Latest eriochrome black Tenders | Government eriochrome black Tenders

Central Government/Public Sector

CTN :41541206

12 Sep, 2025 3.11 Lacs

Khorda - Odisha

Tender For supply of chemical for laboratory c c - 4 aminoantipyrine ampyrone , ethyl alcohol , acetic acid ch3cooh , acetone , ammonia solution ammonium hydroxide concentrated , ammonium chloride , ammonium ferrous sulphate , ammonium metavanadate , ammonium molybdate tetrahydrate , barium chloride , boric acid , bromocresol green bcg , calcium chloride fused , carmine , chloroform , cobalt ii chloride hexahydrate , concentrated nitric acid , copper ii sulfate , curcumin turmeric yellow , di potassium hydrogen ortho phosphate , di sodium hydrogen phosphate , disodium salt edta , edta magnesium disodium complex edta mg , eriochrome black t , ethylene glycol , ferric chloride anhydrous , ferric chloride hexahydrate , ferroin solution , formaldehyde solution , hydrochloric acid , hydroxylamine hydrochloride , iodine resublimed , l-glutamic acid , magnesium chloride hexahydrate extrapure , magnesium sulphate heptahydrate , mercuric chloride , mercuric sulphate , methanol , methyl orange , methyl red , murexide ammonium purpurate , n 1 naphthyl ethylenediamine dihydrochloride neda , n n diethyl p phenylenediamine sulphate salt , n hexane , orthophosphoric acid , phenol , phenolphthalein indicator 1 percent soln in ethanol , potassium chloride , potassium chromate , potassium dichromate , potassium dihydrogen phosphate , potassium ferricyanide , potassium hydrogen pthalate , potassium iodate , potassium iodide , potassium nitrate , potassium sulphate , silica gel , silica gel blue , silver nitrate , silver sulphate , sodium acetate anhydrous , sodium acetate trihydrate , sodium arsenite , sodium azide , sodium borohydride powder , sodium carbonate , sodium chloride , sodium hydroxide pellets , sodium nitroprusside , sodium sulphate anhydrous , sodium thiosulphate pentahydrate , spadns , starch soluble , sulphamic acid , sulphanilamide , sulphuric acid ) /bid number : gem/2025/b/6519051 * /dated: 22-08-2025 & & / bid document 1 / 60

Central Government/Public Sector

CTN :41447698

04 Sep, 2025 NA

Surat - Gujarat

Tender For supply of procurement of laboratory chemicals for ongc hazira plant e e - sodium carbonate solution , magnesium sulphate solution , calcium chloride , ferric chloride , glucoseglutamic acid , ferroin indicator , mercuric sulphate , sulphamic acid , potassium hydrogen pthalate , potassium dichromate , manganous sulphate , sodium iodide , starch , salicylic acid , potassium iodate , eriochrome black t indicator , hydroxylamine hydrochloride , sodium hydroxide , ammonia solution , potassium chromate , silver nitrate powder , sodium chloride , ortho tolidine , sodium bicarbonate , ammonium molybdate tetra hydrades , oxalic acid , sodium borate decahydrate , hexamethylene tetramine , hydrazine sulphate , zinc chloride , sodium azide , zinc oxide , zinc sulphate , tetrachloroethylene spectroscopic grade , benzene , hexadecane , cyclo hexane , nhexane , isooctane , sodium acetate , phenanthroline , nbutanol , ammonium acetate , bipyridyl , sodium acetate , 1 amino 2 naphthol 4 sulphonic acid , acetone , barium chloride dehydrate , dextrose anhydrous , beef extract , buffer solution 4 ph , buffer solution 7 ph , buffer solution 9 point 2 ph , mercuric chloride hexahydrate , methanol , iso propyl alcohol , potassium hydroxide , di potassium hydrogen phosphate anhydrous , sodium phosphate dibasic anhydrous , macconkey reagent , universal indicator 1 to 14 ph range , potassium ferri cyanide , glycerine , ammonium thiocyanate extra pure , copper nitrate trihydrate , dsorbitol powder , hexa decyl trimethyl ammonium bromide , hplc water , iodine solution , karl fischer solu pyridine free , mercury metal , methanol hplc grade , peptone bacteriological , ph strips , potassium chloride , potassium fluoride gr anhydrous , potassium nitrate extra pure , silicon grease , sodium molybdate , sulphuric acid , sulphuric acid conc , tris buffer , vacuum grease , barium hydroxide , bis2ethylhexyl sodium sulfosuccinate , cadmium sulfate , dipotassium hydrogen orthophosphate anhydrous , p naphtholbenzein , phenolphthalein indicator solution , phenolphthalein indicatorpowder , potassium dihydrogen orthophosphate anhydrous , potasssium iodide , silica gel , sodium sulfide , dinbutyl sulfide dbs , iso propyl alcohol , isooctane , karl fisher reagent , methyl iso butyl ketone mibk , nheptane , petroleum ether , toluene , silicone oil 150c , alcoholic koh in isopropyl alcohol , aluminium potassium sulphate , sodium metasilicate nonahydrate , sulfosalicylic acid , nitrilotriacetic acid ar , glacial acetic acid for hplc , hydrochloric acid , carbon tetrachloride , con nitric acid , nitrobenzene , ferric ammonium sulphate , anhydrous sodium sulphite , sodium bisulphite , sodium silicate , potassium thiocynate , ferrous ammonium sulphate , potassium permangante , point zero two n sulphuric acid , phenolphthalein indicator , methyl red powder , methyl orange indicator , silver sulphate , sulphuric acid concentrated , point zero two n edta , magnesium chloride , calcium carbonate , potassium ferrocyanide , murexide ammonium purpurate , sodium sulphide , anhydrous sodium sulphate , chloroacetic acid , edta powder disodium salt , hydrogen peroxide 30 percent , sodium thiosulphate

