tender for supply installation and commissioning of lab equipment-- 1 electro chemical workstation 2 general techniques • cyclic voltammetry (cv) with simulation/fitting programs • linear sweep voltammetry (lsv) with stripping • bulk electrolysis with coulometry (be) corrosion • tafel plot (tafel), potentiodynamic deactivation, pitting corrosion, corrosion rate, linear polarisation, corrosion current etc. fuel cell • multi-current steps (istep) • polarisation i-v curves linear sweep • open circuit potential – time (ocpt) impedance • ac impedance (imp) (10μhz – 5 mhz) • impedance – time (impt) (mott-scottsky) • impedance – potential (impe) • impedance simulator with fitting • open circuit potential – time (ocpt) ac impedance plots with simulation • bode : log z vs log (freq) • bode : p{hase , vs log (freq) • bode : log z” & z’ vs log (freq) • bode : log y vs log (freq) • nyquist ; z” vs z’ • admittance; y” vs y’ • warburg: z” & z’ vs w1/2 w-angular frequency • z’ vs w z” battery charge/discharge • galvanostatic charge discharge single/multiple cycle -chrono potentiometry (cp) with potentiallimits, polarity by potential or time, no. of cycles etc • voltage vs current density curves photovoltaic studies i-v measurements, i max, pmax, fill factor etc general useful techniques • chrono amperometry (ca) • chrono coulometry (cc) • chronopotentiometry with current ramp (cpcr) • potentiometric stripping analysis (psa) • auxiliary signal measurement channel • rde control (0-10v output) • ir compensation • external potential input software requirements: software package should consist of voltammetry, pulse, battery, super capacitor, photovoltaic fuel cell, eis, equivalent circuit fitting software. • voltammetry software- cyclic voltammetry, linear scan voltammetry, staircase voltammetry • impedance spectroscopy software- potentiostatic eis, galvanostatic eis • pulse software: differential pulse voltammetry, square wave voltammetry, stripping voltammetry, chronoamperometry, chronopotentiometry & expert • corrosion: potentiostatic/galvanostatic- gavanodynamic, tafel, electrochemical noise • battery/super capacitor: charge/discharge constant potential, gitt, pitt, constant current, constant power, i-v • 3d plots for graph and z impedance data • complete analysis software for cv • eis circuit fitting facility and software with license • free lifetime up gradation of the software.03 years for electrochemical workstation 03 year for battery cycler 3 electro chemical cell 50ml, teflon cap, purge tube, cell stand 4 glassy carbon working electrode 3mm diameter 5 ag/agcl reference electrode (aq) 6 ag/agcl reference electrode (non-aq) 7 platinum wire counter electrode 50mm 8 electrode polishing kit – 1 no. & cell stand 9 branded online ups 1kva with 60 mins backup 10 branded desktop computer i5 processor, 16gb ram, 512 gb ssd, 21” monitor, windows 11, mouse, keyboard 3 or above years warranty 11 battery charge – discharge cycler 12 battery charge – discharge cycler channel 1 specifications• compliance voltage: ±20 v or higher • applied voltage: ±14 v or higher • current ranges: ±5 na to ±500 ma @ 15v • minimum applied & measured current resolution: 100pa • voltage accuracy: 0.1% or better • current accuracy: 0.1% or better • impedance frequency range: 10 µhz to 5 mhz • ac amplitude 0.1mv to 5v • electrode connections: 2, 3 and 4 electrodeschannel 2-9 specifications• cv output voltage:25mv-5v • minimum discharge voltage: -5v • voltage accuracy: ±0.05%of full scale • current output: range:1-5ua-1ma, • range2:1ma-25ma, range 3: 25ma-50ma • cv cut- off current: range 1:2ua, • range2 :50ua, range3 :100ua • stability: ±0.05% • response time: ˂500us 13 communications and power:branded desktop computer i5 processor, 16gb ram, 512 gb ssd, 21” monitor, windows 11, mouse, keyboard 3 or above years warrantypower supply: 230vac/50hz