Phenylenediamine Tenders

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CTN :43260891

29 Dec, 2025 5.80 Lacs

Multi City - Punjab

Tender For purchase of consumables items for department of pharmaceutical sciences and drug research punjabi university patiala - streptozotocin , formalin , xylene , silver nitrite , paraffin wax , ammonia hydroxide solution , acetic acid lr , hydrogen peroxide 30% w/v , aniline lr , pyridine lr , silica gel 60-200 for column chromatography , silica gel 60-200 for column chromatography , silica gel 200-400 for column chromatography , silica gel self-indicating blue , molecular sieves 3a 1/8’’ , molecular sieves 4a 1/8” , calcium chloride , calcium hydride fused , hatu , 4-methylbenzene 1,2 diamine , cyanogen bromide , di-tert-butyl decarbonate , benzyl chloroformate , 4-methoxy-o-phenylenediamine , 4-flurobenzene-1-sulfonyl chloride , 3,4-diaminobenzotrifluoride , sulphric acid , 5-chloro salicyaldehyde , salicyaldehyde , 4-chloro salicyaldehyde , 5-bromo salicyaldehyde , 4-bromo salicyaldehyde , 5-methyl salicyaldehyde , 5-methoxy salicyaldehyde , 4-methyl salicyaldehyde , 4-methoxy salicyaldehyde , phenol (for synthesis) , methanol hplc grade , acetonitrile hplc grade , ammonium acetate ar grade , ammonium formate ar grade , acetic acid hplc grade , formic acid hplc grade , methanol lr , acetonitrile lr , thf (specially dried) , tlc silica gel 60 f254 , 25 aluminium sheets 20x20 cm , freund’s adjuvant incomplete (f5506) , phosphate buffered saline (p2272) , sb203580 , skepinone-l , methotrexate , brown filter paper , whatman filter paper sheets grade 1 460x570 mm , elisa kits , name , tumor necrosis factor-alpha (tnf-α) elisa 96 wells , inteerleukin-6 (il-6) elisa 96 wells , acetylcholinesterase (ache) elisa 96 wells , butyl cholinesterase elisa 96 wells , aβ (1–42) elisa 96 wells , aβ (1–40) elisa 96 wells , total-tau elisa kit-96

CTN :43202975

06 Jan, 2026 NA

Chennai - Tamil Nadu

Tender For supply of n n dimethyl p phenylenediamine oxalate , n n diethyl p phenylenediamine oxala , alpha endosulphon pesticide std for gc , 2 4 d pesticide std for gc , delta hch pesticide std for gc , 2 4 ddd pesticide std for gc , 4 4 ddd pesticide std for gc , 4 4 ddt pesticide std for gc , organo phosphorus pesticides mix std for gc , pcb mixed pesticide std for gc , pah mixed pesticide std gc , nitric acid suprapure , gamma bhc pesticide std , isoproturon pesticide std , dichloromethane ar , malaoxon , paraoxon methyl , oil mixed std for ftir , phenol std nist , potassium dichromate primary std nist , icp oes torch part no 2010094800 , syringe10 mirolit for gcmsms , filament for gcmsms , liner splitless , septa for gcmsms , column nut for gcmsms part no05988 20066 , column nut for gcmsms part no 05181 8830 , ferrule 0 point 4 mm vg cond 5062 3508 , ferrule 0 point 5 mm vg 0 point 32 col 5062 3514 , ferrule 5080 8853 0 point 5 graphite 0point 32 col , blue screw caps with vial for gc 5182 0717 , column gc 30m multiplied 0 point250 mm multiplied 0 point 25 sl no ust782546h , column hplc c18 5micron 4 point 6 multiplied 250mm p by n 227 30017 08 , vacuum pump oil , sample vial for ic , ic consumables metro sep a supp , hand vacuumn pump , ultra pure water system simplipak filter , fan filter oes consumable , electrode oes consumable , electrode cleaning brush oes consumable , string wound filter oes consumable , o ring set for m 1008i3 cb oes consumable , window clamp dummy oes consumable , teflon tube 9 multiplied 12 oes consumable , teflon tube 4multiplied6 oes consumable , fuse 10 a oes consumable , fuse 2 a oes consumable , lp mounting system oes consumable , cartridge oes consumable , entrance window duw for m1008i3 oes consumable , screw 8mm oes consumable , entrance window visible for m1008i3 oes consumable ) /bid number: gem/2025/b/7004910 * /dated: 16-12-2025 & & / bid document1 / 35

