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Ytterbium Produkt Beschreibung

YTTERBIUM Struktur
7440-64-4
CAS-Nr.
7440-64-4
Bezeichnung:
Ytterbium
Englisch Name:
YTTERBIUM
Synonyma:
Yb;YB000200;YB000215;YB000230;YB000205;YB007920;YB006100;YB000260;YB005110;YB007910
CBNumber:
CB1276806
Summenformel:
Yb
Molgewicht:
173.04
MOL-Datei:
7440-64-4.mol

Ytterbium Eigenschaften

Schmelzpunkt:
824 °C(lit.)
Siedepunkt:
1196 °C(lit.)
Dichte
6.54 g/mL at 25 °C(lit.)
storage temp. 
Flammables area
Aggregatzustand
powder
Farbe
Silver-gray
Wichte
6.97
Widerstand (resistivity)
28 μΩ-cm, 20°C
Wasserlöslichkeit
It reacts slowly with water and is soluble in dilute acids.
Sensitive 
Air & Moisture Sensitive
Merck 
13,10160
CAS Datenbank
7440-64-4(CAS DataBase Reference)
EPA chemische Informationen
Ytterbium (7440-64-4)
Sicherheit
  • Risiko- und Sicherheitserklärung
  • Gefahreninformationscode (GHS)
Kennzeichnung gefährlicher Xn,F,Xi
R-Sätze: 36/37/38-20/21/22-11-36/38
S-Sätze: 36-33-16-26
RIDADR  UN 3089 4.1/PG 2
WGK Germany  3
RTECS-Nr. ZG1925000
TSCA  Yes
HazardClass  4.2
PackingGroup  I
HS Code  28053090
Bildanzeige (GHS)
Alarmwort Achtung
Gefahrenhinweise
Code Gefahrenhinweise Gefahrenklasse Abteilung Alarmwort Symbol P-Code
H228 Entzündbarer Feststoff. Entzündbare Feststoffe Kategorie 1 Achtung
Warnung
P210, P240,P241, P280, P370+P378
H250 Entzündet sich in Berührung mit Luft von selbst. Pyrophoric liquids; Pyrorophoric solids Category 1 Achtung P210, P222, P280, P302+P334,P370+P378, P422
H252 In großen Mengen selbsterhitzungsfähig; kann in Brand geraten. Self-heating substances and mixtures Category 2 Warnung P235+P410, P280, P407, P413, P420
H260 In Berührung mit Wasser entstehen entzündbare Gase, die sich spontan entzünden können. Stoffe und Gemische, die in Berührung mit Wasser entzündbare Gase entwickeln Kategorie 1 Achtung P223, P231+P232, P280, P335+ P334,P370+P378, P402+P404, P501
H302 Gesundheitsschädlich bei Verschlucken. Akute Toxizität oral Kategorie 4 Warnung P264, P270, P301+P312, P330, P501
H312 Gesundheitsschädlich bei Hautkontakt. Akute Toxizität dermal Kategorie 4 Warnung P280,P302+P352, P312, P322, P363,P501
H315 Verursacht Hautreizungen. Hautreizung Kategorie 2 Warnung P264, P280, P302+P352, P321,P332+P313, P362
H319 Verursacht schwere Augenreizung. Schwere Augenreizung Kategorie 2 Warnung P264, P280, P305+P351+P338,P337+P313P
H332 Gesundheitsschädlich bei Einatmen. Akute Toxizität inhalativ Kategorie 4 Warnung P261, P271, P304+P340, P312
H335 Kann die Atemwege reizen. Spezifische Zielorgan-Toxizität (einmalige Exposition) Kategorie 3 (Atemwegsreizung) Warnung
Sicherheit
P210 Von Hitze, heißen Oberflächen, Funken, offenen Flammen und anderen Zündquellenarten fernhalten. Nicht rauchen.
P222 Kontakt mit Luft nicht zulassen.
P223 Keinen Kontakt mit Wasser zulassen.
P240 Behälter und zu befüllende Anlage erden.
P261 Einatmen von Staub vermeiden.
P280 Schutzhandschuhe/Schutzkleidung/Augenschutz tragen.
P231+P232 Unter inertem Gas handhaben. Vor Feuchtigkeit schützen.
P305+P351+P338 BEI KONTAKT MIT DEN AUGEN: Einige Minuten lang behutsam mit Wasser spülen. Eventuell vorhandene Kontaktlinsen nach Möglichkeit entfernen. Weiter spülen.

