Latest eriochrome black Tenders | Government eriochrome black Tenders

Central Government/Public Sector

CTN :41799696

03 Oct, 2025 NA

Muzaffarpur - Bihar

Tender For supply of chemical d d - coomassie brilliant blue g 250 , bovine serum albumin , barium carbonate ar , tri-sodium citrate , nutrient broth , nutrient agar 1 point 5 , agar powder bacteriological grade , peptone bacteriological , hm peptone b agar , yeast extract powder , sodium chloride ar , potato dextrose agar granulated , d glucose , iodine solution , gallic acid , lactophenol cotton blue , immersion oil low , crystal violet , safranin , ammonium metavandate ar , ammonium molybdate ar , ammonium ferrous sulphate , sulfuric acid pure ar 2 point 5 litre , chloroform ar 500ml , ferroin indicator 100ml , diphenylamine ar 250 gm , orthophosphoric acid abt 88percent ar 500ml , sodium fluoride extra pure and ar 500gm , potassium hydrogen phthalate 100gm , sodium bicarbonate ar 500gm , silica gel 60 200 mesh 74 250 mm 500gm , l-ascorbic acid ar 100gm , p-nitrophenol 5gm , potassium dihydrogen orthophosphate lr 500gm , ammonium acetate ar 500gm , acetic acid glacial ar 500ml , potassium chloride ar 500gm , calcium chloride dihydrate ar 500gm , barium chloride dihydrate ar 500gm , ammonium chloride ar 500gm , hydrochloric acid 35 percent ar 500ml , eriochrome black t 25gm , hydroxylamine hydrochloride ar 500gm , edta disodium salt dihydrate ar 500gm , magnesium chloride hexahydrate ar 500gm , diethylenetriaminepentaacetic acid dtpa 500gm , oxalic acid ar 500gm , azomethine h monosodium salt hydrate 5g , l tartaric acid ar 500gm , tri sodium citrate dihydrate ar 500gm , sulphamic acid ar 500gm , dextrose agar 100gm , perchloric acid about 60 percent ar 500ml , nitric acid min 69percent pure ar 500ml , bromocresol green indicator 125 ml , methyl red indicator 125 ml , phenolphthalein 0 point 1 125ml , potassium sulphate ar 500gm , 1 3 5triphenyltetrazolium formazan 5gm , 2 3 5 triphenyltetrazolium chloride ar 10gm , potassium hydroxide pellets ar 500gm , triethanolamine ar 500ml , antimony potassium tartrate trihydrate ar 500gm , gum acacia, powder 500gm , calcium carbonate ar 500gm , calcon indicator 5gm , magnesium oxide heavy ar 500gm

Central Government/Public Sector

CTN :41799796

03 Oct, 2025 38.7 Thousand

Hazaribag - Jharkhand

Tender For supply of orthophosphoric acid ar grade , ammonium acetate ar grade , sodium hexametaphosphateextrapure ar 65 70 , calcium chloride dihydrate acs 99 , diethylenetriaminepentaacetic acid dtpa extrapure ar 99 , triethylamine tea extrapure ar 99 5 , eriochrome black t extrapure ar , murexide ammonium purpurate extrapurear 98 , phenolphthalein extrapure ar 99 , methyl red extrapure ar , methyl orangeextrapure ar , potassium chromate extrapure ar 99 5 , ammonium ferric sulphate dodecahydrateextrapure ar acs 99 ammonium iron iii sulphate dodecahydrate ferric alum , diphenylamine extrapure ar 99 part a , methylene blue trihydrate , bromocresol green bcg extrapure ar , potassium ferricyanideextrapure 98 , pycnometer , bod bottles

