bids are invited for chemicals chemicals1 - sodium chloride (nacl) 99.5% ar grade or equivalent , chemicals2 - potassium chloride (kcl) 99.5% ar grade orequivalent , chemicals3 - caesium chloride (cscl) 99.5% ar grade orequivalent , chemicals4 - sulphamic acid/amino sulphonic acid (h3nso3)99.5% ar grade or equivalent , chemicals5 - iridium chloride hydrate (ircl3.xh20) 99.9% ar grade or equivalent , chemicals6 - ammonium hexachlorro iridate 99.9% ar grade or equivalent , chemicals7 - cobalt nitrate hexahydrate 99.9% ar grade orequivalent , chemicals8 - ammonium ceric nitrate 99.9% ar grade or equivalent , chemicals9 - nickel sulfamate tetra hydrate 99.9% ar grade orequivalent , chemicals10 - ammonium perrhenate 99.9% ar grade or equivalent , chemicals11 - citric acid 99.9% ar grade or equivalent , chemicals12 - boric acid 99.9% ar grade or equivalent total quantity : 9570