purchase of laboratory chemicals, glass wares, plastic wares, filter papers and other laboratory articlesfor soil testing laboratory, hooghly under department of agriculture, govt. of west bengal, 1 2,4-dinitrophenylhydrazine, ar/gr/emplura/emparta @25g (merck/sigma aldrich make) 2 activated charcoal- p free, ar/gr/emplura/emparta @500g (merck/sigma aldrich make) 3 ammonium (solution 25%), ar/gr/emplura/emparta@500ml (merck/sigma aldrich make) 4 ammonium acetate, ar/gr/emplura/emparta @500g (merck/sigma aldrich make) 5 ammonium chloride anhydrous, ar/gr/emplura/emparta @500g (merck/sigma aldrich make) 6 ammonium fluoride, ar/gr/emplura/emparta @500g (merck/sigma aldrich make) 7 ammonium hepta molybdate, ar/gr/emplura/emparta @100g (merck/sigma aldrich make) 8 ammonium heptamolybdate, ar/gr/emplura/emparta @500g (merck/sigma aldrich make) 9 ammonium iron sulphate hexahydrate, ar/gr/emplura/ emparta @500g (merck/sigma aldrich make) 10 l-ascorbic acid, ar/gr/emplura/emparta @100g (merck/sigma aldrich make) 11 azomethine-h, ar/gr/emplura/emparta @5g (merck/sigma aldrich make) 12 azomethine-h, ar/gr/emplura/emparta @10g (merck/sigma aldrich make) 13 barium chloride dihydrate, ar/gr/emplura/emparta @500g (merck/sigma aldrich make) 14 boron standard solution (aas std)- 1000 ppm, ar/gr/emplura/emparta @100 ml (merck/sigma aldrich make) 15 bromocresol green indicator, ar/gr/emplura/emparta @5g (merck/sigma aldrich make) 16 ph 4.0 buffer solution, ar/gr/emplura/emparta @500ml (merck/sigma aldrich make) 17 ph 7.0 buffer solution, ar/gr/emplura/emparta @500ml (merck/sigma aldrich make) 18 ph 9.0 buffer solution, ar/gr/emplura/emparta @500ml (merck/sigma aldrich make) 19 calcium chloride dihydrate, ar/gr/emplura/emparta @500g (merck/sigma aldrich make) 20 calcium chloride fused, ar/gr/emplura/emparta @500g (merck/sigma aldrich make)hloride fused 21 copper standard solution (aas std)- 1000 ppm, ar/gr/emplura/emparta @100ml (merck/sigma aldrich make) 22 di ethylene triamine penta acetic acid, ar/gr/emplura/emparta @100g (merck/sigma aldrich make) 23 di ethylene triamine penta acetic acid, ar/gr/emplura/emparta @500g (merck/sigma aldrich make) 24 diphenylamine indicator, ar/gr/emplura/emparta @100g (merck/sigma aldrich make) 25 ethanol- absolute (95% pure), ar/gr/emplura/emparta @500ml (merck/sigma aldrich make) 26 ethylene di amine tetra acetic acid di-sodium salt, ar/gr/emplura/emparta @100g (merck/sigma aldrich make) 27 ethylene di amine tetra acetic acid di-sodium salt, ar/gr/emplura/emparta @500g (merck/sigma aldrich make) 28 glacial acetic acid, ar/gr/emplura/emparta @500ml (merck/sigma aldrich make) 29 glacial acetic acid, ar/gr/emplura/emparta @2.5l (merck/sigma aldrich make) 30 gum acacia, ar/gr/emplura/emparta @500g (merck/sigma aldrich make) 31 hydrochloric acid (concentrated)- 35 %, ar/gr/emplura/emparta @2.5l (merck/sigma aldrich make) 32 iron standard solution (aas std)- 1000 ppm, ar/gr/emplura/emparta @100ml (merck/sigma aldrich make) 33 manganese standard sol. (aas std)- 1000 ppm, ar/gr/emplura/emparta @100ml (merck/sigma aldrich make) 34 methyl red indicator, ar/gr/emplura/emparta @25g (merck/sigma aldrich make) 35 ortho phosphoric acid- 85%, ar/gr/emplura/emparta @2.5l (merck/sigma aldrich make) 36 potassium chloride, ar/gr/emplura/emparta @500g (merck/sigma aldrich make) 37 potassium dichromate, ar/gr/emplura/emparta @500g (merck/sigma aldrich make) 38 potassium dihydrogen phosphate, ar/gr/emplura/emparta @500g (merck/sigma aldrich make) 39 potassium permanganate, ar/gr/emplura/emparta @500g (merck/sigma aldrich make) 40 potassium standard solution (aas std)- 1000 ppm, ar/gr/emplura/emparta @100ml (merck/sigma aldrich make) 41 potassium sulphate, ar/gr/emplura/emparta @500g (merck/sigma aldrich make) 42 sodium acetate, ar/gr/emplura/emparta @500g (merck/sigma aldrich make) 43 sodium bicarbonate- p free, ar/gr/emplura/emparta @500g (merck/sigma aldrich make) 44 sodium hydroxide pellets, ar/gr/emplura/emparta @500g (merck/sigma aldrich make) 45 sulfuric acid-98%(concentrated), ar/gr/emplura/emparta @2.5l (merck/sigma aldrich make) 46 tin(ii) chloride dehydrate, ar/gr/emplura/emparta @100g (merck/sigma aldrich make) 47 triethanolamine solution, ar/gr/emplura/emparta @500ml (merck/sigma aldrich make) 48 zinc standard solution (aas std)- 1000 ppm, ar/gr/emplura/emparta @100ml (merck/sigma aldrich make) 49 measuring cylinders, graduated, single metric scale, with pour out,with hexagonal base, class a, with certificate, @10ml (borosil make) 50 measuring cylinders, graduated, single metric scale, with pour out,with hexagonal base, class a, with certificate, @25ml (borosil make) 51 measuring cylinders, graduated, single metric scale, with pour out,with hexagonal base, class a, with certificate, @50ml (borosil make) 52 measuring cylinders, graduated, single metric scale, with pour out,with hexagonal base, class a, with certificate, @100ml (borosil make) 53 flasks, erlenmeyer, conical, narrow mouth, @100ml (borosil make) 54 flasks, erlenmeyer, conical, narrow mouth, @150ml (borosil make) 55 flasks, erlenmeyer, conical, narrow mouth, @250ml (borosil make) 56 flasks, erlenmeyer, conical, narrow mouth, @500ml (borosil make) 57 flasks, volumetric, with interchangeable solid glass stopper, accuracy as per class a, with certificate, @25ml (borosil make) 58 flasks, volumetric, with interchangeable solid glass stopper, accuracy as per class a, with certificate, @50ml (borosil make) 59 flasks, volumetric, with interchangeable solid glass stopper, accuracy as per class a, with certificate, @100ml (borosil make) 60 flasks, volumetric, with interchangeable solid glass stopper, accuracy as per class a, with certificate, @250ml (borosil make) 61 flasks, volumetric, with interchangeable solid glass stopper, accuracy as per class a, with certificate, @500ml (borosil make) 62 flasks, volumetric, with interchangeable solid glass stopper, accuracy as per class a, with certificate, @1 l (borosil make) 63 beakers, griffin, low form, with spout, @50ml (borosil make) 64 beakers, griffin, low form, with spout, @100ml (borosil make) 65 beakers, griffin, low form, with spout, @250ml (borosil make) 66 beakers, griffin, low form, with spout, @500ml (borosil make) 67 beakers, griffin, low form, with spout, @1 l (borosil make) 68 pipettes, measuring (mohr types), class a, with certificate, @2 ml (borosil make) 69 pipettes, measuring (mohr types), class a, with certificate, @5ml (borosil make) 70 pipettes, measuring (mohr types), class a, with certificate, @10ml (borosil make) 71 pipettes, measuring (mohr types), class a, with certificate, @25ml (borosil make) 72 pipettes, transfer, volumetric, class a, accuracy, with certificate, @5ml (borosil make) 73 pipettes, transfer, volumetric, class a, accuracy, with certificate, @10ml (borosil make) 74 pipettes, transfer, volumetric, class a, accuracy, with certificate, @25ml (borosil make) 75 pipettes, transfer, volumetric, class a, accuracy, with certificate, @50ml (borosil make) 76 funnels, plain, 60° angle, short stem . (borosilicate glass), @50mm dia (borosil make) 77 funnels, plain, 60° angle, short stem. (borosilicate glass), @75mm dia (borosil make) 78 funnels, plain, 60° angle, short stem. (borosilicate glass), @100mm dia (borosil make) 79 glass rods, 7mm x 205mm 80 glass cuvette (quartz), 3.5 ml, size-45mmx12.5mmx12mm (borosil make) 81 reagent bottle, wide mouth, graduated with screw cap, @500ml (borosil make) 82 funnel top test tube, 15mm diameter, 10 ml, (borosil make) 83 funnel top test tube, 30mm diameter, 10 ml, (borosil make) 84 filter paper no. 1, pack of 500 sheets, size:460 mm x 570 mm sheet (whatman make) 85 filter paper no. 42 , pack of 100 sheets, size:460 mm x 570 mm sheet (whatman make) 86 beaker with spout (material-pp), 50ml, tarson make 87 beaker with spout (material-pp), 100ml, tarson make 88 volumetric flask (material-pp), 25ml, tarson make 89 volumetric flask (material-pp), 50ml, tarson make 90 measuring cylinder graduated, with pour out. (material-pp), 50ml, tarson make 91 funnels, plain, 60° angle, short stem. (material-pp), 65mm dia, tarson make 92 funnels, plain, 60° angle, short stem. (material-pp), 55 mm dia, tarson make 93 carboy with stop cock (material-pp/ldpe), 5 l, tarson make 94 carboy with stop cock. (material-pp/ldpe), 10 l, tarson make 95 carboy with stop cock. (material-pp/ldpe), 20 l, tarson make 96 centrifuge tube conical bottom, 50 ml, tarson make 97 test tube stand, 30 mm diameter, tarson make 98 wash bottle. (material-pp), 500 ml, tarson make 99 burette stand with double clamp, tarson make 100 plastic tray, size-18inchx12inchx1.5inch, good quality 101 tissue roll, length 150 m, good quality