Tender For tender for supply of chemicals -sodium chloride (nacl) 99.5% ar grade or equivalent , potassium chloride (kcl) 99.5% ar grade or equivalent , caesium chloride (cscl) 99.5% ar grade or equivalent , sulphamic acid/amino sulphonic acid (h3nso3) 99.5% ar grade or equivalent , iridium chloride hydrate (ircl3.xh20) 99.9% ar grade or equivalent , ammonium hexachlorro iridate 99.9% ar grade or equivalent , cobalt nitrate hexahydrate 99.9% ar grade or equivalent , ammonium ceric nitrate 99.9% ar grade or equivalent , nickel sulfamate tetra hydrate 99.9% ar grade or equivalent , ammonium perrhenate 99.9% ar grade or equivalent , citric acid 99.9% ar grade or equivalent , boric acid 99.9% ar grade or equivalent