Latest ph buffer solution Tenders | Government ph buffer solution Tenders

State Government

CTN :45246819

29 May, 2026 NA

Ranchi - Jharkhand

Tender For request proposal for supplying various chemicals and reagents in 16 nos.of water testing laboratories under dw and sd, jharkhand ranchi zone - turbidity (crm must be nist traceable with uncertainty of measurement (uom) validity period at least 2 years with certificate) - 400 ntu-standard 500 ml/bottle iso- 17034 certified, potassium chloride (kcl)-500gm/pkt, cone. sulphuric acid-(ar grade)-500ml/bottles, ph buffer solution (crm must be nist traceable with uncertainty of measurement (uom) validity period at least 2 years with certificate) 4.01-(500ml/bottle) iso-17034 certified, ph buffer solution (crm must be nist traceable with uncertainty of measurement (uom) validity period at least 2 years with certificate) 7.00-(500ml/bottle) iso-17034 certified, ph buffer solution (crm must be nist traceable with uncertainty of measurement (uom) validity period at least 2 years with certificate) 9.18.00-(500ml/bottle) iso-17034 certified, sodium carbonate (na2co3) (crm must be nist traceable with uncertainty of measurement (uom) validity period at least 2 years with certificate) 80 grm/pkt iso- 17034 certified, calcium carbonate (caco3) (crm must be nist traceable with uncertainty of measurement (uom) validity period at least 2 years with certificate) 50 grm/pkt iso- 17034 certified, sodium standard solution -1000 ppm (crm must be nist traceable with uncertainty of measurement (uom) validity period at least 2 years with certificate) 500ml/l iso- 17034 certified, potassium standard solution -1000 ppm (crm must be nist traceable with uncertainty of measurement (uom) validity period at least 2 years with certificate) 500ml/l iso- 17034 certified, copper standard solution -1000 ppm (crm must be nist traceable with uncertainty of measurement (uom) validity period at least 2 years with certificate) 500mi/i iso-17034 certified, sodium chloride (nacl) (crm must be nist traceable with uncertainty of measurement (uom) validity period at least 2 years with certificate) 80 grm/pkt iso-17034 certified, potassium chloroplatinate 500ml/bottle (crm must be nist traceable with uncertainty of measurement (uom) validity period at least 2 years with certificate) iso-17034 certified), nitrate standard solution 1000ppm (crm must be nist traceable with uncertainty of measurement (uom) validity period at least 2 years with certificate) 500ml/bottle iso-17034 certified), iron standard solution 1000ppm (crm must be nist traceable with uncertainty of measurement (uom) validity period at least 2 years with certificate) 500ml/bottle iso-17034 certified), arsenic standard solution 1000ppm (crm must be nist traceable with uncertainty of measurement (uom)validity period at least 2 years with certificate) 500ml/bottle iso-17034 certified), colour standard500 pt-co units (crm/srm must be nist traceable with uncertainty of measurement (uom) validity period at least 2 years with certificate 500 ml/bottle 17034 certified), sulphate standard 1000ppm ((crm must be nist traceable with uncertainty of measurement (uom) validity period at least 2 years with certificate) 500ml/bottle iso-17034 certified), mixed standard for icp-oes machine (multi elements that essentially include-al, as, fe, fl, cd, co, pb, mn, ni, z, crm-1000ppm iso-17034 certified-500ml/bottle, fluoride standard solution 1000ppm (crm must be nist traceable with uncertainty of measurement (uom)validity period at least 2 years with certificate) 500ml/bottle iso-17034 certified), total dissolved solids 1000ppm(crm must be nist traceable with uncertainty of measurement (uom) validity period at least 2 years with certificate) 500ml/bottle iso-17034 certified), conductivity standard solution 1.41 ms/cm (crm must be nist traceable with uncertainty of measurement (uom) validity period at least 2 years with certificate) 50ml/bottle iso-17034 certified), methyl orange solution 125 ml/bottle, bromocresol green indicator 125 ml/bottle, phenolphthalein green indicator 125 ml/bottle, sodium hydroxide 500 gm/pkt, edta salt 500

