Caesium

Caesium from its use in atomic clocks, thus relating to scheduling.

Snell-Pym » Designing a general data model 2009

In an earlier article, again not written until after he was retired, the same author, Dr. Louis Essen, the pioneer of the Caesium atomic clock, had declared that the hope for the future lay in supporting those who reject Einstein's theory and search for that hidden energy that pervades the vacuum state (4).

Chapter 4 1990

_Caesium hydroxide_, Cs (OH) _2, obtained by the decomposition of the sulphate with baryta water, is a greyish-white deliquescent solid, which melts at a red heat and absorbs carbon dioxide rapidly.

Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4 "Bulgaria" to "Calgary" Various

Caesium compounds can be readily recognized by the two bright blue lines

Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4 "Bulgaria" to "Calgary" Various

Caesium is found in the mineral springs of Frankenhausen, Montecatini, di Val di

Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4 "Bulgaria" to "Calgary" Various

_Caesium nitrate_, CsNO_3, is obtained by dissolving the carbonate in nitric acid, and crystallizes in glittering prisms, which melt readily, and on heating evolve oxygen and leave a residue of caesium nitrite.

Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4 "Bulgaria" to "Calgary" Various

_Caesium chloride_, CsCl, is obtained by the direct action of chlorine on caesium, or by solution of the hydroxide in hydrochloric acid.

Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4 "Bulgaria" to "Calgary" Various

_Caesium sulphate_, Cs_2SO_4, may be prepared by dissolving the hydroxide or carbonate in sulphuric acid.

Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4 "Bulgaria" to "Calgary" Various

Caesium is best detected by the spectroscope, its spectrum being characterised by two lines in the blue and one in the red; the latter is about midway between the lithium and sodium lines.

A Text-book of Assaying: For the Use of Those Connected with Mines. Cornelius Beringer 1886

Caesium three- to six-times higher than safety standards was found last week in beef shipped to Tokyo from a farmer in Minami Soma city, near Tokyo Electric Power Co's Fukushima Daiichi nuclear power plant.

Telegraph.co.uk - Telegraph online, Daily Telegraph and Sunday Telegraph 2011