supply of lab chemicals / instruments / material for public health engineering state water testing laboratory , karnal as per specifications and all other works contingent thereto for the f . y . 2020-2021 . - 2 lab chemicals make: merck / sd fine / qualigens potassium di-hydrogen ortho-phosphate ar ( 500gm ) 3 di-potassium hydrogen ortho-phosphate lr ( 500gm ) 4 magnesium sulphate heptahydrate ar ( 500gm ) 5 manganese sulphate monohydrtate lr ( 500gm ) 6 calcium chloride di-hydrate ar ( 500gm ) 7 ferric chloride anhydrous lr ( 500gm ) 8 potassium iodide ar ( 500gm ) 9 sodium di-hydrogen ortho-phosphate di-hydrate ar ( 500gm ) 10 starch ar ( 500gm ) 11 flinklin ( laboratory reagent ) ( 5ltr. ) 12 non absorbent cotton wool ( 500gm ) 13 calcium carbonate volumetric standard ( each ) 14 sodium chloride volumetric standard ( each ) 15 sodium carbonate volumetric standard ( each ) 16 iron reagent ( ferrover reagent ) ( 100 test pkt ) 17 fluoride reagent ( spadn ) 500 ml ( 100 test pkt ) 18 nitrate reagent ( 100 test pkt ) 19 sulphate reagent ( sulfaver ) ( 100 test pkt ) 20 methyl orange ( 250ml ) 21 eriochrome black t ( 25gm ) 22 murexide indicator ( 5gm ) 23 ammonium buffer solution ( 500ml ) 24 sulphuric acid, n / 50 solution ( 500ml ) 25 phenolpthalien solution ( 125ml ) 26 edta n / 50 solution ( 500ml ) 27 silver nitrate n / 50 solution ( 500ml ) 28 o-tolidine solution ( 500ml ) 29 pottasium chromate ( 500gm ) 30 cotton roll ( 500gm ) 31 cod reagent ( hach / lovibond ) ( 25 test pkt ) 32 bod bottles, 125 ml ( borosil / duran ) ( each ) 33 test tubes, 15x150 ( borosil / duran ) ( each ) 34 test tubes, 18x150 ( borosil / duran ) ( each ) 35 dessicator set ( borosil / duran ) 250mm ( each ) 36 evaporating dishes ( borosil / duran ) ( each ) 37 conical flask ( borosil / duran ) ( each ) 38 pipette class a ( borosil / duran ) ( each ) 39 burette class a 25ml ( borosil / duran ) ( each ) 40 burette class a 50ml ( borosil / duran ) ( each ) 41 turbidity meter nmodel no. : tb-210 ir nmake : lovibond / oakton / hach ntechnical specifications nmeasurement cycle napprox. 8 seconds display backlit lcd ( on keypress ) noptics temperature-compensated led ( ?= 860 nm ) and photosensor amplifier in water proof sample chamber, infrared light. keypad polycarbonate membrane, splash proof. power supply 9 v power pack batteryauto - off nautomatic switch-off storage internal ring memory for 16 data sets additional feature real time clock and date nrange 0.01 - 1100 ntu nresolution n0.01 - 9.99 ntu = 0.01 ntu n10.0 - 99.9 ntu = 0.1 ntu n100 - 1100 ntu = 1 ntu naccuracy n± 2.5 % of reading or n± 0.01 ntu ( 0 - 500 ntu ) n± 5 % ( 500 - 1100 ntu nhousing abs confirmatory ce nwith nabl calibration certificate. n n 42 b.o.d incubator nmake : nsw / ambassador nsize: 570x870x570mm n• capacity approximately:- 10 cubic feet282 litters n• double walled inner chamber made of stainless steet 304 grade. n• outer chamber made of stainless steet 304 grade. n• specially design wire mesh shelves made of ss 304 grade. n• gap b / w the walls is filled with puf insulation. n• one air circulating fan is provided for uniformity of temp in working space. n• refrigeration system with cfc free compressor & r 134 a eco friendly refrigerant is used. n• temperature 5°c to 50°c with controlling accuracy of ±0.5°c is controlled with dual display pid micro processor controller-cum-indicator. n• built in automatic voltage stabilizer & inside full view tuffon glass. n• work on 220 / 230v ac n• 12 months against any manufacturing defect. n 43 digital auto burette ( bottle top burette ) nmake : borosil / eppendorf n• self zero n• discription n• precision titrations within the error limits of class-a n• large easy -grip hand wheels for sensitive , dropwise titration. n• titrating tube can be adjusted horizontally and vertically -providing flexibility when positioning the instrument. n• no switching needed when changing between filling and titration. n• calibration scheduler saves a date for the next calibration auto power -off, change decimal place setting. n• eassy cleaning, maintenance and part replacement. n• calibration: calibration certificate from any nabl certified laboratory required with validity of at least 1 year. nwith nabl calibration certificate. n 44 disinfection chamber ( uv ) nmake: borosil ncapacity 25 litre, in-built timer default time 5 mins. nled display, ce certified 20 watt x 2 no. uv lamps with life of 11000hrs. outer dimension 430x380x235mm n