Month: October 2017

rare earth polishing powder factory in China

At present, the main products include Rare earth oxide: lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, lutetium, holmium, erbium, ytterbium, thulium, yttrium, scandium; Inorganic oxide: cobalt oxide, nickel oxide, bismuth oxide, tantalum oxide, niobium oxide, germanium oxide,gallium oxide, indium oxide. Our products are widely applied to fields such as ceramics, glass, construction material, […]

General description of rare earth

Rare Earth Oxides RE oxide are most stable from various RE compounds, the fundamental raw material of other compounds and are basic products of raw material in RE industry. RE oxides are generally prepared by ignition of corresponding hydroxide, oxalate, carbonate salt, nitrate salt, soleplate salt in the air. RE oxide are insoluble in water […]

Which elements are rare earth element?

Rare earth is a periodic table of the chemical elements in the lanthanide and their associated and similar elements collectively, which comprises lanthanum ( La ), cerium ( Ce ), praseodymium ( Pr ),neodymium ( Nd ),promethium ( Pm ), samarium( Sm ) , europium ( Eu ), gadolinium ( Gd ), terbium ( Tb ), […]

Rare earth oxides formula weight

AtomicSymbol AtomicNumber AtomicWeight Rare earthOxide F.Wt Half F.Wt La 57 138.905 La2O3 305.8 162.9 Ce 58 140.12 CeO2 172.1 172.1 Pr 59 140.908 Pr6O11 1021.4 170.2 Nd 60 144.2 Nd2O3 336.4 168.2 Sm 62 150.4 Sm2O3 348.8 174.4 Eu 63 151.96 Eu2O3 351.9 176.0 Gd 64 157.2 Gd2O3 362.4 181.2 Tb 65 158.925 Tb4O7 747.7 […]

Rare earth standard electrode potential

Acidic solution V Alkaline solution V La3++3e=La -2.522 La(OH)3+3e=La+3OH- -2.9 Ce3++3e=Ce La(OH)3+3e=La+3OH- Ce4++e=Ce3+ La(OH)3+3e=La+3OH- Pr3++3e=Pr La(OH)3+3e=La+3OH- Nd3++3e=Nd La(OH)3+3e=La+3OH- Sm3++3e=Sm La(OH)3+3e=La+3OH- Sm3++e=Sm2+ La(OH)3+3e=La+3OH- Eu3++3e=Eu La(OH)3+3e=La+3OH- Gd3++3e=Gd La(OH)3+3e=La+3OH- Tb3++3e=Tb La(OH)3+3e=La+3OH- Dy3++3e=Dy La(OH)3+3e=La+3OH- Er3++3e=Ho La(OH)3+3e=La+3OH- Ho3++3e=Er La(OH)3+3e=La+3OH- Tm3++3e=Tm La(OH)3+3e=La+3OH- Yb3++3e=Yb La(OH)3+3e=La+3OH- La3++3e=La La(OH)3+3e=La+3OH- La3++3e=La La(OH)3+3e=La+3OH- La3++3e=La La(OH)3+3e=La+3OH- La3++3e=La La(OH)3+3e=La+3OH-

Cerium oxide polishing powder production

Development history With the development of rare-earth industry, in twentieth Century 30 time, first appeared in Europe by rare earth oxide polishing powder for polishing glass. In the Second World War, rare earth polishing powder quickly in the polishing precision optical instrument to succeed. Because of the rare earth polishing powder with high polishing efficiency, […]

The Application of Rare Earth

Rare earth materials with special chemical and physical properties, so it has a wide range of applications in material, chemical, and nuclear energy, such as its main function is to improve the material performance and activity, it's main application: 1.Metallurgy: de-oxygen de-sulfur, and other injurious ingredients to act reducing agent. 2.Flint, ignition device 3.catalyst for […]

Physical properties of rare earth metal

AtomicNumbe AtomicSymbol AtomicWeight Ionic Radius(A) Density (g/cm3) Melting Point (oC) Boiling Point(oC) Oxide's Melting Point(oC) Specific Resistance Magnetic Moment Thermal Neutron Capture Cross Section 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 21 39 La Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb […]

Discovery and early history of rare earth

Rare earth elements became known to the world with the discovery of the black mineral "ytterbite" (renamed to gadolinite in 1800) by Lieutenant Carl Axel Arrhenius in 1787, at a quarry in the village of Ytterby, Sweden. Arrhenius' "ytterbite" reached Johan Gadolin, a Royal Academy of Turku professor, and his analysis yielded an unknown oxide […]

Cerium Sulfate Tetrahydrate

CAS NO : 10294-42-5 Mol Fm : Ce(SO4)2·4H2O Prop. : Yellow crystalline powder, soluble in water and alcohol;Hydroscopic Packing : Drum inner with plastic bag. Net weight 25/50 kg Storage : Keep sealed and store in dry and cool places Apps : As oxidizing agent,water-proofing agent and antifungal agent CODE CESO-4N CESO-3N CESO-2N TREO>% 42 […]