CTN :41486884

09 Sep, 2025 NA

Uttara Kannada - Karnataka

Tender For supply of galley and misc elect eqpt - - heating element 960w plate 385mm , systematic spare parts kit , copper seal 39.2x44x2 , plunger pipe 30-43 , 24v-2a watertight sealed battery , air conditioner control unit , red glass h - 132 , potentiometer , fluorescent tube 18w-31-830 , fluorescent lamp 26w-31-830 , shock mount , fitted screw , differential manometer oil bath d150 type a 0-200 m , thermometer 0100mm type a 0 to 100 degree c fcapillary k-2m , manometer inox bh nd100 type a 0-4 bar , bulb 24v-40w b15 , manometer nd100 type b 0-60 m. flexible hose 5 m , calibration kit co - co2 , stud junction terminals bjt , stud junction terminals bjt , spring pin 1.5x8 st.steel , spring pin e8x60 xc90 , pressurized 60l alimentary quality balloon horiz or vert , ring bs 1-4 inch , locating pin , shear pin , shear pin , manometer inox bh nd100 type a 0-250 bar , socket 220v.-6-10-13a , pc socket decorative with decorative plate , radio - tv socket decorative with decorative plate , tight base for 1 mechanism 2 inputs , tight base for 2 mechanism 4 inputs , tight base for 1 mechanism 1 input , hand microphone , o-ring joint , glass globe joint , stainless steel sertec washser de , sertec washer m8 wide series , std sertec washer de 6 , o-ring 27 , 80x3 , 60 20a8-gn , o-ring 35 , 60x3 , 60 20a8-gn , catalytic granulate , manifold 2 red blue valves for r134 404a bar , optical glass , optical glass joint , washer nord-lock m8 stainless steel , display and main card , display and main card , modification plate , variator mdx 30 , shell o-ring for closing plate dia 330x5 , intercom set console configuration , intercom with standard box j1

CTN :41359982

28 Aug, 2025 NA

Chennai - Tamil Nadu

Tender For supply of ammonium iodide cas no 12027- 06- 4 loba 50 g , ammonium heptamolybdate tetra hydrate cas no 13106- 76- 8 merck emparta 100 g , ammonium oxalate monohydrate cas no 6009- 70- 7 merck emparta 500 g , barium chloride dihydrate cas no 10326-27-9 merck emparta 500 g , diphenylamine-4-sulfonic acid barium salt cas no 6211- 24- 1 merck emparta 25 g , edta, disodium salt, dihydrate cas no 6381-92-6 loba 100 g , eriochrome black t c i 14645 cas no 1787-61-7 merck emparta 25 g , ferrous sulfate cas no 7782-63-0 loba 500 g , oxalic acid dihydrate cas no 6153-56-6 loba 500 g , phenolpthalein indicator cas no 77-09-8 merck 50 g , phloroglucinol cas no 108-73-6 loba 25 g , potassium chloride cas no 7447- 40-7 loba 500 g , salicylic acid cas no 69-72-7 loba 500 g , sodium oxalate cas no 62-76-0 loba 500 g

