Latest pearl coke Tenders | Government pearl coke Tenders

State Government

CTN :40841890

25 Jul, 2025 NA

Kamrup - Assam

Tender For corrigendum : supply and installation of laboratory equipment experimental setup for fyimp ug practical classes at the department of physics, gauhati university - laboratory equipments/experiment set ups, experiment name: to verify the law of malus for plane polarised lighttechnical specifcations:i. light source: - led: 532 nm or 635 nm ( 2 nm stability), 1 5 mw adjustable output. - unpolarized (extinction ratio >500:1). - collimated beam (divergence 0.5 mrad); qty-1ii. polarizers- glan-thompson or polymer film. - extinction ratio 10 :1 @ operating wavelength.- mounted in 50 mm rotation holders.; qty-2iii. rotation stage- motorized analyzer rotation (0.05 resolution). - accuracy: 0.1 . - range: 0 360 (continuous).; qty-1iv. photodetector- silicon photodiode (400 1100 nm). - linearity: r 0.999 (0.1 w 5 mw).- digital readout: 0.1 w resolution.; qty-1v. optical bench-- anodized rail ( 60 cm) with kinematic mounts. - vibration-damping feet.; qty-1, experiment name: to determine thespecific rotation of sugar solution using polarimetertechnical requirementsa.core instrumenti. light source- - sodium d-line (589.3 nm) or tunable led ( 2 nm stability). - output stability: 0.2% drift/hour.ii. polarizer/analyzer- glan-thompson prisms or high-grade polymer film. - extinction ratio 10,000:1 at 589 nm.iii. rotation stage- motorized with 0.001 resolution.- accuracy: 0.005 .- range: -90 to +90 .iv. sample cell-- borosilicate glass tubes with precision ground ends. - path lengths: 0.5 dm, 1.0 dm, 2.0 dm ( 0.01 dm tolerance). - temperature-controlled jacket (5 50 c 0.1 c).v. detector- photomultiplier tube (pmt) or low-noise photodiode. - linearity: r 0.999 over 0.1 w 5 mw rangevi. enclosure- light-tight with vibration damping. - internal black anodized surfaces.b.measurement specificationsi. specific rotation: range: -180 to +180 resolution: 0.001 accuracy: 0.01 ii. concentration-range: 0.01 0.5 g/ml (sucrose in water) detection limit: 0.001 g/mliii. temperature control-stability: 0.1 c at 20 c (standard condition), experiment name: to determine the wavelength and velocity of ultrasonic waves in a liquid (kerosene oil, xylene, etc.) by studying the diffraction through ultrasonic gratinga.core componentsi. ultrasonic generator- - frequency range: 1 10 mhz ( 0.1% stability). - adjustable output: 0 50 w. - digital display (resolution: 0.01 mhz).ii. transducer- piezoelectric (pzt) crystal, resonant at 2 5 mhz. - liquid-coupled design for efficient energy transferiii. liquid cell- optical glass (low thermal expansion). - dimensions: 100 50 50 mm (l w h). - sealed with quartz windows.iv. light source- he-ne laser (632.8 nm, 2 mw) or sodium lamp (589.3 nm). - beam collimation: 0.5 mrad divergence.v. optical system- adjustable slit (10 500 m). - collimating lens (f = 150 mm, 50 mm). - precision rotation stage for detector (0.01 resolution).vi. detection system- photodiode/pmt detector with linear response (400 800 nm). - traveling microscope (0.01 mm resolution) or ccd camera ( 5 mp).b.measurement specificationsi.wavelength ( )range: 0.1 2 mm, resolution: 0.001 mm, accuracy: 1%ii. velocity (v)range: 800 2000 m/s (liquids) resolution: 1 m/s accuracy: 2%iii. diffraction angles- measurement range: 30 resolution: 0.01 , experiment name: to verify the stefans law of radiation and to determine stefan s constanta.core componentsi.black body radiator- cavity-type design (emissivity 0.99). - material: nickel-plated copper.- operating range: 50 c 600 c. - aperture diameter: 10 mm 0.1 mm.ii. heating system- pid-controlled furnace (0 600 c). - stability: 0.5 c at 300 c. - power: 500 w (ac 230v).iii. temperature sensor- type k thermocouple or pt100 rtd. - accuracy: 0.5 c at 500 c (nist-traceable).iv. radiation detector- thermopile sensor (spectral range: 0.3 20 m). - responsivity: 10 v/w.- active area: 10 10 mm .v optical path. - water-cooled collimating tube with baffles.- adjustable aperture to define solid angleb.measurement specificationsi. temperature range100

