Tender For supply of machinery and equipment - uv-visspectrophotometerspectrophotometer should be of true double beam optics system. sample compartment should have dedicated one reference cell holder and one sample cell holder. system should be czerny-turner monochromator with lo-ray-ligh grade blazed holographic grating or equivalent. system should have a light source of 20-w halogen lamp and deuterium lamp. automatic switch over of light source to be possible and auto position adjustment. system should have a fixed spectral bandwidth of 1nm. system should have facility to use as stand-alone keyboard-display and with pc-controlled software. wavelength range should be from 190 nm to 1100 nm and wavelength accuracy should be 0.1 nm at d2 656.1 nm & 0.3 nm for entire range. stray light: less than 0.02% at 220 nm (nai)less than 0.02% at 340 nm (nano2) less than 0.5% at 198 nm (kcl) photometric range:absorbance: -4 to 4 abs transmittance: 0% to 400% system should have photometric accuracy : 0.002 abs at 0.5 abs 0.004 abs at 1.0 abs 0.006 abs at 2.0 abs(measured using nist930d/nist1930 or equivalent) system should have a baseline flatness: less than 0.0006 abs (1,100 to 190 nm, one hour after light source turned on) system should have a noise level: less than 0.00005 abs (700 nm). detector should be silicon photodiode only. system should have a usb drive port to connect the printers or external drives. system should compulsorily have bio-method mode of measurement for determining dna and protein concentrations. quantitates dna or protein using the absorbance at 260/230nm. system should be capable of identification of organic compounds, chemical reaction tracking and enzyme reaction measurement. pc with relevant hardware including monitor keyboard, mouse., fuming hoods the proposed floor-mounted aerodynamic fume hood (1800 1000 2350 mm) is designed for safe handling of hazardous fumes, ensuring high performance, durability, and compliance with international standards. the system should be a robust, corrosion-resistant, and safety-compliant solution with efficient airflow management, user-friendly maintenance features, and adherence to international laboratory safety standards ideal for advanced research and chemical handling applications.1) design & compliance aerodynamic structure with automatic bypass airflow system. conforms to ashrae 110:2016 / en 14175 standards, including tracer gas containment test. certified ashrae compliance required 2) construction & materials made of powder-coated galvanized iron (gi, 120 gsm, is 277 compliant) sheet thickness: 1 mm (1.2 mm for structural supports) heavy-duty base frame: 60 40 2 mm phenolic resin (6 mm) inner liner: chemical-resistant, smooth, easy to clean ss 304 worktop with 15 mm raised edges for spill containment ss 304 aerodynamic airfoil with anti- corrosive coating 3) dimensions & workspace usable workspace: 1500 mm (w) 850 mm (d) 1180 mm (h) clear viewing height: 1100 mm modular base cabinets with maintenance access 4) coating & finish 8-stage chemical pre-treatment epoxy polyester / polyurethane coating (70 80 microns) corrosion resistance validated by 1000-hour salt spray test 5) functional features vertical sliding toughened glass sash (4 5 mm), counterbalanced openable front top panel for easy maintenance aerodynamic baffle system for efficient fume removal (light to heavy fumes) flow control damper for airflow regulation 6) utilities & safety integrated gas, water, and electrical fittings in corner posts remotely operated, color-coded service valves safety partition between utilities no cable entry below sash (enhanced safety design) electrical fittings: norysis /legrand (230v, 5/16a, 50 hz) 7) accessories pp cup sink with water tap and drainage led lighting with protective enclosure adjustable leveling screws ( 10 mm) storage base cabinets with shelves and self-closing shutters 8) centrifugal blower specifications remote, silent ms + frp blower with chemical-r
Tender For corrigendum : annual maintenance contract for 03 nos uvvisspectrophotometermake shimadzu sl no a12425680290 sl no a12425680303 sl no a12425680307for two year at ntpc nabinagar