CTN :43117557

02 Jan, 2026 NA

Coimbatore - Tamil Nadu

Tender For purchase of chemicals and glassware - purchase of chemicals and glassware, diethyl chlorophosphate >97% - 25g, triphosgene >98% - 25g, n,n-diethyl-1,4-phenylenediamine >98.0%(gc)(t) - 25g, methyl 2-aminobenzoate >99.0%(gc)(t) - 500ml, r1-naphthylamine >99.0%(gc)(t) - 100g, triphenylamine 98% - 25g, ethyl acetoacetate (for synthesis) - 1l, potassium carbonate 98%- 500g

CTN :42901834

24 Dec, 2025 NA

Coimbatore - Tamil Nadu

Tender For corrigendum : purchase of equipments - purchase of equipment, 1. configuration design an 8-channel battery analyzer and its accessories 2. power 425 w3. voltage measuring range: 25 mv to 5 v, discharge minimum voltage: 0v or better, accuracy: 0.05% of fs4. current range: 0.5 ma to 6 a, accuracy: 0.05% of fs or better 5. power per channel output power: 30w, stability; +/- 0.1% of fs or better6. time rise time: 1ms (0~full range)7. frequency 10hz8. charge mode of operation: cc, cv, cccv, cp end conditions: voltage, current, relative time, capacity.9. discharge mode of operation: cc, cv, cp, cr, end conditions: voltage, current, test time, capacity, energy.10. pulse mode charge: cp mode, cc mode, discharge: cc mode, cp mode, min pulse width: 500ms, automated switch: automated switch from charge to discharge for each pulse end condition: voltage, relative time11. dcir support for the calculation of the point of the dcir12. cycle cycles: 1 65500 or better, steps: 250 or better, nested function: max three levels of loops13. protective function software, power-down data protection, user-defined safety (upper and lower) tolerance of current, voltage, and delay time14. channel features independent pairs of closed loops for the constant current source and constant-voltage source15. test reports and curves for analysis different types of curves created by software based on user definition. (voltage-time curve, current-time curve, capacity-voltage curve, loops times charge/discharge capacity curve, loops times charge/ discharge efficiency curve, etc.), data reports created by the software. comparison of the performance of the batteries tested in channels, both visually and statistically16. channels independent control17. ac input ac 220v 10% / 50hz 18. voltage and current testing sample 4 wire connecting 19. noise 85db20. data management mysql database21. communication means tcp/ip protocol22. data output excel, txt23. communication interface ethernet port24. number of channels per cabinet 825. accessories: 1. bi-potentiostat: electrochemical workstation or moduletechniques the system should be capable of running the rde / rrde technique simultaneously cyclic voltammetry (cv) with simulation/fitting programs linear sweep voltammetry (lsv) with stripping bulk electrolysis with coulometry (be) differential pulse voltammetry (dpv) with stripping normal pulse voltammetry (npv) with stripping tafel plot (tafel), potentiodynamic deactivation, pitting corrosion, corrosion rate, linear polarization, corrosion current, etc. multi-current steps (istep) amperometric i-t curve (i-t) lifetime testing open circuit potential time (ocpt) chrono amperometry (ca) chrono coulometry (cc) chronopotentiometry with current ramp (cpcr) potentiometric stripping analysis (psa) auxiliary signal measurement channel ir compensation external potential input galvanostatic charge discharge single/multiple cycle -chrono potentiometry (cp) with potential limits, polarity by potential or time, no. of cycles etc. voltage vs current density curves single or multiple potential steps with charge limits, single or multiple current steps, mixed voltage/current control using macro. i-v measurements, i max, pmax, fill factor, etc.impedance ac impedance (imp) 10 hz to 3mhz impedance time (impt) (mott-schottky) impedance potential (impe) impedance simulator with fitting open circuit potential time (ocpt)hardware specification of bi-potentiostat workstation/ module: potentiostat / galvanostat module, 2- or 3- or 4-electrode configuration maximum potential: 10v, maximum current: 250 ma peak or better and 2 amps with +/-25 volts for higher current measurement. compliance voltage: > 13v or better, potentiostat rise time: 300 ns or better galvanostat applied current range: 3na to +/- 100ma or better and upto 2 amps applied current accuracy: 20 pa or better input bias current: 1 pa or better cv and lsv scan rate: 0.000001 to 10,000 v/s. ca and cc pulse width: 0.0001 to 1000 sec imp freque

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