purchase of labaratory consumables purchase of laboratory consumables - 2 microscope glass slides ( 100 pieces in each packet ) • colour : plain n• length: 70 mm n• breadth: 20 mm n 3 benzene ( 500 ml ) • assay : 99.8%, research grade 4 ethonol ( 500 ml ) • assay : 99.8%, research grade 5 acetone ( 500 ml ) • assay : 99.8%, research grade 6 iso propyl alcohol ( 500 ml ) • assay : 99.8%, research grade 7 toluene ( 500 ml ) • assay : 99.8%, research grade 8 mercury-in-glass thermometer • calibrated against nist standards n• mercury filled yellow back tubing range: 0-350 degree celsius n 9 spirit level • stainless steel cover n• length : 8 cm or less n• breadth : 4 cm or less n 10 digital stop watch • large lcd display for easy read out n• 1 / 100 second display n• hour, minutes, second display n 11 tissue paper roll ( 168 gm / per roll ) colour: white n• material type: paper n 12 disposable hand gloves ( 100 per pack ) • material : plastic 13 disposable face mask ( 100 per pack ) • easy breathable n• bacterial filter n• soft, light weight, easy wearable n 14 silicone oil ( 500 ml ) • appearance : clear n• viscosity ( cps @ 25 c ) : 335-365 n• refractive index @ 25 c: 1.4 n• specific gravity @ 25 c: 0.96 n 15 heat resistance hand gloves • low thermal conductivity glove n• made of cotton or jute 16 mercury-in-glass thermometer • calibrated against nist standards n• mercury filled yellow back tubing range: 0-100 degree celsius n 17 quartz cuvette ( 10 ml ) • material: pure quartz n• volume : 10 ml n• path length : 40 mm n• length: 46 mm n• breadth: 12.5 mm n 18 quartz plates • material: pure quartz n• length : 75 mm n• breadth: 25 mm n• thickness: 1mm n 19 quartz plates • material: pure quartz n• length : 50 mm n• breadth: 25 mm n• thickness: 2 mm n 20 parafilm ( roll ) • width : 4 inch n• length : 125 ft n 21 mercury vapour lamps • high color rendering mercury light bulb n• comes with 100 w n• colour : white n 22 handheld reading optical magnifier • minimum 3 led magnifiers n• hd high optical magnification n 23 double distilled water ( 50 l ) 24 deionised water ( 50 l ) research grade 25 cotton roll ( 500 g / per roll ) npure cotton nultra-soft, durable, eco-friendly and antibacterial, highly absorbent, hygienic, skin friendly n 26 pippette tips ( 1ml, 1000 pieces per packet ) material: plastic 27 pippette tips ( 100 μl, 1000 pieces per packet ) material: plastic 28 pippette tips ( 10 μl, 1000 pieces per packet ) material: plastic 29 generic plastic transparent measuring beaker with handle ( 1000 ml ) • raised numeric graduations from 100ml to 1000ml for easy reading n• thick wall helps to eliminate distortion n• plastic beaker with handle for laboratory test n 30 generic plastic transparent measuring beaker with handle ( 500 ml ) • raised numeric graduations from 100ml to 500ml for easy reading n• thick wall helps to eliminate distortion n• plastic beaker with handle for laboratory test 31 generic plastic transparent measuring beaker with handle ( 250 ml ) • raised numeric graduations from 100ml to 250ml for easy reading n• thick wall helps to eliminate distortion n• plastic beaker with handle for laboratory test 32 high transmission grating ( 6 x 105 lines / metre ) 33 glass test tube ( 10 ml ) 34 borosil beaker ( 100 ml ) 35 borosil beaker ( 50 ml ) 36 borosil beaker ( 25 ml ) 37 borosil beaker ( 10 ml ) 38 borosil beaker ( 5 ml ) 39 borosil screw neck vials ( 100 pieces per packet, volume: 2ml, mouth dia: 9mm, colour: clear, vial dia:12 mm, height: 32 ) 40 quartz crucibles with lids ( 15 ml, annealing point: 1200oc ) 41 semi micro spatula ( stainless steel: grade 202, size: 6 inches ) 42 micro spatula ( one end flat and one end spoon, stainless steel: grade 202, size: 4 inches ) 43 pointer spatula ( stainless steel: grade 202, size: 6 inches ) 44 dimethyl sulfoxide ( 500 ml capacity, ar grade ) 45 agate stone mortar and pestle set 46 silver nitrate ( 25 gram ) assay:99.9, ar grade