Ytterbium Chemische Eigenschaften,Einsatz,Produktion Methoden

R-Sätze Betriebsanweisung:

R36/37/38:Reizt die Augen, die Atmungsorgane und die Haut.
R20/21/22:Gesundheitsschädlich beim Einatmen,Verschlucken und Berührung mit der Haut.
R11:Leichtentzündlich.
R36/38:Reizt die Augen und die Haut.

S-Sätze Betriebsanweisung:

S36:DE: Bei der Arbeit geeignete Schutzkleidung tragen.
S33:Maßnahmen gegen elektrostatische Aufladungen treffen.
S16:Von Zündquellen fernhalten - Nicht rauchen.
S26:Bei Berührung mit den Augen sofort gründlich mit Wasser abspülen und Arzt konsultieren.

Chemische Eigenschaften

metal chips

Physikalische Eigenschaften

Ytterbium is a silvery, soft, malleable, and ductile metal with a lustrous metallic shine.It is slightly reactive in air or water at room temperatures. Ytterbium is located next to lastof the rare-earths in the lanthanide series. It slowly oxidizes as it reacts with oxygen in theatmosphere, forming a somewhat duller coating. Ytterbium was the first rare-earth to bediscovered by Carl Gustof Mosander in 1843. More of it exists in the Earth’s crust than oncewas believed.
Ytterbium
It was often confused with other rare-earths and was known by two other names, aldebaraniumand cassiopeium. Ytterbium’s melting point is 819°C, its boiling point is 1,196°C, andits density is 6.9654g/cm3.

Isotopes

There are a total of 37 isotopes of ytterbium. Seven of these are stable, andthey make up all of the natural ytterbium found on Earth. One of these isotopes (Yb-176) has such a long half-life (1.6×10+17years) that it contributes 12.76% of the naturalytterbium existing on Earth, and thus it is considered stable. All the other 30 isotopes areartificially radioactive and produced by nuclear fission in nuclear reactors with half-livesranging from a fraction of a second to 32 days.

Origin of Name

Ytterbium is named for the Ytterby quarry located in Sweden.

Occurrence

Ytterbium is the 45th most abundant element, and it ranks 10th in abundance (2.7 ppm)among the 17 rare-earths found in the Earth’s crust.
It is found in ores along with other rare-earths that were first found in the Ytterby quarryof Sweden. These ores are xenotime, euxenite, gadolinite, and monazite. Monazite river sand is the main source of ytterbium, which is found in India and Brazil and the beaches of Florida.Ytterbium is also found as a decay product of the fission reaction in nuclear reactors.

Charakteristisch

In the past there was some confusion about the rare-earths because they are not really earthsat all, but rather binary compounds of oxides of metals. Compounding the confusion was thefact that they were always found combined with several other rare-earths.
The salts of ytterbium are paramagnetic, which exhibit weaker magnetic fields than do ironmagnets.