corporations/Associations/Others

CTN :41315153

19 Aug, 2025 NA

Shimla - Himachal Pradesh

Tender For supply of chemicals for food lab e e - acetic acid , acetone , acetonitrile , activated carbon powder , ammonium chloride , ammonium hydroxide , ammonium molybedate , anhudrous monobasic sodium phosphate , anhydrous calcium chloride , anhydrous sodium sulphate , antimony trichloride , barium chloride , barium hydroxide , benzoic acid , bromophenol blue indicator , butanol , butylated hydroxytolune , calcium carbonate , calcium chloride , carbon tetrachloride , chloroacetic acid , chloroform , chromic acid , copper sulphate pentahydrate , diethyl ether , dimethly glyoxime solution , disidium hydrogen phosphate , disodium ethylene diamine tetra acetate dihydrate , distilled water , eriochrome black t indicator , ethanol pure , ferric chloride , ferrous sulphate , ferrrous ammonium sulphate , filter paper , formic acid , furfural solution , glacial acetic acid , hplc grade water , hydrochloric acid , mask , methanol , methylene blue indicator , murexide , nitric acid , orthophosphoric acid , p-dimethyl amino benzaldehyde , petroleum ether , phenolphathelein , phloroglusinol , phosphorus pentoxide , picric acid , poatassium iiodate , potassium aluminium sulphate , potassium chromate , potassium dichromate , potassium hydroxide , potassium iodide , potassium permagnate , potassium persulphate , potassium sodium tartrate , potassium thiocyanate , salicylic acid , silver nitrate , small pumice pieces , sodium carbonate , sodium chloride extra pure , sodium hydroxide , sodium thiosulphate pentahydrate , starch , sulphuric acid , surgical gloves , tartaric acid , thioglycollic acid , tissue roll , trifluoracetic acid , whatman filter paper , wijs iodine monochloride , zinc acetate ) /bid number : gem/2025/b/6530900 * /dated: 04-08-2025 & & / bid document 1 / 61

