bids are invited for procurement of laboratory items for chemical analysis methyl boron trifluoride bf3 - 14 percent methanolic , starch soluble ex potato - density 1 point 5 gram per cm ph range of 5 to 7 for a 2 percent solution , barbituric acid ar - purity not less than 99 percent , p toluidine ar - purity not less than 99 percent , methyl red - purity not less than 85 percent , methyl orange - purity not less than 85 percent , potassium permanganate ar - purity not less than 99 point 5 percent , carbon tetra chloride - purity not less than 99 point 5 percent ri 1 point 4600 to 1 point 4610 specific gravity at 20 degree c 1 point 592 to 1 point 597 , phenolphthalein - purity not less than 98 percent , sodium carbonate anhydrous - purity not less than 99 point 9 percent , sodium bicarbonate - purity not less than 99 point 8 to 100 point 2 percent , furfural - purity not less than 99 percent , nitric acid - purity not less than 69 percent , 2 7 dichlorofluoroscene - purity not less than 90 point 0 percent , ammonium hydroxide - purity not less than 28 to 30 percent , amyl alcohol - purity not less than 99 percent , potassium chromate - purity not less than 99 point 5 percent , hexane hplc grade - purity not less than 99 percent , silicone deforming - material poly dimethyl siloxane , potassium chloride - purity not less than 99 percent , copper acetate ar - purity not less than 99 percent , iodine crystals ar - assay minimum 99 point 5 percent , n butanol ar - assay not less than 99 point 5 percent , toluene - purity not less than 99 percent , diphenyl carbazide - purity not less than 98 percent , resorcinol - purity not less than 99 percent , petroleum ether 40 degree c to 60 degree c - wt. per ml at 20 degree c 0 point 635 to 0 point 645gm , aluminium foil - thickness 9microns to 50microns , potassium hydroxide - purity not less than 85 percent , chloroform - purity not less than 99 point 8 percent ri20 degree c 1 point 4440 to 1 point 4450 specific gravity at 20 degree c 4 degree c to 1 point 474 to 1 point 478 , methanol hplc grade - purity not less than 99 point 7 percent , sodium thio sulphate - purity not less than 99 point 5 to 100 point 5 percent , sodium hydroxide - purity not less than 98 percent , carbon disulphide - purity not less than 99 point 9 percent , starch soluble ar - purity not less than 99 point 5 to 100 point 5 percent , potassium thiocyanate - purity not less than 99 percent , isopropanol ar - purity not less than 99 point 5 percent , dextrose anhydrous - purity not less than 99 point 5 percent , potassium iodide - purity not less than 99 point 8 percent , ferric chloride anhydrous - assay 98 percent min , zinc granular metal ar protein - assay min 99 point 5 percent , copper sulphate - purity not less than 99 point 5 percent , centrifuge tubes 50ml - polypropylene made , glass vial with screw cap - 2 ml borosilicate glass , pipette 50 ml class a with certificate - volumetric borosilicate , micro pipette 1ml class a - for100 to 1000 micro litre increment volume micro litre 10 accuracy plus and minus percent 1 point 6 precision percent 0 point 3 compatible tips 1000 microlitre , rm flask 300ml - borosilicate glass , burette stand - circular ldpp , silica crucible 25ml - 1 as per bis specificationtype2 medium form based on a height diameter ratio of 0 point 8 2 nominal capacity is approximately 75 present of overflow capacity lids type d a lid of slightly domed shape 3 material silica crucibles and lid shall be made from vitreous silica either translucent or transparent , sugar flask class a with certificate - with110 and 100ml marking two mark , still head - borosilicate , spraying bottle - material ldpe capacity 100 ml , lab cl and stand clip set - 3 prong finger lab cl can accommodate rods up to 17 mm and maximum width of jaw opening is 90 mm , funnels with long stem - size is 3 inches or 75mm and made of borosilicate glass , glass droppers with rubber bulb - capacity 1 millilitre , aniline chloride ar - purity not less than 99 point 5 percent , petroleum ether 60 degree to 8 degree c - weight per ml at20 degree c 0 point 665 to 0 point 675gm , acetic acid glacial aldehyde free - purity not less than 99 point 7 percent , sodium chloride ar - assay not less than 99 point 9 percent , methanol anhydrous - purity not less than 100 percent or 99 point 8 percent , sucrose ar - purity not less than 99 point 5 percent total quantity : 83915