procurement of chemical, consumables and glassware for 05 nos water testing laboratories under balurghat division, phe dte. in the district of dakshin dinajpur related to water quality monitoring and surveillance under jal jeevan mission.- 1 chromogenic coliform agar, for simulteneous determination & count of escherichia coli and total coliforrns in water samples as per iso 9308-1:2014, l00 gm pack mercklhimedia 2 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 consumables for bacteriological analysis by mf technique. radiation sterilie plate 15x60mm, 250 nos a pack 4 edta n!50 solution, for total hardness hardness analysis (500ml/pack) make: merck/fisher/sigmalfinar 5 ammonia buffer solution for total hardness analysis (500ml/pack) make: mercklfisherlsigmalfinar 6 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 7 lron standard solution 100.mg/l traceable to srmfrom nisttraceable (125 ml/pack) make: inorg venture/ reagecon/merck/sigma/equiv 8 reagent suitable for spectrophotometric analysis of manganese in potable water range: 0.1-10 mg/l of manganese, (250 tests/pack) make: merck/lovibond/palin/wtw 9 manganese standard solution traceable to srm from nist traceable (125 ml/pack) make: inorg vent/reagecon/merck/sigma 10 total ionic strength buffer solution-ill for fluoride estimation soln suitable for lonometric analysis of fluoride (475 ml /pack) thermo- orion/ merck/carlo erba / equivalent 11 sterilising ether solvent (biosol) (450ml/pack) 12 extran / labolene/ finklin (5l/pack) make: merck/ fisher/ finar 13 dpd tablet for residual chlorine, easily dispersible, suitable for comparometric determination, pack of 250 tabs 14 reagent bottle clear glass autoclavale 250 ml 15 conical flask 100 ml 16 glass dropper with rubber tit 8 cm. with 10 cm. jet 17 pipettes graduated serological (l0 ml) 18 pipettes sucker( 1 set) 19 burette glass (50 ml) 20 bottle p.p (100 ml) 21 rectangular cuvette 10 mm 22 rectangular cuvette 20 mm 23 bottle p.p (200 ml) 24 standard volumetrict flax 100ml(plastic) 25 tissue roll 26 sodium chloride vloumetric standard secondary reference materials for argentometry , treacable to nist srm 27 silver nitrate analytical grade 25 gm 28 supply, delivery demonstration of residual chlorine kit complete with comprator box with continous color scale disc for residual chlorine & total chlorine analysis range/ graduation: 0/0.2/4.4/0.6/0.8/1.0/1.2/1.4/1.6/1.8/2.0/2.5/3.0/3.5/4.0 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 - 530 nos & dpd tablet for total chlorine - 30 nos, tablet chusher, carrying box, operating manual. total residual chlorine test should be made at different places of west bengal as per directioin of engineer-in-charge: make: lovibond/merck 29 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 30 buffer ph 7.00 @25 deg c calibration solution calibrated against nist traceable sbs (480ml pack) make: eutech/wtw/equiv 31 buffer ph 10.01 @25 deg c calibration solution calibrated against nist traceable sbs (480ml pack) make: eutech/wtw/equiv 32 fluoride standard solution traceable to srm from nist traceable (500ml/pack)make· inorganic vent/reagecon/ ~erc~sigrra/ equivalent 33 potassium chloride chloride analytical grade , 500 gm 34 sodium hydroxide 1n , 500 ml 35 murexide indicator, 5gm/pack 36 ethanol (iso propyl alchol analytical) 500 ml 37 platinum cobalt colorreference sollution (hazen 500) 500 mg/l 38 methyl red indicator 50 gm 39 bromocresol green indicator 5 gm 40 methyl orange indicator 41 burette stand-with single burette clamp pp coated set 42 nessler cylinder with cover (color comparisom cylinder) 50 ml as per is 4161:1967 43 turbidity standered non ratio , 1000 ntu , certified by iso 17025 accrediated test method , nist treacable , 500 ml (crm) 44 beaker plastic 50 ml 45 edta disodium salt (titriplex iii) 100 gm 46 dropper, pack of 500 pcs