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Element Index

Neodymium

Neptunium

Neon

Nickel

Niobium

Nitrogen

Chemical's truth
Ricin is a natural poison extracted from the castor oil bean with a quoted LD50 of 20,000 ng/kg.


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Niobium boride

CAS no: 12045-19-1   Formula: NbB   Molecular weight: 103.717

Physical Data

Appearance: Grey orthorhombic crystals

Melting point: 2270°C
Boiling point: -

Density: 7.5 g/cm3
Solubility: -


Thermodynamic Data

Enthalpy of formation: -
Gibbs energy of formation: -

Entropy: -
Heat capacity: -


Production and preparation


Behavior and Chemical Properties


History and Uses


Hazard, Storage and Handling

(Last update: November 2004)


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