... dissolves in dilute solutions of alkali hydroxides.IdentificationFirst identification: B; Second identification: A,C,DA. Melting Point: 148 - 151 °CB. Infrared ... ppm maxLoss on Drying0.5% max (1g, 100 -105 °C)Zinc25 ppm maxSulphated Ash0.1% maxAssay97.0 -103.0%Application ... Recommendations:To be stored in cool & dry place (<25 °C). Preserve in tight containers, protected from light, and avoid contact ...