an F clef locating F below middle C on the third line of the staff.
a whitish, malleable, active, divalent, metallic element, occurring in combination chiefly as barite or as witherite. Symbol: Ba; atomic weight: 137.34; atomic number: 56; specific gravity: 3.5 at 20°C. Historical Examples If sulfurous acid is present, it will be oxidized to sulfuric acid and precipitated as barium sulfate by the barium chlorid. Detection of the […]
- Barium 140
the radioactive isotope of barium having a mass number of 140 and a half-life of 12.8 days, used chiefly as a tracer.
- Barium bromate
colorless, slightly water-soluble, poisonous crystals, Ba(BrO 3) 2 ⋅H 2 O, used in the preparation of certain bromates.
- Barium carbonate
a white, poisonous, water-insoluble powder, BaCO 3 , used chiefly in the manufacture of rodenticides, paints, and dyes. Historical Examples The barium carbonate can then be filtered off and converted into any desired salt by the processes already described. An Elementary Study of Chemistry William McPherson barium carbonate also gives a precipitate, and is useful […]