State Government

CTN :45249078

29 May, 2026 NA

Ranchi - Jharkhand

Tender For request proposal for supplying various chemicals and reagents in 15 nos.of water testing laboratories under dw and sd, jharkhand dumka zone - turbidity (crm must be nist traceable with uncertainty of measurement (uom) validity period at least 2 years with certificate) - 400 ntu-standard 100 ml/bottle iso- 17034 certified, potassium chloride (kcl)-500gm/pkt, cone. sulphuric acid-(ar grade)-500ml/bottles, ph buffer solution (crm must be nist traceable with uncertainty of measurement (uom) validity period at least 2 years with certificate) 4.01-(500ml/bottle) iso-17034 certified, ph buffer solution (crm must be nist traceable with uncertainty of measurement (uom) validity period at least 2 years with certificate) 7.00-(500ml/bottle) iso-17034 certified, ph buffer solution (crm must be nist traceable with uncertainty of measurement (uom) validity period at least 2 years with certificate) 9.18.00-(500ml/bottle) iso-17034 certified, sodium carbonate (na2co3) (crm must be nist traceable with uncertainty of measurement (uom) validity period at least 2 years with certificate) 80 grm/pkt iso- 17034 certified, calcium carbonate (caco3) (crm must be nist traceable with uncertainty of measurement (uom) validity period at least 2 years with certificate) 50 grm/pkt iso- 17034 certified, sodium standard solution -1000 ppm (crm must be nist traceable with uncertainty of measurement (uom) validity period at least 2 years with certificate) 500ml/l iso- 17034 certified, potassium standard solution -1000 ppm (crm must be nist traceable with uncertainty of measurement (uom) validity period at least 2 years with certificate) 500ml/l iso- 17034 certified, copper standard solution -1000 ppm (crm must be nist traceable with uncertainty of measurement (uom) validity period at least 2 years with certificate) 500mi/i iso-17034 certified, sodium chloride (nacl) (crm must be nist traceable with uncertainty of measurement (uom) validity period at least 2 years with certificate) 80 grm/pkt iso-17034 certified, potassium chloroplatinate 500ml/bottle (crm must be nist traceable with uncertainty of measurement (uom) validity period at least 2 years with certificate) iso-17034 certified), nitrate standard solution 1000ppm (crm must be nist traceable with uncertainty of measurement (uom) validity period at least 2 years with certificate) 500ml/bottle iso-17034 certified), iron standard solution 1000ppm (crm must be nist traceable with uncertainty of measurement (uom) validity period at least 2 years with certificate) 500ml/bottle iso-17034 certified), arsenic standard solution 1000ppm (crm must be nist traceable with uncertainty of measurement (uom)validity period at least 2 years with certificate) 500ml/bottle iso-17034 certified), colour standard500 pt-co units (crm/srm must be nist traceable with uncertainty of measurement (uom) validity period at least 2 years with certificate 500 ml/bottle 17034 certified), sulphate standard 1000ppm ((crm must be nist traceable with uncertainty of measurement (uom) validity period at least 2 years with certificate) 500ml/bottle iso-17034 certified), mixed standard for icp-oes machine (multi elements that essentially include-al, as, fe, fl, cd, co, pb, mn, ni, z, crm-1000ppm iso-17034 certified-500ml/bottle, fluoride standard solution 1000ppm (crm must be nist traceable with uncertainty of measurement (uom)validity period at least 2 years with certificate) 500ml/bottle iso-17034 certified), total dissolved solids 1000ppm (crm must be nist traceable with uncertainty of measurement (uom) validity period at least 2 years with certificate) 500ml/bottle iso-17034 certified), conductivity standard solution 1.41 ms/cm (crm must be nist traceable with uncertainty of measurement (uom) validity period at least 2 years with certificate) 500ml/bottle iso-17034 certified), methyl orange solution 125 ml/bottle, bromocresol green indicator 125 ml/bottle, phenolphthalein green indicator 125 ml/bottle, sodium hydroxide 500 gm/pkt, edta salt 50

