What is Rubidium carbonate used for?

Rubidium carbonate is a water insoluble Rubidium source that can easily be converted to other Rubidium compounds, such as the oxide by heating (calcination). Carbonate compounds also give off carbon dioxide when treated with dilute acids. Rubidium Carbonate is generally immediately available in most volumes.
Rubidium carbonate, Rb2CO3, is a convenient compound of rubidium; it is stable, not particularly reactive, and readily soluble in water, and is the form in which rubidium is usually sold.
Rubidium carbonate can be prepared by adding ammonium carbonate to rubidium hydroxide.
Uses
Rubidium carbonate is used in some kinds of glass-making by enhancing stability and durability as well as reducing its conductivity. Rubidium carbonate is also used as a part of a catalyst for preparing short-chain alcohols from feed gas. Analytics reagents, also used in synthetic other rb salt.
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