We are offering ammonium ceric nitrate ar (as a standard in oxidimetry, catalyst for polymerization of olefins) (nh4)2ce(no3)6 m.w. 548.23 minimum assay after drying 99.0% max. Limits of impurities : substances insoluble in water 0.005% chloride(cl) 0.001% phosphate(po4) 0.002% hmore...
We are offering aluminium ammonium sulphate ar (ammonium alum) alnh4(so4)2.12h2o m.w. 453.32 minimum assay 99.5% maximum limits of impurities: insoluble matter 0.005% reaction not less than ph 3.0 chloride(cl) 0.002% nitrate(no3) 0.001% phosphate(po4) 0.0025% silicate(sio3) 0.002more...
Ammonium pentaborate is used in the preparation of both wet and dry electrolytic capacitors. mmonium pentaborate, 99% Cas no 12046-03-6 - used for brazing, welding, soldering fluxes and in some detergents.more...