CTN :45245157

02 Jun, 2026 97.01 Lacs

Chhabra - Rajasthan

Tender For supply along with service support of the of forbes marshall make spares of the swas system and supply of spares for the oxygen analyzer oxitec 5000 for unit # 1 to 4, ctpp, chhabra - ph measurement, ph sensor model (fm1104) range: 0-14, 05meter connecting cable includedmake : forbes marshall pvt. ltd.model : fm1104 cable : 5m connecting cable included, buffer amplifier for ph sensor fm1104 with 6 core cable 30 mmake-forbes marshall, dual channel ph analyser with controller and display make-forbes marshall,model-aqua4trans,transmitter : 4-wire 2 channel aqua4trans,part no. a4t-p-0-1-1-1-00, output : 4-20ma, ph buffer solution for ph 7 and ph 9.21 , 500 ml each, conductivity measurement, specific conductivity sensormake- forbes marshall,part no. - fgf4wfm8311, cation conductivity sensormake- forbes marshall,part no. - fgf4wfm8310, cable for conductivity elctrode fm831x length 15 mtr make- forbes marshall,part no. -fgf4wm4e-ccable15m, dual channel conductivity analyser with controller and display, aqua 4 trans 4 wire dual channel conductivity analyser with controllerand display (k 0.1)make - forbes marshall , transmitter 4 wire 2 channel aqua4-trans 1 nos, part no:a4t-p-0-3-3-1-00 , output 4-20 ma, aqua 4 trans 4 wire dualchannel conductivity analyser withcontroller and display k 0.01)make : forbes marshalltransmitter : 4-wire 2 channel aqua4trans-1 no.part no. a4t-p-0-3-3-1-00output : 4-20ma, sampling accessories, high pressure isolation globe valvemake-forbes marshal,model no. vkinm11.2500.1/2:17.41,s.n. fgi 815, high pressure reducermake-forbes marshal,part no. c4w-relisafe-prf4w2011570,as per asme ptc 19.11 standard,moc:ss316,end connections:1/4" od, back pressure regulatormake-forbes marshal,part no. fgf4w2011720, spares of the oxygen analyzer oxitec 5000, thermocouple with sleeve tube for o2 probe kes5003part no. :- c4n-kes5003tc, oxygen measuring zirconia cell for o2 probe kes5003part no. :- :-c4n-zo2-0002zro2 oxygen measuring cell (for safe probes)complete with gasket and va screws p/n. zo2-0001, heater for o2 probe kes5003internal part no. :- c4n-5003heater, probe heater with inconel covering for kes5003probe, p/n.hei-2003, ceramic filter for o2 probe kes5003part no. :- c4n-o2-spares-00111,o2 analyzer,spares,part ofprobe,basalt filter with cement,for highdust application, protection pipe for o2 probe kes5003part no. :- c4n-o203-c11x,o2 analyser,protection tube suitable forkes2003 & kes5003 probe,4processconnection,ss316l,with suitable site flangeand gasket, sov for o2 probe kes5003part no. :- c4n-solvalve,test gas electrosolenoid valve for auto calibration,110 vac supply operated