Central Government/Public Sector

CTN :41115058

16 Aug, 2025 NA

Hamirpur(Hp) - Himachal Pradesh

Tender For supply of monocrotophos 250 ml , ciprofloxacin 25 gm , tetracycline 25 gm , ethanol 500 ml , sulphuric acid h2so4 1 litre , phosphoric acid 1litre , nitric acid hno3 1litre , methanol 2 point 5 litre , uv quartz cuvette for spectrophotometer pathlength 10mm volume 1ml set of 2 , beaker 1000 ml , beaker 500 ml , beaker 100 ml , measuring cylinder 500 ml , measuring cylinder 100 ml , measuring cylinder 50 ml , micropipette 2 to 20 microliter , round magnetic stirrer bar with pivot ring 8mm by 40mm pack of 10 , round magnetic stirrer bar with pivot ring 8 mm by 65mm pack of 10 , aluminium foil 20 microns 1kg , parafilm dispenser , staining box 22 point 5cm by 22 point 5 cm by 5cm , glass culture tubes flat bottom 15 ml pack of 100 , tetrabutyl titanate 250gm , cobalt nitrate hexahydrate 99 percent 100gm , titanium isoproxide 200 ml , thiourea 250 gm , ammonium fluoride 98 percent 250 gm , sodium sulphate anhydrous 250 gm , florine doped tin oxide fto 50mm by 50mm 2 point 2 mm less than equal to 15 ohm per square , ti foil purity 99 point 95 percent thickness zero point 1mm 250gm , citric acid 99 point 5 percent 500 gm , ferric chloride hexahydrate 99 percent 250gm , titanium iii chloride 250ml , sodium nitrate 99 percent 250gm , sodium fluoride 99 percent 250gm , nafion n 117 thickness zero point 18mm length 15cm width 15cm , syringaldehyde greater than equal to 99 percent 100 gm , cystamine dihydrochloride 97 percent 100 gm , 4 comma 4 dithiodianiline greater than 98 percent 25gm , precoated aluminium plates for tlc , micro syringe filter zero point 22 micrometer , chemical protection safety goggles , nitrile gloves medium 100 numbers per pack , falcons 15 ml 500 numbers per pack , falcons 50 ml 500 numbers per pack , forceps 100 mm , 96 well microplate flat bottom clear polystyrene pack of 50 , disposable serological mini pipettes 10 ml individually packed 100 number per pack , berberine chloride 10 gm , g quadruplex zero point 5 micromolar , mitoxantrone 200 mg , ct dna 5mg , glycine 250gm , dl phenylalanine 50 gm , dl valine 25 gm , benzensulphonyl chloride 500 ml , tempo 25 gm , potassium carbonate 500gm , copper iodide 100gm , sodium hydride, 100 gm , sodium chloride 500 gm , calcium chloride 500gm , sodium hydroxide 500 gm , iron filligs 100 gm , benzyl amine 500 ml , glass vails 5ml 100 numbers per pack , 8 aminoquinoline 05 gm , 1 butyl 3 methylimidazolium chloride bmim cl extrapure 98 percent 25 gm , lysozyme 3x cryst ex egg white muramidase for molecular biology 15000 u per mg powder 01 gm , dioctyl sodium sulfosuccinate doss exiplus multi compendial 98 percent aerosol ot ducusate sodium 500 gm , 1 ethyl 3 methylimidazolium chloride emim cl extrapure 98 percent 05 gm , pyrene 98 percent 01 gm , sodium lauryl sulphate sds sls for molecular biology 99 percent 25 gm , cetyltrimethyl ammonium bromide ctab extrapure ar grade 99 percent 100 gm , graphite synthetic type 1 pure 98 percent c 50 mesh 500 gm , albumin human serum rhsa 100 gm , casein fat free ultrapurified zero point 2 percent fat 500 gm