CTN :41606004

18 Sep, 2025 NA

Bokaro - Jharkhand

Tender For corrigendum : laboratory chemicals and apparatus for tpp lab and environment lab. - lab items to be supplied, ammonium chloride reagent grade in 500 gm. pack grade: ar/emparta/ermake: merck / qualigens, ammonia liquor (25%) in 2.5 ltr. packgrade: ar/emparta/ermake: merck / qualigens/thermofischer, hydrochloric acid (35%) in 500 ml. packmake: merck, stannous chloride in 100 gm. packgr/emparta/er make: merck / qualigens, edta (disodium salt) in 100 gm. packmake: merck / qualigens/, potassium meta bi sulphite in 500 gm. packlr/emp/sq, oxalic acid in 500 gm. packgr/emparta/ermake: merck / qualigens / rankem, potassium sodium tartrate in 500 gm. packgr/emparta/ermake: merck / qualigens, barium hydroxide in 500 gm. packmake: merck / qualigens, sodum carbonate anhydrous ar in 500 gm. pack, murexide 98% in 5gm. packmake: merck / qualigens, methyl orange pure in 25 gm. packmake: merck / qualigens, potassium iodide in 100 gm. packmake: merck / qualigens/, phenolphthalein pure in 100 gm. packmake: merck / qualigens, potassium di chromate in 500 gm. packgrade: gr/emparta/er, laboratory beaker, graduated, low form, 500 ml. capmake: borosil/merck/ fisherbrand, conical flask-250 ml. cap.conical flask-250 ml. cap.make: borosil/merck/fisherbrand, pipette 5 ml cap bulb typemake: borosil/merck, laboratory beaker with spout, graduated, low form capacity: 250 ml.make: borosil /merck, ph electrode, range- 0 to 14 ph(pp body), laboratory flask, volumeteric, 500 ml. cap, with graduation, with stoppermake: borosil/merck/ fisherbrand, laboratory flask, volumeteric, 250 ml. cap, with graduation, with stoppermake: borosil/merck/ fisherbrand, laboratory flask, volumeteric, 100 ml. cap, with graduation, with stoppermake: borosil/merck/ fisherbrand, laboratory cylinder graduated-25 ml. cap, without stopper, 0.5 ml. sub-division, with spout, fixed basemake: borosil/merck/ fisherbrand, laboratory cylinder graduated-50 ml. cap, with stopper, 1ml. sub-division, with spout, fixed basemake: borosil /merck/ fisherbrand, laboratory cylinder graduated-100 ml. cap, without stopper, 1 ml. sub-division, with spout, fixed basemake: borosil /merck/ fisherbrand, laboratory cylinder graduated-500 ml. cap, with stopper, 5 ml. sub-division, without spout, fixed basemake: borosil /merck/ fisherbrand, laboratory beaker, graduated, 01 l cap, borosilicate glass, low form, with spoutmake: borosil/merck/ fisherbrand, ammonium molybdate in 01 kg. packgrade: gr/ emparta /ermake: merck/qualigens, metol in 100 gm. packmake: loba, sodium hydroxide ampoules [1n] soln. in 2/3 ampoules pack.make: merck/qualigens, eriochrome black t, in 100 gm. packmake: merck/qualigens, hydrochloric acid ampoules [1n] soln. in 2/3 ampoules pack.make: merck/qualigens, methyl red in 25 gm. packmake: merck, methanol in 2.5 ltr. packgr/emparta/ermake: merck / qualigens / rankem, mercuric iodide (emplura/sq) in 100 gm.packmake: merck / qualigens, sodium hydroxide (powder) in 500 gm. packgr/ emparta/ermake: merck / qualigens, ethanol, reagent grade, purity: 99% in 500 ml. pack, potassium hydroxide pellets (emparta / er) in 500 gm. packmake: merck / qualigen, pyregallol (emplura / er) in 100 gm. packmake: merck / qualigens, dimethyl amino benzaldehyde in 100 gm pack, (gr/emparta / er)make: merck / qualigens, glycerol anhydrous (emparta/ar/gr/er acs) in 500 ml. packmake: merck / qualigens, universal (ph) indicator in 500 ml. packmake: merck / qualigens, sulphuric acid (98%) analytical grade (ar/emparta/er) in 2.5 ltr. packmake: merck / qualigens / rankem, chlorotex reagent in 100 ml. packmake: qualigens, silica test reagent (0.005 to 1 mg/l) sio2make: hach / merck, hydrazine test reagent (4-600 g/l)make: hach / merck), phosphate test reagent(0.25 to 30 mg/l)make: hach / merck, iron test reagent (1 mg/l)make: hach/merck, chloride test reagent (0.1 to 25 mg/l)make: hach/merck, sulphate test reagent (2-70 mg/l)make: hach/merck, ammonia test reagent (0.02-2.5 mg/l)make: hach/merck, copper test reagent (0.02-2.5 mg/l)