CTN :45273531

22 Jun, 2026 56.5 Thousand

Thiruvananthapuram - Kerala

Tender For purchase of chemicals - chemicals, acetone 500 ml, ammonia solution 500 ml, ammonium molybdate 100g, bromocresol green 125 ml, cleansol, d fructose 250 gm, d glucose 500 gm, egg albumin 500 gm powder only, fouchet s reagent 125 ml, concentrated hydrochloric acid 500 ml, hydrogen peroxide 33%, 500 ml, concentrated pure nitric acid 500 ml, phenylhydrazine hydrochloride 100g, sodium hydroxide pellets 500g, sodium hypobromite solution 125 ml, starch soluble 500g, concentrated sulphuric acid 500 ml, thymol blue indicator 125 ml, ph buffer solution ph 9.2, 250 ml, ph buffer solution ph 4, 250 ml, ph buffer solution ph 7, 250 ml, benzidine reagent 250g, creatine monohydrate 250 gm, uric acid 10g, blue litmus paper, red litmus paper, antisera kit for abo blood grouping containing (antisera a - 10 ml, antisera b - 10 ml, antisera o - 10 ml), betadine scrub 500 ml, reagent kit glucose for auto analyzer (2 x 100 ml kit), leishman stain (cytochrome stainted modified leishman with stock buffer 2x), rbc diluting fluid (125 ml / bottle), wbc diluting fluid (125 ml / bottle), 3.8 % trisodium citrate solution (500 ml), distilled water 5l, eosinophil diluting fluid 125 ml (dunger s fluid), 1 % ammonium oxalate solution (125 ml), 1 % brilliant cresyl blue solution for reticulocyte count (125 ml), glycerol (medical purpose), agar agar powder 500g (bacteriological), nutrent agar 100g, blood grouping antisera (a,b,d) kit 10 ml each, safranin stain 125 ml, bile salt powder 500g, calcium carbonate 500g, silver nitrate 25g, iodine pellets 100g, mercuric sulphate 500 ml, butter paper, gingelly oil, dippel s oil (bone oil) 500 ml, ammonium hydroxide 500g, non greasy ph balanced vaginal gel (sterile, water soluble lubricating gel)

CTN :45256033

02 Jun, 2026 97.01 Lacs

Baran - Rajasthan

Tender For supply along with service support of the of forbes marshall make spares of the swas system and supply of spares for the oxygen analyzer oxitec 5000 for unit 1 to 4, ctpp, chhabra - ph sensor model , (fm1104) range: 0-14, 05meter connecting cable included , buffer amplifier for ph sensor fm1104 with 6 core cable 30 m , dual channel ph analyser with controller and display , ph buffer solution for ph 7 and ph 9.21,500 ml each , specific conductivity sensor , cation conductivity sensor , cable for conductivity elctrode fm831x length 15 mtr , dual channel conductivity analyser with controller and display, aqua , 4 trans 4 wire dual , channel conductivity , analyser with controller and display (k 0.1) , aqua 4 trans 4 wire , dual , channel conductivity , analyser with , controller and display , (k 0.01) , high pressure isolation globe valve , high pressure reducer , back pressure regulator , thermocouple with sleeve tube for 02 probe kes5003 , oxygen measuring zirconia cell for 02 probe kes5003 , heater for 02 probe kes5003 , ceramic filter for 02 probe kes5003 , protection pipe for 02 probe kes5003 , sov for 02 probe kes5003

State Government

CTN :45245842

01 Jun, 2026 NA

Hooghly - West Bengal

Tender For supply and delivery of various chemicals and laboratory equipment. sample container, ploypropyiene, autoclavable, wide mouth, suitable for ,bacteriological water sample collection bottle 250 ml ,sample collection bottle 200 ml ,ph buffer solution 4.00 ,ph buffer solution 7.00 ,ph buffer solution 10.00 ,conductivity solution 1413 us/cm@ 25 degree c-500 ml

Central Government/Public Sector

CTN :45224498

26 May, 2026 NA

Tiruchirappalli - Tamil Nadu

Tender For supply of copper reagent , ferrover iron reagent , drb200 reactor , hq440d benchtop meter , gel-filled probe , kto-ph buffer solution , conductivity probe , sodium chloride , ldo probe , aa orp gel-filled probe , orp std soln , ammonium molybdate , universal probe stand , aa -power supply

