bids are invited for chemicals for soil analysis 2 71 metavanadate , ammonium molybdate , barium chloride , boric acid , calcon indicator , copper sulphate , ebt indicator , ferrous ammonium sulphate , gum accasia , l ascorbic acid , murexide , orthophosphoric acid , potassium permanganate , potassium sulphate , selenium metal powder , sodium hexa meta phosphate , sodium hydroxide pellets , sodium acetate , ammonium hydrogen carbonate , maleic acid , citric acid , oxalic acid , potassium dihydrogen orthophosphate anhydrous , methyl orange indicator , methyl red indicator , malic acid , gum acacia powder , guar gum powder , potassium dicromate , potassium cloride , ammonium metavandate , concentrated sulfuric acid , orthoposphoric acid , ferrous ammonium sulphote , potossium permangnate , sodium hydroxide , methyl red , bromocresol green , azomethine , standard hydrochloric acid , sodium bicorbonate , dargo g 60 activate charcol , ammonium paramolybdate , antimony potassium tartrate , ascorbic acid , potassium dihydrogen orthophocphate , calcium cloride , magnesium cloride , potassium nitrate , gum acacia , dtpa diethylenetriamine penta acitic acid , tea triethonol amine , buffer tablet ph 4.0 7.0 9.2 , microplate , ethanol , ammonium molybdate a - scan (v2) total quantity : 308