tender for supply of science lab item- 1 pcr :-thermocycler along with essential supporting equipments such as :-• thermocycler: standard 96-well format.• micropipettes: 2−20μl and 20−200μl.• pcr reagents: dna polymerase, dntps, buffers.• supporting hardware:o vortex mixero microcentrifugedigital dry bath 2 electrophoresis :-• main chamber: plastic or acrylic.• units: can be horizontal (preferred) or vertical units.• power supply: required to provide the electrical current.• accessories: gel casting accessories.• optional: gel documentation system. 3 rotary microtome :- used for cutting thin sections of tissue for microscopy.• operation: manual.• section thickness: adjustable range from 1 to 50 micrometers.• build material: heavy and rigid iron or stainless steel (ss).• accessories: steel razor/knife (120mm or 180mm) with back and handle. 4 tlc (thin layer chromatography) equipment :-used for analyzing the composition of mixtures.• tlc plates: coated with adsorbents such as silica gel, alumina, or cellulose.• developing chamber/tank: for plate incubation.• application tools:o spotting equipmento spreader/applicator• storage & preparation: plate rack, solvents, and desiccants. 5 hot plate :-used for controlled heating of samples.• top plate material: cast iron or stainless steel (ss).• control: digital interface.• shape: rectangular or circular (should be large enough to hold beakers and flasks).• feature: often includes magnetic stirrers. 6 digital ph meter :-range: - 0-14ph, mv = 1999 resolution 0.001 ph accuracy = 0.01 calibration auto 3- point atc probe included approx. cost 8000-20000 7 lcd digital microscope:-celestron 44341 lcd digital microscope 8 trinocular microscope / digital microscope :-e.s.a.w trinocular microscope cmos camera 5mp(white) with slide box with semi-plan objectives (magnifications 40x-1500x) oresaw optscopes classic 40x-2000x digital microscope with 5.1mp is-500 cmos microscopic camera (for education, pathology, research and teaching) 9 digital camerax :-canon eos 1500d 24.1 digital slr camera (black) with ef s18-55 is ii lens, 16 gb card ornikon d3500 dslr camera with af-p 18-55mm vr lens. 10 spectrophotometer digital 11 polarimeter (digital / automatic polarimeter) :-• light source: led with sodium (na) lamp, 589 nm• measuring range: –45° to +45° (optical rotation)• accuracy: ±0.01°• resolution: 0.001°• optical path length: 100 mm standard tube• temperature control: built-in or external (20–30°c)• display: digital lcd / touch screen• calibration: automatic with quartz control plates• communication: usb interface (optional)• power supply: 220–240 v ac, 50 hz 12 uv–visible spectrophotometer :-• optical system: double beam• wavelength range: 190–1100 nm• spectral bandwidth: 1–2 nm• wavelength accuracy: ±0.3 nm• wavelength repeatability: ±0.2 nm• photometric range: –0.3 to 3.5 abs• photometric accuracy: ±0.002 abs• light source: deuterium (uv) + tungsten (visible)• software: pc-based with kinetics, quant, spectrum, dna/ protein analysis• cuvettes: quartz cuvettes (1 cm path length)• power supply: 220–240 v ac 13 digital ph meter :-• ph range: 0–14 ph• accuracy: ±0.01 ph• resolution: 0.001 ph• temperature compensation: automatic (atc) with probe• electrode: combined glass electrode• calibration: 2-point or 3-point automatic• display: large lcd• additional parameters (optional): conductivity, tds• power: 220 v ac / battery backup 14 polarography instrument (electrochemical analyzer) :-• technique support: dc polarography, pulse polarography, differential pulse voltammetry• working electrode: hanging mercury drop electrode (hmde) or dropping mercury electrode (dme)• reference electrode: ag/agcl• auxiliary electrode: platinum wire• potential range: –2 v to +2 v• potential accuracy: ±1 mv• current range: nanoampere to milliampere• software: computer interface for voltammogram recording• stirrer: magnetic stirrer built-in• power: 220–240 v 15 water & soil testing instrument set - basic laboratory kit includes for water testing: ph meter (0–14, accuracy 0.01) tds meter: 0–10,000 ppm conductivity meter: 0–200 ms/cm turbidity meter: 0–1000 ntu cod digestion unit: 6/15-sample block bod incubator: 20°c ±1°c flame photometer: for na, k, ca, li for soil testing: soil ph & ec meter soil moisture analyzer kjeldahl nitrogen digestion & distillation unit spectrophotometer (uv-vis) hot air oven: up to 250°c muffle furnace: up to 1000°c balance: analytical balance (0.1 mg accuracy 16 e/m by helical method -as per available 17 four probe experiment -as per available 18 amplitude modulation-as per available 19 frequency modulation-as per available 20 multi vibrater-as per available 21 lattice dynamics exp.-as per available 22 b-h curve exp-as per available 23 complete set up for study of zeeman effect -as per available 24 study of voltage regulation using ic-317 (single board)- as per available 25 cro (cathode ray oscilloscope) -bandwidth 50mzh-200 mzh, analog channels 02, sample rate 1gh/s 26 sodium lamp -as per available 27 mercury lamp -as per available 28 heat capacity of solid exp.-as per available 29 microwave test bench (complete) for :- (a) reflex klystron study (b) measurement of guide wavelength & frequency (c) vswr using slotted line (d) impedance measurement (e) study mode characteristics of reflex klystron 30 microwave test bench (complete set) for (a) study of gunn oscillator (b) freq & guide wavelength measurement (c) measurement: vswr/reflection coefficient (d) impedance measurement