Explanatory notes
… aluminium‑lithium), sodium, potassium, strontium, antimony, nickel, titanium, zirconium, tin, lead, etc. This heading … by the carbon dioxide in the air. It is sensitive to shock, like mercury fulminate, but less sensitive to heat … Also used in the manufacture of silicon bronze or of nickel‑copper alloys. (4) Magnesium or manganese silicides …