bids are invited for sodium molybdate - sodium molybdate dihydrate extrapure ar, acs, exiplus, 99% , acetone - acetone acs, 99.5% , sodium tetraphenyl borate - sodium tetraphenyl borate (kalignost) extrapure ar, acs, , filter paper grade no 1 - filter paper gradeno 1 , 125mm , filter paper grade no 42 - filter paper grade no 42 , 125mm , citric acid monohydrate - citric acid monohydrate acs,ar 99.7% , potassium sulphate - potassium sulphate extrapure acs,ar, 99.5% , sodium hydroxide - sodium hydroxide pellets acs,ar 97% , nitric acid - nitric acid 69-72% ar , hydrochloric acid - hydrochloric acid 35-38% ar , sulphuric acid - sulphuric acid abt.98% ar , aluminium hydroxide gel - aluminium hydroxide gel extrapure ar, exiplus, , carbon disulphide - carbon disulphide ar , cupric sulphate pentahydrate - cupric sulphate pentahydrate acs,ar 99.5% (copper (ii) sulphate pentahydrate) , ethylenediaminetetraacetic acid - edta disodium salt dihydrate acs,ar 99% (ethylenediaminetetraacetic acid disodium salt dihydrate) , ammonium oxalate monohydrate - ammonium oxalate monohydrate extrapure ar, acs, exiplus, 99% , formaldehyde solution - formaldehyde solution 37-41%ar , quinoline pure - quinoline pure, 97% , ammonium chloride - ammonium chloride acs, ar 99.5% , ammonia solution - ammonia solution extrapure ar, 30% (ammonium hydroxide 30%) , acetic acid glacial - acetic acid glacial acs, 99.9% , biuret reagent solution - biuret reagent solution exiplus, , hydroxylamine hydrochloride - hydroxylamine hydrochloride extrapure ar, acs, exiplus, 99% , d-mannitol - d-mannitol acs, 99% , zinc aas standard solution in 1n hno3 - zinc aas standard solution in 1n hno3 (traceable to nist) , magnesium aas standard solution in 0.5n - magnesium aas standard solution in 0.5n hno3 (traceable to nist) , copper aas standard solution in 1n hno3 - copper aas standard solution in 1n hno3 (traceable to nist) , iron aas standard solution in 0.5n hno3 - iron aas standard solution in 0.5n hno3 (traceable to