Two forms of barium, barium sulfate and barium carbonate
, are often found in nature as underground ore deposits.
The most widely used correction for soluble salts is the addition of barium carbonate
Its presence, however, was evidenced by FTIR--a sensitive technique that can detect traces of impurities such as barium carbonate
in very small quantities (~0.6wt%) .
This transformation takes at least two years and after processing provides 80-95% carbon-14 enriched barium carbonate
([Ba.sup.14]C[O.sub.3]) with a specific activity of 50-60 millicuries per millimole.
Exports of Natural Barium Sulphate and Natural Barium Carbonate
has grew month on month basis by 212.47%.
While calcium carbonate can be created within the pores of the cellulosic fibers by the interaction of sodium carbonate and calcium chloride solutions inside the fibers the formation of strontium or barium carbonate
is more easily secured without the formation of by-product sodium chloride.
AR grade chemicals of high purity barium carbonate
(BaC[O.sub.3] (99.95%)) and niobium penta-oxide (N[b.sub.2][O.sub.5] (99.999%)) were used as starting materials.
BaO2 can be prepared with commercially available barium carbonate
in the presence of hydrogen peroxide.
There are unusual mineral scales that are usually associated with high temperatures and pressures such as barium carbonate
One of the few studies analyzing the health effects of pyrotechnics found that stage fountains, devices similar to the gerbs mentioned above, contained the chemicals Nitrocellulose, Nitroguanidine, Ammonium Perchlorate (N[H.sub.4]Cl[O.sub.4]), Barium Carbonate
(BaC[O.sub.3]), Titanium (Ti), and Polyvinal Chloride (PVC).
The research team, led by Henry Tuller, a professor of materials sciences and engineering, designed a sensor to study gases in diesel exhaust by depositing layers of barium carbonate
on a quartz chip.
The EU Council of Ministers has confirmed definitive anti-dumping duties of up to 56.4% on Chinese imports of barium carbonate
, a compound used in rat poison, bricks and cement.