History

Marignac in 1878 discovered a new component, which he called ytterbia, in the Earth then known as erbia. In 1907, Urbain separated ytterbia into two components, which he called neoytterbia and lutecia. The elements in these earths are now known as ytterbium and lutetium, respectively. These elements are identical with aldebaranium and cassiopeium, discovered independently and at about the same time by von Welsbach. Ytterbium occurs along with other rare earths in a number of rare minerals. It is commercially recovered principally from monazite sand, which contains about 0.03%. Ion-exchange and solvent extraction techniques developed in recent years have greatly simplified the separation of the rare earths from one another. The element was first prepared by Klemm and Bonner in 1937 by reducing ytterbium trichloride with potassium. Their metal was mixed, however, with KCl. Daane, Dennison, and Spedding prepared a much purer form in 1953 from which the chemical and physical properties of the element could be determined. Ytterbium has a bright silvery luster, is soft, malleable, and quite ductile. While the element is fairly stable, it should be kept in closed containers to protect it from air and moisture. Ytterbium is readily attacked and dissolved by dilute and concentrated mineral acids and reacts slowly with water. Ytterbium has three allotropic forms with transformation points at –13° and 795°C. The beta form is a room-temperature, face-centered, cubic modification, while the high-temperature gamma form is a body-centered cubic form. Another bodycentered cubic phase has recently been found to be stable at high pressures at room temperatures. The beta form ordinarily has metallic-type conductivity, but becomes a semiconductor when the pressure is increased above 16,000 atm. The electrical resistance increases tenfold as the pressure is increased to 39,000 atm and drops to about 80% of its standard temperature- pressure resistivity at a pressure of 40,000 atm. Natural ytterbium is a mixture of seven stable isotopes. Twenty-six other unstable isotopes and isomers are known. Ytterbium metal has possible use in improving the grain refinement, strength, and other mechanical properties of stainless steel. One isotope is reported to have been used as a radiation source as a substitute for a portable X-ray machine where electricity is unavailable. Few other uses have been found. Ytterbium metal is available with a purity of about 99.9% for about $10/g. Ytterbium has a low acute toxicity rating.

Verwenden

Ytterbium is being applied to numerous fiber amplifier and fiber optic technologies and in various lasing applications. 
Ytterbium metal increases its electrical resistance when subjected to very high stresses. This property is used in stress gauges for monitoring ground deformations from earthquakes and nuclear explosions. 
Ytterbium can also be used as a dopant to help improve the grain refinement, strength, and other mechanical properties of stainless steel. Some Ytterbium alloys have rarely been used in dentistry.
It is also used as in thermal barrier system bond coatings on nickel, iron and other transitional metal alloy substrates.
Ytterbium Metal, is being applied in improving the grain refinement, strength, and other mechanical properties of stainless steel and alloys. The 169Yb has been used as a radiation source in portable X-ray machines.169Yb is also used in nuclear medicine. Ytterbium can also be used as a dopant to help improve the grain refinement, strength, and other mechanical properties of stainless steel. Some ytterbium alloys have rarely been used in dentistry.
Ytterbium Metal can be further processed to various shapes of ingots, pieces, wires, foils, slabs, rods, discs and powder.

Verwenden

There is not much commercial use for ytterbium. Radioactive ytterbium can be used for asmall portable X-ray source and as an alloy to make special types of strong steel. The oxides ofytterbium are used to make lasers and some synthetic gemstones.

Definition

A metallic element. A rare-earth metal of yttrium subgroup, atomic number 70, aw 173.04, valence of 2, 3; exists in α and β forms, the latter being semiconductive at pressures above 16,000 atm. There are seven natural isotopes.

Definition

A soft malleable silvery element having two allotropes and belonging to the lanthanoid series of metals. It occurs in association with other lanthanoids. Ytterbium has been used to improve the mechanical properties of steel. Symbol: Yb; m.p. 824°C; b.p. 1193°C; r.d. 6.965 (20°C); p.n. 70; r.a.m. 173.04.

Definition

ytterbium: Symbol Yb. A silverymetallic element belonging to thelanthanoids; a.n. 70; r.a.m. 173.04;r.d. 6.965 (20°C); m.p. 819°C; b.p.1194°C. It occurs in gadolinite, monazite,and xenotime. There are sevennatural isotopes and ten artificial isotopesare known. It is used in certainsteels. The element was discoveredby Jean de Marignac (1817–94) in1878.

Hazard

Ytterbium dust and powder can explode and may be toxic if inhaled. The compound.ytterbium arsenate is a poison.