CTN :41305413

23 Aug, 2025 NA

Katihar - Bihar

Tender For supply of stand base and rod ,retort stand, , burette ,50 ml, , pippete ,10 ml, , capillary ,0.30 mm od, , melting point tube ,0.5 mm, , measuring flask with glass stopper ,100 ml, , erlenmeyer flask ,250 ml, with socket b-24 , glass stopper b-24 ,hollow, hexagonal, , chromatography column , test-tubes ,15 ml, pack of 100 , test-tube stand ,plastic, , test-tube holder , wash bottle, 500 ml, ldpe , funnel ,100 mm, , funnel ,50 mm, , plastic beakers ,500 ml, , plastic beakers ,1000 ml, , beakers ,100 ml, , beakers ,1000 ml, , conical flask ,100 ml, , spatula big ,12 inches, , spatula ,6 inches, , forceps ,steel, 6 inches, , filter paper circle packet , rough filter paper ,500 sheets, , magnetic bid , thermometer , aspiratory bottle with stop cock, 5000 ml , aspiratory bottle with stop cock, 10000 ml , dropper ,glass, 15 cm with rubber teat , dropping bottles with glass dropper and silicone teat, 60 ml , dropping bottles with glass dropper and silicone teat, 125 ml , dropping bottles with glass dropper and silicone teat, amber, 60 ml , reagent bottles narrow mouth with screw cap, 100 ml , reagent bottles narrow mouth with screw cap, 250 ml , reagent bottles narrow mouth with screw cap, 500 ml , drying tube 24-29 , nitrile gloves , test tube brush ,nylon, , burette brush ,nylon, , bottle brush ,nylon, , tong for holding beaker ,12 inches, , tlc plates silica gel 60 matrix ,aluminium sheet, ,pk of 25 sheets, , rubber pipe ,50 meter, , surgical mask packet , laboratory tissue paper roll ,190 pulls 10 roll, , ethylene glycol, lr, 2.5l , iso-propyl alcohol, lr, 2.5 l , ethylene glycol, ar, 2.5 l , n-hexane, 2.5 l , chloroform, 2.5 l , ethyl acetate, 2.5 l , methanol, 2.5 l , acetone, 2.5 l , hydrochloric acid ,conc.,, 2.5 l , sulphuric acid ,conc.,, 2.5 l , nitric acid ,conc.,, 2.5 l , glacial acetic acid, 2.5 l , acetyl chloride, 500 ml , aniline, 500 ml , ammonia water, 2.5 l , phenolphthalein, 100 g , eriochrome-black t powder, 25 g , methyl orange, 25 g , oxalic acid, 500 g , 1- naphthol, 100 g , 2-naphthol, 500 g , p-nitrophenol, 250 g , p-nitroaniline, 100 g , naphthalene, 500 g , picric acid, 100 g , resorcinol, 250 g , catechol, 250 g , succinic acid, 500 g , cinnamic acid, 250 g , phthalic acid, 500 g , salicylic acid, 500 g , pyrogallol, 100 g , d-glucose, 500 g , sucrose, 500 g , acetophenone, 500 ml , sodium nitroprusside, 100 g , methyl salicylate, 500 ml , ammonium cerric nitrate, 100 g , toluene, 500 ml , copper sulphate, 500 g , diphenylamine, 100 g , phenol, 500 g , nitrobenzene, 500 ml , ferric chloride anhydrous, 500 g , zinc chloride, 500 g , sodium metal, 250 g , potassium sodium tartarate, 500 g , 2,4-dinitrophenyl hydrazine, 25 g , pure bromine, 100 ml , benzaldehyde, 500 ml , formaldehyde, 500 ml , disodium edta salt, 500 g , calcium carbonate anhydrous, 500 g , sodium bicarbonate, 500 g , sodium hydroxide pellets, 500 g , ammonium chloride, 500 g , phthalic anhydride, 500 g , sodium nitrite, 500 g , silica gel 60-120 mesh, 500 g , charcoal, 500 g , potassium permanganate, 500 g , potassium dichromate, 500 g , ammonium ferrous sulphate ar, 500 g , silver nitrate ar, 25 g , silver chloride ar, 25 g , calcium chloride fused, 500 g , diethyl ether, 500 ml , paraffin liquid heavy, 2.5 l , neutral cleaning solution, 5 l , silicone vacuum grease, 50 g , iodine, 100 g , litmus blue indicator paper strips pkt, 10 bks , litmus red indicator paper strips pkt, 10 bks , galvanometer , oscilloscope 100mhz , dc power supply , magnet , franck-hertz experiment apparatus , four probe method apparatus , ammeter , voltmeter , resistance box ,1-500 ohm, , resistance box ,1-5000 ohm, , dielectric constant meter , //bid details 2 / 111 newton-s ring apparatus , travelling microscope , spectrometer , plano-convex lens , lens holder , deflection magnetometer , vibration magnetometer , stop watch , spirit level , digital vernier callipers , physical balance , he- ne laser source ,setup, , meter scale

corporations/Associations/Others

CTN :41306685

20 Aug, 2025 NA

Metturdam - Tamil Nadu

Tender For supply of fine chemicals 35 items - ammonium chloride, ammonium molybdate, ammonium ferrous sulphate, ammonium purpurate muroxide, ammonia liqour 30% (ar), acetone (ar), ammonium acetate, glacial acetic acid (ar), buffer ph 4.0 tablets, buffer ph 7.0 tablets, buffer ph 9.2 tablets, barium chloride, benzene, boric acid, bromophenol blue, bromocresol green, calcium carbonate, calcium acetate, citric acid, carbon tetra chloride, chlorotex, chloroform, diphenyl amine, dextrose, para dimethylamino benzaldehyde, eriochrome black-t indicator, edta (ar), edta 0.1m, ethanol, formaldehyde, formic acid, glycerol, hydrazine sulphate, hexa methylene tetramine, hydrogen peroxide 30%