Central Government/Public Sector

CTN :41777923

06 Oct, 2025 32.55 Lacs

Umiam - Meghalaya

Tender For tender for supply of copper sulphate (hi-arm), potassium sulphate (hi-ar), boric acid (hi-ar), methyl red hi-certm/acs, methyl red indicator, methylene blue, sodium hydroxide (naoh), petroleum ether (60-80 °c), hydrochloric acid abt. 35% pure, hi-artm, in hydrochloric acid solution, 2,2-diphenyl-1-picrylhydrazyl (dpph), nutrient agar, nutrient broth, methanol, chloroform, hi-artm, abts (2, 2'-azino-bis-3-ethylbenzothiazoline-6-sulfonic acid), sodium sulfate anhydrous, acetic acid glacial, hi-artm, potassium iodide, hi-arm, sodium thiosulphate, 0.in, sodium thiosulphate anhydrous, hi-artm, starch, potassium permanganate, formaldehyde sol 37-41%, hi-lrtm, hiclean (liquid soap), empty tip box, autoclavable, for 1000 µl tips, manganese (ii) sulphate monohydrate, salicylic acid, hi-arm, sodium azide. hi-artm, edta free acid, hi-artm, ammonium chloride, hi-art™, sodium chloride, hi-artm, silver nitrate, hi-artm, potassium chromate, hi-artm, sulphanilamide, hi-artm, potassium nitrite, hi-art™, cupric sulphatepentahydrate, hi-artm, hydrazine sulphate, hi-art™, sodium nitroprussidedihydrate, hi-arim, sodium hypochlorite, hi-artm, potassium antimony (iii) oxide tartrate, trihydrate, hi-artm, ammoniummolybdatetetrahydrate, hi-artm, l-ascorbic acid, hi-artm, bromocresol green indicator, eriochrome black t, hi-cert™, n-(1-naphthyl)ethylenediaminedihydrochloride, hi-artm, acetone, hi-artm, ammonium sulphate, hi-artm, calcium chloride dihydrate, hi-artm, diphenylamine, hi-artm, ferrous ammonium sulphatehexahydrate, hi-artm, manganese (ii) carbonate, potassium dichromate, hi-artm, sodium hexametaphosphate. hi-artm, sodium bicarbonate, hi-arm, potassium dihydrogen orthophosphate, monobasic, hi-artm

