Explanatory notes
… sodamide, etc., the indigo industry, the manufacture of explosives (chemical primers and fuses), the polymerisation … in sealed ampoules or in mineral oil. Like sodium, it is employed in anti‑friction alloys. (5) Caesium . A … used in gold or silver metallurgy, in the gold‑ or silver‑plating industries, and in the manufacture of chlorine, …