supply and delivery of chemicals and consumables required for water testing of 4 nos . phed managed laboratories , 1no . district laboratory and 4 nos . ngo managed laboratories under birbhum division:-1.00 supply & delivery of chromogenic coliform agar, for simulteneous determination & count of escherichia coli and total coliforrns in water samples as per iso 9308-1:2014, loogm pack mercklhimedia 2.00 consurnabies for 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 merckihimedia / axiva 3.00 sterilising ether solvent ( biosol ) ( 450ml / pack ) by mf 4.00 consumables for bacteriological analysis technique. radiation sterilie plate 15x60mm, 250 nos a pack 5.00 edta n!50 solution, for total hardness hardness analysis ( 500mlfpack ) make: merckifisherlsigmalfinar 6.00 ammonia buffer solution for total hardness analysis ( 500ml / pack ) make: mercklfisherlsigmalfinar 7.00 eriochrome black t indicator for total hardness analysis ( 25gmfpack ) ( 25gmfpack ) make: merckifisherlsigmalfinar 8.00 triethanolamine min. 99.50% for total hardness analysis ( 500mlfpack ) 500 ml pack make: mercklfisherls igmalfinar 9.00 turbidity standard solution for tb 210ir, make: lovibond 10.00 turbidity standard solution for tq iiooir, make: merck 11.00 buffer ph 4.01@25 deg c calibration solution calibrated against nist traceable sbs ( 480ml pack ) suitable for inolab & ph510 / 700 ph meter. make: eutech / wtw / equiv 12.00 buffer ph 7.00 @25 deg c calibration solution calibrated against nist traceable sbs ( 480ml pack ) make: eutech / wtw / equiv 13.00 buffer ph 10.01 @25 deg c calibration solution calibrated against nist traceable sbs ( 480ml pack ) make: eutech / wtw / equiv 14.00 reagent suitable for spectrophotometric analysis of iron in potable water, range 0.02-3.00 mg / l soluble iron ( 1000 tests / pack ) make: merck / lovibond / palin / wtw 15.00 lronstandard solution 1000.mg / l traceable to srmfrom nisttraceable ( 125 ml / pack ) make: inorg venture / reagecon / merck / sigma / equiv 16.00 total ionic strength buffer solution-iii for fluoride estimation soln suitable for ionometric analysis of fluoride ( 475 ml / pack ) thermo-orion / merck / carlo erba 17.00 universal bridge electrolute electrode filling solution for fluoride ise, 5x50 ml 18.00 fluoride standard solution traceable to srm from nist traceable ( 500 ml / pack ) make: inorg vent / reagecon / / merck / sigma / wtw 19.00 specyrophotometric reagents for fluoride analysis , range 0.10-20.0 mg / l f ( 250 test / pack ) make: merck / lovibond / palin / iv or equivalen 20.00 solvent for lamp 5 lit pack 21.00 tissue paper 22.00 nitric acid about 69%, analytical quality, 500 ml, merck / fisher / aventor 23.00 hydrochloric acid min: 36.5%, analytical quality& acs grade, arsenic content: 0.01 ppm max. ( 500ml / pack ) make: merck / fisher / sigrna / finar 24.00 hydrochloric acid laboratory grade ( 5 lit ) pack iron content: 0.0001% max, 25.00 tds tester 1, tds range 0 to 1990 ppm / 10ppm lc 26.00 reagent suitable for spectrophotometric analysis of manganese in potable water range: 0.1-10 mg / l of manganese, ( 250tests / pack ) make: merck / lovibond / palin / wtw. 27.00 manganese standard solution traceable to srm from nist traceable ( 125 ml / pack ) make: inorg vent / reagecon / merck / sigma ph paper 2-10.5 28.00 29.00 dpd tablet 30.00 supply, delivery demonstration of residual chlorine kit complete with comparator box with continuous colour scale disc for residual chlorine & total chlorine analysis, range / graduation: 0 / 0.2 / 0.4 / 0.6 / 0.8 / 1.011.211.4 / 1.6 / 1.8 / 2.012.5 / 3.0 / 3.5 / 4.0, . .to be supplied with unbreakable cells, frosted on two sides 13.5 mm path length, volume 10 ml, with lid, easily dispersible dpd tablet for residual chlorine- 530nos & dpd tablet for total chlorine-30 nos, tablet crusher, carrying box, operating manual. total residual chlorine test should not be less than 530 tests. delivery & demonstration to be made at different places of west bengal as per direction of engineer- in-charge. make: lovibondlmerck 31.00 dettol, 500 ml 32.00 burnol tube 33.00 sterile cotton 34.00 boroline tube 35.00 insecticide for rat & cocroaches