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Tender For supply of machinery and equipment - uv-vis spectrophotometer spectrophotometer 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 supply of lab chemical d d - basic lead sub acetate , organic solvent , bromo thymol blue powder , conc sulphuric acid , conc hydrochloric acid , sodium hydroxide , phosphoric acid , potasium per magnet , dextrose glucose pure , commercial hydrochloric acid , brix hydrometer 0 bata 10 , brix hydrometer 10 bata 20 , tharmameter 0 bata 120 centrigrate , universal indicator bata 500 ml , thymol blue bata 100 ml , buffer solution 500 ml , fehling a solution 500 ml , fehling b solution 500 ml , p h indicator paper , electronic weighing scale 500 gram , beaker 100 ml , conical flask 250 ml , test tube small , test tube big , test tube stand , plastic bucket 7 point 5 ltr , filter paper 18 point 5 cm q , knife of rapipol extractor per set , wattman filter paper 46x57 , alumnium mug 250 ml , plastic bata steel small dise , oven , muricuric chloride , plastic cylinder 100 ml , plastic cylinder 500 ml , plastic cylinder 1000 ml , meashuring flask 250 ml
Tender For supply of furniture and internal fitouts for permanent campus of jnv kondagaon (chhattisgarh) - discription of work, school building, (a) classroom, (i) classroom desk large sizesupply & installation big desk (for two persons)-the overall dimensions of desk will be 1066mm * 930mm * height 760mm, complete as per specifications enclosed and direction of engineer-in- charge having the table top shall be made up of 18.0 mm thick plywood is 303 of mr grade osl (one side shall be laminated, and other side shall have balancer finish). table top dimensions shall be w 900 mm x d 380 mm. edge towards bench shall be post formed with round edge. the remaining three edges must be sealed with 2mmthick pvc edge banding tape. edge band must be trimmed on edges and corners. the desk shall be have low chemical emission of vocs (voltage organic compounds) and carcinogens, contributing to a healthier room environment. seat and back rest shall be made of 18mm thick plywood of mr grade osl (one side shall be laminated, and other side shall have balancer finish) except back rest. back rest shall be have both sides colour lamination.technical details of seat and back rest are mentioned below:seating bench dimensions shall l 930 mm x w 300 mm. front side shall be rounded with post forming. remaining three edges shall sealed with 2mm thick pvc edge banding tape.back rest dimensions shall l 930 x h 200 mm upper side shall be rounded with post forming remaining three edges shall be sealed with 2mm thick pvc edge banding tape. desk shelve shall be made of prime quality 0.8mm thick crca sheet of h150mmxd300mm and side stiffeners of crca tube size 19mmx19mmx1mmthick. one vertical support (partition) of square tube size 25mm square x1.2mm thick must be provided at centre of tray . upper modesty made of prime quality 0.8mm thick crca sheet powder coated should be embossed with dimples in round shape, height will be 150mm, there should be perforated lower modesty made of prime quality 0.8 mm thick crca sheet of size h150mmxd21mm with square perforation, crca tube of size 19x19x1mm thick to be inserted for full length at bottom of jali . bag hook should be provide on both side of piller made of minimum 4mm dia rod side frame structure:- made of prime quality crca pressed form section 165mmx25mmx1mm thick welded to 25mmx50mmx1.2mm thick crca tube , seat and back side frame structure made of prime quality crca pressed form section 165mmx25mmx1mm thick welded to 25.4mm diameter x 1.6mm thick erw-1pipe , there will be 8no. horizontal supports are 25mmx25mmx1.2mm thick crca pipes. .bottom rectangular tube 50x25x 1.2mm thick should be closed with ppcp cap bothside sand pipe dia. 25.4x1.6mm thick should be closed with metal (backside) and other side (undertheseat) ppcp cap, complete as per engineer incharge desk should be in semi knock down form with the help 16 connecting pipes ; 8 pipes on each side : connecting pipe size will be 20x20x1.2mm .all metal pieces shall be welded properly strongly and conformity with regulations with co2 welding shall be used , crca metal shall be coated after being treated with at least three stages and cleaned from oil , grease , dust and other dirt using special thermal control coating for metal furniture to form a layer of base coating of (iron phosphating) (0.4 0.8) gm/m , automatic spray coating shall be applied to be followed by a drying process in a thermal furnace with suitable temperature and time for the process , metal pipe & 7 tank treatment with minimum 45-50 micron powder coating., (ii) classroom desk medium sizesupply & installation medium desk (for two persons)-the overall dimensions of desk will be 900mm w 5 x 890mm d 5 x 688/420mm h 5 , complete as per specifications enclosed and direction of engineer-in- charge having the table top shall be made up of 18.0 mm thick plywood is 303 of mr grade osl (one side shall be laminated, and other side shall have balancer finish). table top dimensions shall be w 870 mm