CTN :45237605

02 Jun, 2026 NA

Khorda - Odisha

Tender For supply of ph buffer solution ph4.0 crm chemical , ph buffer solution ph7.0 crm chemical , ph buffer solution ph9.2 crm chemical , ph buffer capsules ph 4.0 , ph buffer capsules ph7.0 , ph buffer capsules ph 9.2 , conductivity solution 1.41 ms cm-crm chemical , standard turbidity solution 1000 ntucrm chemical , magnesium chloride mgcl2.6h2o , sodium acetate ch3coona.3h2o , potassium nitrate kno3 , acetic acid 99 percent , barium chloride , sodium sulfate anhydrous , sulfuric acid conc. , sulfate standard solution1000ppm crm chemical , hydrochloric acid concentrate hc , hydroxylamine hydrochloride nh2oh.hcl , ammonium acetate nh4c2h3o2 , acetic acid glacial conc.acetic acid , phenanthroline , potassium dichromate crm chemical , iron standard solution1000ppm crm chemical , filter paper whatman41 , extran neutrallaboline for cleaning of glassware , spadns , fluoride standard solution1000ppmcrm chemical , fluoride standard solution with tisab ii 1 ppm , fluoride standard solution with tisab- ii10 ppm , tisab-ii for fluoride , fluoride electrode filling solution , hydrochloric acid ampules 1n , nitrate standard solution 1000ppmcrm chemical , interference supressor solution iss , ionic strength adjuster isa , nitrate electrode filling solution , silver nitrate agno3 , potassium chromatek2cro4 , sodium chloride nacl , conc. ammonium hydroxide nh4oh , sodium chloride - crm chemical , sulfuric acid ampules 0.1n , sodium carbonate na2co3 , bromocresol green indicator solution , universal indicator solution , methyle red indicator solution , phenolphthalein indicator solution , sodium carbonate crm chemical , edta disodium salt ampules 0.1m , edta disodium salt , ammonia buffer solution , eriochrome black t ebt , calcium carbonate anhydrous , calcon indicator , sodium hydroxide , calcium carbonate crm chemical , collilort 18 , quanty tray , culture media plates for count of both tc ec bacteria along with 0 45 micron membrane filter paper pack of 100 test , culture media plates for count of fc bacteria along with 0 45 micron membrane filter paper pack of 100 test , rt pcr test kit for salmonella typhi , rt pcr test kit for vibrio cholerae , rt pcr test kit for hepatitis a , rt pcr test kit for hepatitise , rt pcr test kit for entero virus , rt pcr test kit for rota virus , dna extraction kit for 12 reactions , rna extraction kit for 12 reactions , mtcc pure culture e coli , mtcc pure culture enterobacter aerogenes , mtcc pure culture pseudomonas aeruginosa , mtcc pure culture enterococcus faecalis , spore strips geobacillus stearothermophilus , soyabin casein digest agar plate with 5 percent sheep blood , 47 mm dia filter paper for pcr , silver peroxide , ethanol , 500 cu platinum- cobalt color standard solution , platinum-cobalt color standard crm chemcial , nitric acid concentrate , nitric acid icp ms grade , setup solution for icpms nexion 2000 , dual detector solution for icpms nexion 2000 , multielement standard 100ppm for icpms nexion 2000 , mercury standard solution for icpms nexion2000 , boron standard soltion for icpms nexion 2000 , arsenic standard solution for icpms nexion-2000 , 25 to 35 dia syringe filter paper capsules for icp ms , 15ml centrifuse tube with screw cap-graduated pp for icp ms , 50ml centrifuse tube with screw cap-graduated self-standing pp for icp ms , total dissolved solids tds crm chemical , potassium iodide , starch soluble , sodium thiosulfate , sodium bicarbonate , potassium dichromate , n hexane //bid details 2 / 59

