Andhra Pradesh >> Visakhapatnam
supply, installation and commissioning of physics and chemistry laboratory equipment and supply of consumables-1 torsional pendulum rigidity modulus torsional pendulum with stand, wire and accessories stop watch: standard analog screw gauge: 50 – 75 mm vernier caliper: 12 inches metric ruler ss scale: 1 meter 2 normal mode of coupled oscillators coupling springs, screen on stand etc.: pendulum length: 1 ms pring length: 21 cm dia: 30mm constant: 2.5n/m weights (4): 500g power supply: o/p: 12v,5v/500ma detector: magnetic field sensor pc interface: rs232 data acquisition unit: lcd display least count: 1 sec stop watch - standard analog 3 measurement of velocity of acoustic waves resonance tube - standard size, tuning fork : = 450hz, rubber mallets, thermometer : mercury 110 °c, 4 newton's rings newton’s ring assembly: minimum division of reading drum - 0.01mm, sodium lamp : working distance-76mm beam splitter: view field -10mm focusing knob: measurement of accuracy 0.01mm, retard stand: radius of curvature r=100cm, beam splitter 5 rotation of an optically active source polari meter : measuring range of optical rotation : +/- 180 division value: 1° least count: 0.05° magnifying factor of the magnifying glass : 4 times monochromatic light source : 5893a° power line voltage: 220v, 50 hz working current: 1.3a discharging power: 20w stabilization time: 5 minutes (approx.) a balance: weighing balance measuring cylinder: 50 ml beaker : 100 ml source of light and polari meter tube sodium vapor lamp : 30w 6 diffraction with laser gratings : 100 mm, 200 mm, 300 mm, screen, laser sources semi-conductor laser , optical bench , screen: semi - conductor laser (diode laser) 7 dispersive power of a prism gratings : 15, 000 lines per inch prism : 32 x32 equilateral size mercury vapor lamp reading lens, spectrometer spirit level 8 fresnel bi-prism optical bench : source, slit, bi prism , stand sodium lamp fresnel's bi prism convex lens and micrometer eye piece 9 franck -hertz experiment a mercury filled frank : saw tooth waveform for cro display, a neon filled frank hertz tube - scanning voltage : 0-80 scanning a small heater : filament power supply : 2.6-3.4v continuously frequency : 115±20hz a control unit for power supply dc current amplifier 10 photo electric effect optical filters , apertures , caps, screws, mercury light source enclosure : photo sensitive device: 1) vacuum photo tube. 2) light source: halogen tungsten lamp 12v/35w. 3) color filters : 635nm, 570nm, 540nm, 500nm and 460nm photo diode enclosure photo electric effect apparatus , cables and cords:, power cord for power supply power cable for photo electric apparatus bnc connector cable for photo diode enclosure banana plug patch cords , red and blue optical filters box : filters: 365 nm , 405 nm , 436nm, 546 nm, 577 nm optical filters box : aperture -2mm, 4mm and 8mm diameter caps : photo diode mercury lamp 11 measurement of band gap in semi-conductors semiconductor diode kit : resistivity of semiconductors four probe method digital display thermistor : with meters, power supply, cro (cathode ray oscilloscope) : with alt trig 12 measurement of hall effect power supply for electromagnets : gauss meter with hall probes, p type and ge semi-conductors on pcb (printed circuit board), multi meter and electromagnets, cro (cathode ray oscilloscope) : with alt trig 1 conductivity meter with glass electrode 2 stop watch 3 determination of viscosity of a lubricating oil using red wood viscometer 1 burette 2 pipette 3 burette stand 4 conical flask 5 funnel 6 white tiles 7 watch glass 8 china dish 9 water bath 10 tripod stand 11 micro burette 12 beaker 13 measuring jar 14 nickel spatula 15 mortar and pestle set 16 test tube 17 test tube stand 18 iodine flask with lid 19 buchner funnel 20 wire gauze 21 glass rod 22 filler 23 rubber cork 24 thermometer (mercury) 25 brown bottles 26 plastic can 27 plastic bucket with lid 28 brush 29 test tube holder 30 tongs 31 boiling tube with cork 32 reagent bottles 33 safety gloves 1 estimation of chloride ion 2 edta titration 3 akalinity 4 estimation of d.o. 5 estimation of phosphate 6 conductometric titrations 7 estimation of ferrous sulphate 8 determination of viscosity of a lubricating oil using red wood viscometer 9 estimation of hydrazine 10 estimation of sulphate
Amount(approx): Ref. Doc.
Last Date : 11 Mar 2020