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Rubidium — Wikipédia

Rubidium ist ein weiches sehr reaktives Alkalimetall mit einem niedrigen Schmelzpunkt Es reagiert an feuchter Luft zu RbOH und RbO2 sodass der metallische Glanz frischer Schnittflächen sofort verblasst Nach aufwendiger Anreicherung kann Rubidium aus Rb2Cr2O durch Reduktion mit Zink gewonnen werden Es verbrennt an der Luft mit rosa-violetter Flamme

WebElements Periodic Table Rubidium the essentials

Rubidium is used in fireworks because of the color of its flame when it burns When Rubidium comes into contact with water it reacts violently and explosively producing a yellowish-violet colored flame Pictures Uses of Rubidium Rubidium is used extensively in determining the

Rubidium D2 Absorption Spectroscopy Scientific

Twenty four isotopes of rubidium are known Naturally occurring rubidium is made of two isotopes 85 Rb and 87 Rb Rubidium-87 is present to the extent of 27 85 in natural rubidium and is a beta emitter with a half-life of 4 9 x 10 10 years Ordinary rubidium is sufficiently radioactive to expose a photographic film in about 30 to 60 days

Rubidium Wikipedia

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Rubidium Minerals Education Coalition

Rubidium is a chemical element with the symbol Rb and atomic number 37 Rubidium is a very soft silvery-white metal in the alkali metal group Rubidium metal shares similarities to potassium metal and caesium metal in physical appearance softness and conductivity

Mineral Commodity Profiles - Rubidium - USGS

Rubidium is another alkali metal it has chemical symbol Rb and atomic number 37 It takes its name from a red strip in its specter even if it s not red but it s a light soft and silvery-white metal Rubidium compounds are often used in the fireworks to give them a red color It s also used in the atomic watch like its cousin Cs

Rubidium

Rubidium is a very reactive alcali metal of the first group of the table of elements It was first discovered by Bunsen and Kirchhoff in 1861 using spectroscopic investigations Due to its typical red color of the spectral lines it was named after the Latin word rubidus darkred It …

It s Elemental - The Element Rubidium

Definition of rubidium in the Definitions net dictionary Meaning of rubidium What does rubidium mean Information and translations of rubidium in the most comprehensive dictionary definitions resource on the web

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Rubidium has a low melting point it will melt and become liquid on very hot days Rubidium has very few commercial or industrial uses It is used in photocells in special glass and as a radioactive tracer A common isotope of rubidium is radioactive and because it is difficult to separate the isotopes pure rubidium is slightly radioactive

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Uses rubidium is used in making certain catalysts in photoelectric cells and in special glasses It can also be used in thin film batteries because of its high conductivity Rubidium is used as a getter in vacuum tubes Rubidium has been considered for use in ion engines for space vehicles because it can be ionized easily

Rubidium in Chemie Schülerlexikon Lernhelfer

Jul 16 2016· Rubidium metal reacts very rapidly with water to form a colourless solution of rubidium hydroxide RbOH and hydrogen gas H2 The resulting solution is basic because of the dissolved hydroxide The reaction is very exothermic The reaction is so

Rubidium - Wikipedia

Rubidium was discovered by the German chemists Robert Bunsen and Gustav Kirchhoff in 1861 while analyzing samples of the mineral lepidolite KLi 2 Al Al Si 3 O 10 F OH 2 with a device called a spectroscope The sample produced a set of deep red spectral lines they had never seen before

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The following uses for rubidium are gathered from a number of sources as well as from anecdotal comments I would be delighted to receive corrections as well as additional referenced uses rubidium is easily ionized and so has possible use in ion engines for …

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An alkaline earth metal by nature rubidium is placed in the alkaline metal on the periodic table devoted to elements The uses of rubidium predominantly are confined to laboratory research It is basically used for the purpose of conducting experiments

Periodic Table of Elements Los Alamos National Laboratory

The Surplus 10 MHz Rubidium Frequency Standard LPRO‐101 by DATUM EFRATOM in the ham shack Hans DL2MDQ and Juergen DD6UJS 20 10 09 Introduction The compact 10 MHz Rb atomic clock module LPRO‐101 from Datum Efratom which is chaeply available on the surplus market has been integrated into an aluminium cabinet together

Rubidium Rb - Wirkung Funktion Mangelerscheinungen

Rubidium is a soft ductile silvery-white metal that melts at 39 3 oC One of the alkali metals it is positioned in group 1 or IA of the periodic table between potassium and cesium Naturally occurring rubidium is slightly radioactive Rubidium is an extremely reactive …

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Rubidium can be liquid at ambient temperature but only on a hot day given that its melting point is about 40°C It is a soft silvery-white metallic element of the alkali metals group Group 1 It is one of the most most electropositive and alkaline elements It ignites spontaneously in …

What causes rubidium to explode in water - Quora

Effets du rubidium sur la santé Effets d exposition réactif à l eau Modérément toxique par l ingestion Si le rubidium est mis à feu il causera des brûlures thermiques Le rubidium réagit aisément avec l humidité de la peau pour former de l hydroxyde de rubidium qui cause des brûlures chimiques des yeux et de la peau

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Rubidium von lateinisch rubidus ‚tiefrot wegen zweier charakteristischer roter Spektrallinien ist ein chemisches Element mit dem Elementsymbol Rb und der Ordnungszahl 37 Im Periodensystem steht es in der 1 Hauptgruppe bzw der 1 IUPAC-Gruppe und zählt zu den Alkalimetallen Das weiche silbrigweiß glänzende Metall entzündet sich spontan bei Luftzutritt

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Rubidium ingot 99 6 trace metals basis CAS Number 7440-17-7 Empirical Formula Hill Notation Rb Molecular Weight 85 47 EC Number 231-126-6 MDL number MFCD00134055 PubChem Substance ID 24856703 NACRES NA 23

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Rubidium Rb CID 5357696 - structure chemical names physical and chemical properties classification patents literature biological activities safety hazards

WebElements Periodic Table Rubidium uses

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Rubidium Isotopes supplier Trace Sciences is the world s most reliable supplier of enriched stable Rb isotopes We guarantee quality stable enriched Rubidium isotopes Both Rubidium isotopes have medical and industrial applications

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Rubidium and cesium ions as electrolyte additive for

Rubidium-87 is present to the extent of 27 85 in natural rubidium and is a beta emitter with a half-life of 4 9 x 10 10 years Ordinary rubidium is sufficiently radioactive to expose a photographic film in about 30 to 60 days Rubidium forms four oxides Rb 2 O Rb 2 O 2 Rb 2 O 3 Rb 2 O 4 Because rubidium can be easily ionized it has been

Rubidium Rb - PubChem

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Rubidium has a low melting point it will melt and become liquid on very hot days Rubidium has very few commercial or industrial uses It is used in photocells in special glass and as a radioactive tracer A common isotope of rubidium is radioactive and because it is difficult to separate the isotopes pure rubidium is slightly radioactive