Central Government/Public Sector

CTN :41739317

29 Sep, 2025 2.36 Lacs

Hazaribag - Jharkhand

Tender For supply of ethanol , magnesium oxide , calcium carbonate , ammonium hydroxide , hydroxylamine hydrochloride , magnesium nitrate hexahydrate , magnesium sulphate , orthophosphoric acid 85 , 0 005n naoh , n octyl alcohol , magnesium oxide powder , sulphamic acid , mono calcium phosphate monohydrate , calcium nitrate , carmine , dtpa , hydroxylamine hydrochloride 99 , mannitol 99 , salicylic acid , calcon , aluminon , thioglycollic acid , aluminium chloride , tryptone , toluene 99 , fluorescein diacetate , fluorescein , l ascorbic acid , ammonium acetate , ammonium fluoride , ammonium molybdate tetrahydrate 99 , antimony potassium tartrate , barium chloride , boric acid , bromocresol green , calcium chloride dihydrate , calcium sulphate dehydrated powder , copper sulphate pentahydrate , diphenylamine indicator , eriochrome black t , ammonium ferrous sulphate , glacial acetic acid , gum acacia , methyl red , methanol , phenolphthalein , p nitrophenol 98 , potassium chloride , potassium dihydrogen o phosphate , potassium dichromate , potassium permanganate , sodium bicarbonate , sodium fluoride , sodium hexametaphosphate , sodium hydroxide pellets , triethanolamine tea , 2 3 5 triphenyl tetrazolium chloride , 1 3 5 triphenyltetrazolium formazan , nitric acid 68 70 , sulphuric acid 98 , perchloric acid 70 , chloroform , sodium polytungstate , hydrochloric acid , ammonia solution 25 , visking dialysis tube 22mm diameter , hydrofluoric acid 48 , charcoal activated , devardas alloy 45 al 50 cu 5 zn ar acs pack of 250g , ammonium metavendate , triethanol amine , acetone 99 , ctab cetyltrimethyl ammonium bromide 99 , 2 octanol , tannic acid , sodium tungstate dihydrate 99 , phosphomolybdic acid 99 , sodium carbonate anhydrous 99 , nutrient agar , nutrient broth , agar powder purified bacteriological grade , aleksandrow agar , azospirillum medium w 0 17 agar twin pack , jensen s medium agar , king s medium b base w 1 5 agar , nutrient broth , pikovskaya s agar , yeast mannitol agar w congo red , zinc solubilizing agar , peptone bacteriological

Central Government/Public Sector

CTN :40995287

23 Sep, 2025 NA

Bilaspur - Chhattisgarh

Tender For procurement of fine chemicals for laboratory uses. - ammonia, acetone,ar/gr/excelar/emparta, ferrous ammonium sulphate,ar/gr/excelar+, ammonium molybdate,ar,1kg, ammonium purpurate,ar, ammonium thiocyanate,ar/gr/excelar+, ansa,ar/gr/excelar/emparta,100gm, copper sulphate,ar/gr/excelar/emparta, dextrose glucose,anhydrous,ar/gr+, eriochrome black t,indicator,25gm, diisopropylamine,f/sodium analyzer, methanol dried,ar/gr/excelar/emparta, ethanol,ar/gr/excelar/emparta,500ml, hexamine, manganous sulphate,monohydrate, hydrazinium sulphate,ar/gr/excelar+, methanol,ar/gr/excelar/emparta,2.5l, quinhydrone,ar/gr/excelar/emparta, silver sulphate,gr, sodium azide,ar/gr/excelar/emparta, soda lime pellets, ferrous (ferrozine),ar,1gm, formic acid,ar/gr/excelar/emparta, acetic acid glacial,ar/gr/excelar+, mercuric iodide,ar,99%,red, mercuric thiocyanate,75gm, methyl red,powder, methyl orange,ar, para-dimethylaminobenzaldehyde,ar,100gm, petroleum ether,c6h14,lr,2.5l, nitric acid,2.5l, oxalic acid,c2h2o4,ar/gr/excelar/emparta, sodium hydroxide pellets,gr,500gm, toluene,ar/gr/excelar/emparta, thioglycolic acid,ar/gr/excelar/emparta, ascorbic acid,ar/gr/excelar/emparta, sodium thiosulfate,ar/gr/excelar/emparta, starch soluble,lr,500gm, phenolphthalein,ar,50gm glass, pyrogallol,ar, potassium hydrogen phthalate,ar/gr+, sulphuric acid,ar,98%,2.5l, sodium diethyldithiocarbamate,ar/gr+

CTN :41305413

08 Sep, 2025 NA

Katihar - Bihar

Tender For bid to ras 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

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

CTN :41553886

13 Sep, 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

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