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74 news items

 
Empowered News
Mon, 08 Feb 2016 09:15:00 -0800

Since baryte is a primary ore of barium, it is used to make wide variety of barium compounds such as chloride, nitrate, carbonate and hydrate among others which can be used for ray shielding. Baryte has ability to block X-ray and gamma-ray emissions ...

LiveScience.com

LiveScience.com
Thu, 20 Jun 2013 07:44:45 -0700

Discovery: Baryta, the term for several barium compounds, was distinguished from lime by German chemist Carl Wilhelm Scheele in 1774; the element was discovered by Sir Humphrey Davy in 1808. Barite. Barium sulfate, or barite, is used in paint, X-ray ...

The Conversation UK

The Conversation UK
Thu, 31 Dec 2015 01:56:15 -0800

These metals make firework colours, in much the same way as Victorian scientists identified chemicals by burning them in a Bunsen flame; blue from copper, red from strontium or lithium, and bright green or white from barium compounds. There is more ...

The Guardian

The Guardian
Sun, 15 Nov 2015 13:29:30 -0800

These metals are used to make firework colours in much the same way as Victorian scientists identified chemicals by burning them in a Bunsen flame; red from strontium or lithium, blue from copper and bright green or white from barium compounds.

Buffalo News

Buffalo News
Tue, 25 Aug 2015 09:09:46 -0700

But the plant released about 56,000 pounds into the environment, including 34,641 pounds of hydrogen fluoride; 20,514 pounds of hydrochloric acid; 884 pounds of barium compounds, 83 pounds of lead and 17 pounds of mercury. “The Huntley plant is ...

The Guardian

The Guardian
Wed, 26 Aug 2015 09:39:59 -0700

But there are many harmless barium compounds too. You are also wrong in the composition of gyprock. It's actualy hydrated Cacium sulphate. CaSO4· 2H2O. Now if that is toxic, you would expect just about every plasterer in the world to be dead. Which is ...

Daily Mail

Daily Mail
Fri, 03 Jul 2015 13:52:29 -0700

As July 4th celebrations erupt across America, the sky is set to be lit up with a rainbow of explosions, with the emphasis on red, white and blue. However, getting the right colour for the occasion means using the right chemicals. From copper to ...

RedOrbit

RedOrbit
Wed, 08 Jul 2015 20:43:35 -0700

“For example, Barium compounds produce green, Strontium compounds produce Red, Sodium compounds produce Yellow, and Copper compounds produce blue. Those are just the basic colors, but you can have subtle levels in between, in addition to many ...
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