Gadolinium Nitrate Gd(NO3)3.xH2O

Product Properties

Product：Gadolinium Nitrate
Formula: Gd(NO3)3.xH2O
CAS No.: 94219-55-3
Molecular Weight: 343.26
Density: 2.3 g/cm3
Melting point: 91 °C
Appearance: White crystalline

Specification of Gadolinium Nitrate

 
Gd2O3/TREO (% min.)99.99999.9999.999
TREO (% min.)45454545
Rare Earth Impuritiesppm max.ppm max.% max.% max.
La2O3/TREO
CeO2/TREO
Pr6O11/TREO
Nd2O3/TREO
Sm2O3/TREO
Eu2O3/TREO
Tb4O7/TREO
Dy2O3/TREO
Ho2O3/TREO
Er2O3/TREO 
Tm2O3/TREO
Yb2O3/TREO
Lu2O3/TREO
Y2O3/TREO		1
1
1
1
5
5
5
1
1
1
1
1
1
2		5
10
10
10
30
30
20
5
5
5
5
5
5
5		0.005
0.005
0.005
0.005
0.02
0.05
0.011
0.01
0.005
0.005
0.001
0.001
0.001
0.032		0.01
0.01
0.01
0.01
0.1
0.12
0.05
0.05
0.05
0.01
0.01
0.01
0.013
0.05
Non-Rare Earth Impuritiesppm max.ppm max.% max.% max.
Fe2O3
SiO2
CaO
CuO
PbO
NiO		3
50
50
3
3
3		10
50
50
10
10
10		0.003
0.015
0.05
0.002
0.001
0.001		0.005
0.03
0.052
0.003
0.003
0.005
 
Application of Gadolinium Nitrate
  • Neutron Absorber: Gadolinium nitrate is used as a neutron absorber in nuclear reactors. Gadolinium has a high neutron capture cross-section, which makes it effective in controlling the nuclear fission reaction. It can be added to the reactor’s cooling water where it helps in managing the reactivity of the reactor core, enhancing safety and efficiency.
  • Contrast Agent in Medical Imaging: Gadolinium nitrate can be used in the preparation of contrast agents for magnetic resonance imaging (MRI). Gadolinium compounds improve the contrast of MRI images by altering the relaxation times of protons in the body. This helps in providing clearer images of tissues and organs, aiding in more accurate diagnoses.
  • Phosphor Material: Gadolinium nitrate is used in the production of phosphors for color TV tubes, fluorescent lamps, and other display technologies. It acts as a host material that can be doped with other elements to produce phosphors that emit light at specific wavelengths when excited by electrons or ultraviolet light.
  • Catalysis and Chemical Synthesis: In research and industrial chemistry, gadolinium nitrate is utilized as a catalyst or a reagent in various chemical reactions, including organic synthesis and materials science experiments. Its role in catalysis often involves the use of its magnetic and chemical properties to influence reaction mechanisms and outcomes.
  • Doping Agent: Gadolinium nitrate is used as a doping agent in the synthesis of advanced materials, including ceramics and glasses. Doping with gadolinium can modify the electrical and optical properties of materials, making them suitable for applications in electronics, optics, and photonics.