CTN :41115316

08 Aug, 2025 NA

Hyderabad - Telangana

Tender For supply of spares and consumables for icp oes and gd oes analysers : : - rf coil kit , inner quartz tube , outer quartz tube , alumina injector , teflon spacer , rf generator icp generator plus connection kit , match box motor , plasma ignitor , nebuliser mira mist peek body , fc tube prs 2 point 7 by 4 red-5m , fc tube prs 2 point 7 by 4 blue-5m , fc tube prs 2 point 7 by 4 green-5m , fc tube prs 2 point 7 by 4 crystal-5m , 4mm bulk head connector , electrovalves sheath gas 1 2and3 chassis 2010 , electrovalves plasma1 plasma2 and aux chassis 2010 , 4mm anode kit anode cathode complete kit 4mm o ring 10mm , tubing 6 mm blue fc tube prs 4 by 6 blue , lens d30 f121 a 214nm mgf2 oclens d30 f121 mgf2 , pneumatic cylinder

Central Government/Public Sector

CTN :41115515

07 Aug, 2025 NA

Chennai - Tamil Nadu

Tender For supply of consumable items for chns & toc - combustion/ reduction tube (quartz) quartz glass bridge for unicube , freight charges

CTN :40912908

31 Jul, 2025 NA

Coimbatore - Tamil Nadu

Tender For corrigendum : equipment - purchase of equipment, equipment: xenon arc lampdescription: the xenon (xe) arc lamp is designed and developed to emit the high luminescence light in bright white colour.specification:technical properties wattage-150w operating voltage-18v operating current-8.4am total luminous flux-3200 lm electrode distance-2.6 mm cooling speed-5m/secphysical properties packing-airtight protective shield xe purity-99.98% moc-xenon, quartz, tungsten with thorium as a dopant light colour-bright white average life time more than 700 operating hours

State Government

CTN :41038676

01 Aug, 2025 NA

Noida - Uttar Pradesh

Tender For supply of single tender enquiry for chemical/ reagents - semi micro cell cuvette quartz, pathlength(10) mm). volume = 1.160 ml item code: 9/9/q/10 , semi micro cell cuvette quartz. pathlength (10) mm), volume 1.160 ml item code: 9/9/q/10 , semi micro cell cuvette quartz. pathlength (10) mm), volume = 0.580 ml item code: 18/9/q/10

CTN :41056148

02 Aug, 2025 NA

Hyderabad-T - Telangana

Tender For supply of spare for uv system for ro d d - sukrut uv lamp eco 30500 ll , sukrut uv lamp eco 40900 l , sukrut rel uv intensity sensor , sukrut uv ballast electronic , sukrut uv mon plc 4030 controller , sukrut cws view port window quartz

State Government

CTN :40446431

22 Jul, 2025 25.09 Lacs

Jamnagar - Gujarat

Tender For corrigendum : supply and complete servicing/ overhauling & replacement of media and nozzle in side stream filters at sikka tps. - side stream filtration media- (quartz sand) for unit ssf tank, complete strainer/nozzel set (approx.1100) for unit ssf tank, bottem/ strainer plate (is:2062 gr.a 8mm thick) for unit ssf tank, work of replacement of filtration media ( quartz sand ) & strainer / nozzles., work of replacement of bottom/ strainer plate

State Government

CTN :40576789

18 Jul, 2025 NA

Bhubaneswar - Odisha

Tender For corrigendum : optical components for quantum optics lab - air-spaced zero order high grade quartz half wave plate(detailed specifications as per technical bid), large clear aperture air-spaced zero order high grade quartz half wave plate with precision rotation mount(detailed specifications as per technical bid), large clear aperture air-spaced zero order high grade quartz quarter wave plate(detailed specifications as per technical bid), low wedge zero order half wave plate (detailed specifications as per technical bid), single mode polarization maintaining patch cord (detailed specifications as per technical bid), post-mountable standard iris, 25.0 mm max aperture, m4 threaded stud, pack of 5(detailed specifications as per technical bid)

Central Government / Public Sector

CTN :41012313

24 Jul, 2025 NA

Bongaigaon - Assam

Tender For supply of proprietary consumables for tshr analyzer : - septum,diam,12 mm,10 pcs , syringe 100ul,71mm needle,ps 5,pgene0002 , needle120mm ps5, ga22, p n pgene0030 , d1160 temperature probe calibrated , pump oil per quart for d1160 , boiling chips with scoop for d1160 , distillation column p n 1160 , vac.rls f btm of coldtrap,p n 4g 004 03 , vacuum grease tube , vacuum adaptor to connect column condens , cold trap , receiver splash guard , vapor temperature probe oring, 03 107 , quartz boiling flask, 500 ml, 4g 006

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