State Government

CTN :45207539

25 May, 2026 7.76 Lacs

Chitradurga - Karnataka

Tender For providing and supplying of chemicals and crms for district and taluk level chemical laboratories in chitradurga - turbidity crm 500 ppm, (each of 500ml), colour (pt-co) crm 1000 ppm, (each of 500ml), total hardness - eriochrome black t ar (each of 25grams), total hardness - edta ar (each of 500grams), total hardness -ammonium chloride ar (each of 500grams), total hardness - triethenolamime ar (each of 500grams), sodium chloride crm, (each of 80grams), calcium carbonate crm(each of 80grams), sodium carbonate, crm (each of 50grams), potassium dichromate, crm (each of 80grams), chloride - pottassium chromate ar (each of 500grams), chloride - silver nitrate ar (each of 25grams), calcium hardness - sodium sulphate a r (each of 500grams), fluoride method (3) spadns photometric method - zirconium oxy chloride octahydrate ar (each of 100grams), sulphate method (1) nephelo turbidity meter - glycerol ar(each of 500ml), sulphate method (2) spectrophotometer method - magnesium chloride ar (each of 500grams), toluene (each of 500ml), bromocresol green indicator (each of 25grams), copper sulphate (each of 25grams), hexane (each of 500ml), chemical/ reagents- std. sulphate solution 1000 ppm, reagentsrs,nist trasable standard (each of 500ml), ethanol (each of 500ml), saturate kcl solution for ph prob (each of 59ml), cuvette for turbiditymeter., distillation water (each of 5ltr), iron method (1) 1-10 phenanthroline method - ammonium acetate ar(each of 500grams), iron method (1) 1-10 phenanthroline method - pottassium permanganate ar (each of 500grams), iron method (1) 1-10 phenanthroline method - glacial acetic acid ar (each of 500ml), iron method (1) 1-10 phenanthroline method - hydroxylamine hydrochloride ar (each of 500grams), iron method (1) 1-10 phenanthroline method - sodium acetate ar (each of 500grams), iron method (1) 1-10 phenanthroline method - conc. hydrochloric acid ar (each of 500ml), amonia (each of 500ml), mixed indicator (each of 125ml), pattons & reeders reagent (calconcarboxylic acid) (each of 25grams), chemical/ reagents-buffer solution (ammonia/amm.chloride), reagentsr2 (each of 500ml), chemical/ reagents-ebt 1%, reagent-sr3 (each of 100grams), chemical/ reagents-barium chloride, reagent-ar (each of 500grams), ph buffer solution (crm) (4.01) (each of 500ml), ph buffer solution (crm) (7.00) (each of 500ml), ph buffer solution (crm) (10.01) (each of 500ml), turbidity - hydrazine sulphate ar (each of 500grams), turbidity - hexamethylene tetramine ar (each of 100grams), total alkanity - phenolphthalein indicator (each of 125ml), total alkanity - methyl orange indicatorr (each of 125ml), total alkanity - sulphuric acid ar (each of 500ml), condutuity solution (crm) (1413 ) (each of 500ml), iron method (1) 1-10 phenanthroline method - 1,10, phenanthroline monohydrate ar (each of 5grams)

Central Government And Public Sector

CTN :45177465

02 Jun, 2026 NA

Pondicherry - Pondicherry

Tender For supply of kim wipes , molecular grade ethanol 500ml , autoclave indicator tape , sterapid spray bottle 500ml , dmem media 10l , strepto-pencillin antibiotic 6g , dimethyl sulphoxide, dmso, 500ml , sterapid 500ml , ivermectin 12mg , whatman no 1 filter paper , stericup 500ml , filter paper sheets, 46,57cm,10 , 3 4 5 dimethylthiazol 2 y1 2, 5 diphenyl tetrazolium bromide, mtt, 500mg , phosphate buffer solution 500ml , 96 well plate , 24 well tissue culture plate , 6 well tissue culture plate , methanol molecular grade 5l , n hexane molecular grade 5l , ethanol molecular grade 1l , tween 20 100ml , tween 80 100ml , temephos larvicide 5g , bugdorm insect rearing cage, colour white, size w30 x b30xh30 cm, front , clear vinyl, back side and top pannels, nylon netting, floor white vinyl , liquid paraffin 400ml , dressing gauze bandage roll 15cm x 4 mtr , dressing gauze bandge roll 8cm x 4 mtr , inj penidure la 12, benzathine penicillin 12 lakh units , water for injection 10ml , water for injection 5ml , white petroleum 500gms , pinkare lancents for rbs testing , im needle 22g , 1m needle 21g , glucose test strips for accu chek instant.s , glucose test strips for accu chek active , potassium permanganate , clotrimazole soap , normal saline 500ml , savlon 500ml , inj neurobion , inj tt ) /bid number : gem/2026/b/7528953 * /dated: 12-05-2026 & & / bid document 1 / 38

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