Sicherheitsprofil

As a lanthanon it maj7 have an anticoagulant action on blood. Questionable carcinogen with experimental tumorigenic data. Flammable in the form of dust when reacted with air, halogens. See also LANTHANUM and RARE EARTHS.

Ytterbium Upstream-Materialien And Downstream Produkte

Upstream-Materialien

Downstream Produkte


Ytterbium Anbieter Lieferant Produzent Hersteller Vertrieb Händler.

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7440-64-4(Ytterbium)Verwandte Suche:


  • YTTERBIUM PLASMA EMISSION SPECTROSCOPY STANDARD
  • YTTERBIUM PLASMA EMISSION STANDARD
  • YTTERBIUM, PLASMA STANDARD SOLUTION
  • YTTERBIUM SINGLE ELEMENT STANDARD
  • YTTERBIUM STANDARD
  • YTTERBIUM
  • YTTERBIUM METAL
  • YTTERBIUM ICP STANDARD
  • YTTERBIUM, AAS STANDARD SOLUTION
  • YTTERBIUM ATOMIC ABSORPTION STANDARD
  • YTTERBIUM ATOMIC ABSORPTION STANDARD SOLUTION
  • Yb
  • Ytterbium, plasma standard solution, Specpure(R), Yb 10,000μg/ml
  • Ytterbium, plasma standard solution, Specpure(R), Yb 1000μg/ml
  • YTTERBIUM, 99,9%, -12 MM
  • Ytterbium, 99.90%, powder, 40 mesh
  • Ytterbium, -12 mm
  • Ytterbium powder, -325 mesh, 99.9% (REO)
  • Ytterbium,99.9%,ingot
  • Ytterbium,99.9%,powder, 40 mesh
  • Ytterbium sputtering target, 50.8mm dia x 1.59mm thick
  • Ytterbium sputtering target, 50.8mm dia x 3.18mm thick
  • Ytterbium sputtering target, 76.2mm dia x 1.59mm thick
  • Ytterbium sputtering target, 76.2mm dia x 3.18mm thick
  • Ytterbium foil, 0.3mm (0.01 in.) thick
  • Ytterbium foil, 0.1mm (0.004 in.) thick
  • Ytterbium plasma standard solution, Yb 10000μg/mL
  • Ytterbium, AAS standard solution, Yb 1000μg/mL
  • Ytterbium foil, 1.0mm (0.04 in.) thick
  • Ytterbium plasma standard solution, Yb 1000μg/mL
  • Ytterbium foil, 0.64mm (0.025 in.) thick
  • Ytterbium, May contain up to 0.15% Calcium
  • Ytterbium Granules 0.5-2 mm
  • Ytterbium Pieces
  • Yiterbium
  • Ytterbium chips
  • Ytterbium foil
  • Ytterbium ingot
  • Ytterbium powder
  • YtterbiumchipsNREO
  • YtterbiumfoilNREOmmthickcagxmm
  • YtterbiumingotNREO
  • YtterbiumREOsmallpiecescamm
  • YTTERBIUM, CHUNK, 99.9%
  • YTTERBIUM, POWDER, 99.9+%
  • YTTERBIUM, CHIP, 99.9%
  • YTTERBIUM, POWDER, -40 MESH, 99.9%
  • YTTERBIUM, INGOT, 99.9%
  • Ytterbiumlump,sublimeddendritic,REacton,99.9%(REO)
  • Ytterbiumpowder,<250micron,REacton,99.9%(REO)
  • Ytterbium, -12 mm, 99.9%
  • Ytterbium, ingot, 99.90%
  • Ytterbium, powder, 40 mesh, 99.90%
  • Ytterbiumchips(99.9%REO)
  • Ytterbiumfoil(99.9%REO)
  • Ytterbiumingot(99.9%REO)
  • Ytterbiumpowder(99.9%REO)
  • YTTERBIUM CHIPS, 3N: (99.9% REO)
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