CTN :41306910

19 Aug, 2025 NA

Buxar - Bihar

Tender For supply of civil engineering lab equipment - magnetic stirrer with hot plate , electronic balance , micropipette single channel fully autoclavable 0.5- 5ml , nessler tube , chloroscope , laboratory flocculator , burette stand with rod, clamp & boss head , muffle furnace , digital cod digester (for 10 ml cod vials) , desicattor , cod vials , cod vials stand , pipette , digital pipette with elongated tip , volumetric flask , measuring cylinder , funnel , funnel , beaker , reagent bottles , spatula , durham’s tube , ammonium chloride, nh4ci , calcium chloride, cacl2 , conc. sulphuric acid , conc. sulphuric acid , dipotassium hydrogen phosphate, k2 hp04 , disodium hydrogen phosphate, na2hp04.7h2o , eosin methylene blu , ferric chloride, feci3.6h2o , ferro in indicator solution , ferrous ammonium sulphate, (0.25n) fe(nh4)2(so4)2.6h 20 , hcl , magnesium sulfate. mgso4.7h2o , mercuric sulphate, hg504 , potassium dichromate solution (0.25n di 0.0417 m) , potassium dihydrogen phosphate, kh2po4 , potassium iodide solution , silver sulfate, ag2 504 , sodium hydroxide, naoh , sodium thiosulfate, na25203 , starch , methyl orange indicator , phenolphthaleiri indicator , hardness buffer solution , eriochrome black t indicator , standard edta salution 0.01m , manganous sulphate , alkali lodide azide solution , phosphate buffer solution , potassium chromate indicator , ferrous ammonium sulphate, (0.25n) fe(nh4)2(so4)2.6h 20 , hcl , magnesium sulfate, mgso4.7h2o , mercuric sulphate, hgs04 , potassium dichromate solution (0.25n ог 0.0417 m) , potassium dihydrogen phosphate, kh2po4 , potassium iodide solution , silver sulfate, ag2 504 , sodium hydroxide, naoh , sodium thiosulfate, na2s2o3 , starch , methyl orange indicator , phenolphthalein indicator , hardness buffer solution , eriochrome black t indicator , standard edta solution 0.01m , manganous sulphate , alkali lodide-azide solution , phosphate buffer solution , potassium chromate indicator , standard silver nitrate , standard sodium chloride , alum solution , tissue rolls , tray , filter paper (whatman 42 and 45) , cotton rolls , distilled water , gloves , mask , crushing value , apparatus , aggregate impact tester , ring and ball apparatus , ductility testin machine with digital temp indicator , brookfield viscometer , thickness gauge , length gauge , universal penetrometer , balance , flash and fire apparatus , abrasion test by los angel's machine , viscosity of bitumen , gi sieve (450 mm dia) , brass sieve (200 mm dia) , benkelmen beam , float test apparatus , video camera , skid resistance tester , specific gravit and water absorption , centrifuge extractor , marshall , apparatus and accessories used for bitumninous mix design , laboratory , jaw , crusher , radar gun (for speed measurement)

State Government

CTN :41283987

12 Aug, 2025 NA

Bardhaman - West Bengal

Tender For supply and delivery of different chemicals at laboratory of kalyaneswari water works under rcfa-i water supply scheme. - supply and delivery of following materials at site:-, iron test kit 1000 test make-wtw(merck), eriochrome black t ,25gm pack(make-merck), ammonia buffer solution for total hardness analysis(500ml/pack)(make-merck), edta n/50 solution for total hardness, sterile petri plate (pp)60x15 mm pack of 250nos, sodium hydroxide (1n), chromocult coliform agar (100 gm)( m 19911 ) . make : himedia., dpd no.1 rapid 511311bt ,250 tablets . make : lovibond., micro pipette(5ml), triethnolamine(500ml)(make-thermofisher), add gst @ 18%

Central Government/Public Sector

CTN :41242624

19 Aug, 2025 28.74 Lacs

Aliganj - Uttar Pradesh

Tender For supply of chemicals - vanadium pentoxide , lithium tetraborate , lithium metaborate , nist1643f trace elements in water nist crm , ethyl alcohol , silica gel for desiccator , polymethyl methacrylate pmma , lithium iodide anhydrous , ammonium nitrate , boric acid crystline , silicon grease , phenolphthalein indicator , bromo cresol green or methyl red mixed indicator , methyl orange indicator , silver nitrate , eriochrome black t ebt indicator , patton and reeder reagent or indicator , calcium carbonate , d mannitol , dithizone , zinc acetate di hydrate , ph 4.01 , ph 7 , ph 10.01 , conductivity standard , azomethine h monosodium salt hydrate , ammonium acetate , nitric acid , hydrochloric acid , mibk iso butyl methyl ketone , ammonium iron ii sulphate hexahydrate mohrs salt , borax , calcium fluoride , methyl red , barium hydroxide , ph 4.01 buffer tablet , ph 7 buffer tablet , ph 9.2 buffer tablet

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