bids are invited for ammonium chloride , ammonium hepta molybdate , acetic acid , 1 amino 2 naphthol 4 sulphonic acid - 1-amino-2-naphthol-4-sulphonic acid , ascorbic acid , barium chloride , bromocresol green indicator , calcium chloride anhydrous - calcium chloride (anhydrous) , curcumin , edta , hydrochloric acid , magnesium chloride hexa-hydrate mgcl2 6h2o - magnesium chloride hexa-hydrate (mgcl2, 6h2o) , magnesium sulphate heptahydrate , manganous sulphate mono hydrate , murexide , oxalic acid , phosphoric acid , potassium di-hydrogen phosphate , potassium bi-iodate , phenolphthalein - phenolphthalein 1 % indicator solution (ph 8.2 to 10) , sodium chloride , sodium iodide , sodium thiosulphate , sodium bisulphite , sodium acetate tri-hydrate ch3coona 3h2o - sodium acetate tri-hydrate (ch3coona, 3h2o) , sulphuric acid , suprapur nitric acid - suprapur nitric acid (65%) , suprapur hydrochloric acid - suprapur hydrochloric acid (30%) , citranox acid , nitrate-n isa buffer , nitrate-n standard - nitrate-n standard 1000 ppm , nitrate-n standard - nitrate-n standard 100 ppm , tuning solution for icp-ms , leak detection system for icp-ms , ammonia electrode filling solution - ammonia electrode filling solution (thermoscientific) , fluoride filling solution - fluoride filling solution (thermoscientific) , nitrate filling solution - nitrate filling solution (thermoscientific) , cod vials for analysis from 0 to 1500 ppm sample concentration. - 2420721 lovibond cod mr25 cod vials for analysis from 0 to 1500 ppm sample concentration (25 vials per box) total quantity : 42457