procurement of chemicals and consumables_glassware_plasticware etc . required for smooth running of the laboratories for six months for the year 2020_2021 in the district of paschim medinipur and jhargram under midnapore division phe dte .-2 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 3 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 4 consumables for bacteriological analysis by mf technique. glass petri plate 60x15mm, make :- duran / fisher brand / borosil 5 consumables for bacteriological analysis by mf technique. radiation sterilie plate 60x15mm, 250 nos a pack 6 edta n / 50 solution, for total hardness hardness analysis ( 500mlfpack ) make: merck / fisher / sigma / finar 7 ammonia buffer solution for total hardness analysis ( 500ml / pack ) make: merck / fisher / sigmalfinar 8 calcium carbonate ( 500gm ) , make - thermo / fisher / himedia . 9 ebt ( 25gm ) , make - thermofisher / himedia / merck 10 methyle orange indicator solution ( 125ml ) make : thermofisher / himedia / merck. 11 ph buffre 4.01, make: riviera 12 ph buffre 7.00, make: riviera 13 ph buffre 10.01 make: riviera 14 reagent suitable for spectrophotometric analysis of iron in potable water, range 0.005-5.00 mg / l soluble iron ( 1000 tests / pack ) make: merck / lovibond / palin / wtw 15 100ppm iron standard solution ( 100ml ) , make : thermofisher / alfaaesar / merck 16 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 17 100ppm manganese standard solution ( 100ml ) , make : thermofisher / alfaaesar / merck 18 potassium di-chromate ( 500gm ) make: thermo / fisher 19 sulphuric acid 0.1n for 500ml make: merck 20 conductivity standard solution 1413 μs ( 480ml ) , make: riviera 21 b. consumables, glassware & plasticware materials :- ( a ) tissue paper roll ( 2x21 mt ) 22 sample collection bottle wide mouth ( 250ml ) pp make : tarsons 23 sample collection bottle narrow mouth ( 100ml ) pp make : tarsons 24 alluminium foll ( 9mt ) make : tarsons 25 sprit lamp solvent ( 5ltr ) make : tarsons 26 mask ( pollution mask ) make : tarsons 27 sterilising ether solvent ( biosol ) ( 450ml / pack ) make : tarsons 28 extran / labolene / finklin ( 5l / pack ) make: merck / fisher / finar 29 nitrile powder free hand gloves ( medium ) 100pcs / pk make: tharmo 30 4% sodium hypochloride solution ( 5ltr ) make : thermo / fisher / merck 31 hand sanitezer ( 5ltr ) ( local market ) 32 plastic dropper ( pcs ) ( local market ) 33 non absorbance cotton ( local market ) 34 hydrochloric acid 37% 0r 12m ( 2.5lit ) ( h / 1150 / pb17 ) make: tharmo 35 hydrochloric acid 35% ( 5lit ) make: tharmo 36 glassware cleaning brus ( small ) ( local market ) 37 glassware cleaning brus ( big ) ( local market ) 38 tray for lab use ( local market ) 39 cuvette ( 20mm, in pair ) make: merck 40 cuvette ( 10mm, in pair ) make: merck 41 glass beaker ( 100ml ) make: borosil 42 glass beaker ( 250ml ) make: borosil 43 glass beaker ( 500ml ) make: borosil 44 pipette sucker make: tarsons 45 spatula ss 200mm make: tarsons 46 tweezer make: tarsons 47 funnel 75mm make: tarsons 48 mesuring cylinder ( 50ml ) make: borosil 49 mesuring cylinder ( 100ml ) make: borosil 50 micropipette tips ( 5ml ) ( 100 / pk ) make: tarsons 51 micropipette ( 5ml ) make: thermo 52 burette stand make: tarsons 53 burette glass ( 50ml ) make: borosil 54 conical flask ( 100ml ) make: borosil 55 volumatric flask glass 100ml make: borosil 56 conical flask ( 1000ml ) make: borosil 57 pipette glass ( 10ml ) make: borosil 58 pipette glass ( 5ml ) make: borosil