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%...
We are offering tetrabutylammonium bromide. Cas: 1643-19-2 molecular formula:c16h36brn molecular weight:322.36774 g.m.chemsys driven by its passion for adhering to international quality standards has created an excellent in-house r&d centre, focused on identifying and...