Tender For corrigendum : supply of group tender for lab equipment for various department - water purification systems , uv-visspectrophotometer , dry bath , ultra-low weighing balance with printer , vacuum oven , magnetic stirrer with hot plate , water bath , vortexer / cyclo mixer , refrigerator , hplc (ri, pda fld detector) , horizontal submarine gel electrophoresis unit with power supply
Tender For corrigendum : tender for the supply of various equipments - muffle furnace, "al2o3 sample plate, al2o3 furnace door block, protection glove, crucible clip, crucibles, karl fischer titrator, "titration vessel, detector electrode with lead, generator electrode (with frit) with lead, desiccant tube and cap, injection septa (pack of 10), gas tight syringe 1.0ml , luer needle 17-gauge, dust cover, results manager software, main power pack, fuse, karl fischer titration reagent(s), nist calibration standard, refrigerated centrifuge (bench top), bottles/falcon tubes/adapters for 0.2ml tubes, one set of other items (adapters) required for improving the applicability/system performance should to be quoted, nitrogen evaporator, evaporation tubes, gas fuse , water purification system including water softner, cartridges, filters etc. for , bomb calorimeter, "ignition wire, cotton thread, combustion crucible, bomb, nist certified benzoic for calibration, any other accessories required for analysis of food samples., gas chromatograph with ecd, tcd, fid with autosampler, "pesticide column (30 m x 0.250mm x 0.25m (5ms (95% dimethyl-, 5% diphenyl-polysiloxane / 1ms (100% dimethyl polysiloxane or equivalent) 100 mm column for fatty acid profiling with main concern of trans fatty acid application, column for cholesterol application, stationary phase: 95% dimethyl-, 5% diphenyl-polysiloxane (30 m x 0.250mm x 0.25m),, "vial sets (1, 2 ml, crimp type, amber and clear glass), vials (10, 20ml crimp type with cap & septa), 300/500 l recovery vials, septa ptfe/silicone (for 1, 2 ml vials), septa ptfe/silicone (for 10, 20 ml headspace vials), ergonomic crimping tools for different vial types, ergonomic decapping tools for different vial types, head space vials 10,20 ml capacity, suitable syringes for quoted autosampler, suitable headspace syringe /valve/loop, quechers kits for pesticides and herbicides in following matrices:, matrices with high fat, matrices with high water content, matrices with high pigmented, spe cartridges for water., ultra performance liquid chromatography (uplc) with photodiode array (pda), fluorescence (fld) and refractive index detector (rid), sample vials with 1.5 ml or greater, stainless steel ultra sonic bath with the capacity of 5 l or more, with time setting (min) 1-30min or continuous operation with led and push button (should be ip 33 protection class) for sonication of spare parts as well as solvents, fittings, frits, ferules and tubings, tubing cutter, solvent bottles (1000 ml capacity), solvent filters (glass & ss both, compatible manual syringes -10 l, 20 l, 50 l, standards for hplc calibration for pda, ri and fluorescence detector, consumables required for each detector must be provided., "hplc columns: one each of, c8 = 250 4.6 5m c18 = 250 4.6 5m, cyano = 250 4.6 5m. amino = 250 4.6 5m, phenyl = 250 4.6 5m. silica = 250 4.6 5m., all columns must be supplied with respective guard column and holder. ", uv-visible spectrophotometer, ",0.5, 1 and 3-ml quartz cuvettes 10 mm path length, 0.5, 1, and 3 ml glass cuvettes 10 mm path length, cuvette holder, suitable certified standards for validation including holmium oxide glass filters for wavelength calibration & nist traceable, nist traceable potassium dichromate., uv-visible spectrophotometer, ",0.5, 1 and 3-ml quartz cuvettes 10 mm path length, 0.5, 1, and 3 ml glass cuvettes 10 mm path length, cuvette holder, suitable certified standards for validation including holmium oxide glass filters for wavelength calibration & nist traceable, nist traceable potassium dichromate., ft-ir with atr & liquid cell, " hydraulic press with kbr die and pellet holder, suitable mortar pestle (dia 5-6 cm), suitable portable de humidifier to maintain 30- 60% rh, temperature and relative humidity digital indicator with calibration certificate from iso 17025 accredited lab., reference nist standard polystyrene film (0.3 mm) over the range of 3800 cm-1 to 650 cm-1., abbes r