness hardness analysis ( 500mifpack ) make: mercklfisherlsigmalfinar 4 ammonia buffer solution for total hardness analysis ( 500m1 / pack ) make: mercklfisherlsigmalfinar 5 turbidity standard solution for tb 210ir, make: lovibond 6 buffer ph 4.01@25 deg c calibration solution calibrated against nist traceable sbs ( 480m1 pack ) suitable for inolab & ph510 / 700 ph meter. make: eutechiwtw / equiv 7 buffer ph 7.00 @25 deg c calibration solution calibrated against nist traceable sbs ( 480m1 pack ) make: eutech / vvtvv / equiv 8 buffer ph 10.01 @25 deg c calibration solution calibrated against nist traceable sbs ( 480m1 pack ) make: eutech / wtw / equiv 9 reagent suitable for spectrophotometric analysis of iron in potable water, range 0.02-3.00 mg / i soluble iron ( 1000 tests / pack ) make: merck / lovibond / palin / vvtw 10 iron standard solution 1000 mg / 1 srm from nist traceable ( 125 ml ) 11 reagent suitable for spectrophotometric analysis of manganese in potable water range: 0.1-10 mg / i of manganese, ( 250tests / pack ) make:merck / lovibond / palin / wtvv 12 manganese standard solution traceable to srm from nist traceable ( 125 ml / pack ) make: lnorg vent / reagecon / merck / sigma 13 biosol ( 450 ml ) 14 extftan ( 5 it ) 15 hcl ( 5 it ) for cleaning 16 solvent for lamp ( 5 it ) $ 17 cotton 18 tissue paper 19 alluminium foil paper 20 sample collection bottle- glass- 250 ml ( autoclavable ) 21 sample collection bottle- plastic-200 ml 22 sample collection bottle- plastic-100 ml 23 ice box ( big size ) 24 dropper bottle ( 50 ml ) 25 cleaning brush