A History of Indian Medical Literature v4.c63.484

v4.c63.484

¹² These five substances, consisting of guñjā, ṭaṅkaṇa (borax), honey, ghee and guḍa (5.41), remove oxides as surface contaminants, thus making the metal soft and miscible with other metals; borax can combine with metal oxides to form a flux, which floats on the surface