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Basic Info.
Model NO.
ES0427
CAS
12024-81-6
Molecular Formula
Gdse
Synonyms
Gadolinium(II) Selenide.
Color
Black
Form
Powder
Brand
Easchem
Transport Package
Vacuum Bag or Packing as Per Request.
Specification
Gadolinium Selenide Powder
Trademark
EASCHEM
Origin
China
Production Capacity
10tons Per Month
Product Description
Product Name | Gd Metal | Gd Metal | ||
Chemical formula | Gd | Gd | ||
Total rare earths | 99.00% | 99.00% | ||
Test item | unit | Specified value | Specified value | |
Gd/RE | % | ≥99.90 | ≥99.50 | |
Non rare earth impurity content | Fe | % | ≤0.05 | ≤0.05 |
Si | % | ≤0.01 | ≤0.01 | |
C | % | ≤0.03 | ≤0.03 | |
O | % | ≤0.20 | ≤0.20 | |
Mg | % | ≤0.05 | ≤0.05 | |
Product Features | Bulk or acicular crystal and the surface is silver gray | |||
Application | Mainly applied to permanent magnet and magnetic cooling materials | |||
Packing | packing in polyethylene bags with argon protection sealed in steel drums,50KG/250KG perdrum. | |||
Tailor-made service | Customized products and packages can be provided according to customers' special requirements. |
Index Model | ESR5 | ESW2 | |
Chemical formula | Gd | Gd | |
Total rare earth (%) | 99 | 99 | |
Gd/RE(%) | ≥99.90 | ≥99.50 | |
Non-rare earth impurity content (%) | Fe | ≤0.05 | ≤0.05 |
Si | ≤0.01 | ≤0.01 | |
C | ≤0.03 | ≤0.03 | |
O | ≤0.20 | ≤0.20 | |
Mg | ≤0.05 | ≤0.05 |
Index Model | GdSe.3N | GdSe.4N | GdSe.4N |
Gd/TREM+Se(%,min) | 99.9 | 99.99 | 99.99 |
TREM+Se(%,min) | 99.0 | 99.5 | 99.9 |
Appearance | Black Powder | Black Powder | Black Powder |
RE Impurities/TREM | %(Max) | %(Max) | %(Max) |
Gd | Main | Main | Main |
Ce | |||
Pr | |||
Nd | |||
Sm | 0.01 | 0.003 | 0.003 |
Eu | 0.001 | 0.001 | 0.0005 |
La | |||
Tb | 0.01 | 0.001 | 0.0005 |
Dy | 0.01 | 0.001 | 0.005 |
Ho | 0.01 | 0.0005 | 0.0005 |
Er | 0.001 | 0.0005 | 0.0005 |
Tm | 0.001 | 0.0005 | 0.0005 |
Yb | 0.001 | 0.0005 | 0.0005 |
Lu | 0.001 | 0.003 | 0.0005 |
Y | 0.01 | 0.005 | 0.001 |
Non-Re Impurities | %(Max) | %(Max) | %(Max) |
Fe | 0.15 | 0.05 | 0.005 |
Si | 0.01 | 0.01 | 0.005 |
Ca | 0.05 | 0.05 | 0.005 |
Al | 0.01 | 0.01 | 0.003 |
Mg | 0.01 | 0.01 | 0.003 |
Zn | |||
Cu | |||
Ni | |||
Pb | |||
Cd | |||
Cr | |||
Hg | |||
Na | |||
K | |||
Ti | |||
Th | |||
Mo | |||
C | 0.01 | 0.01 | 0.01 |
Cl- | 0.02 | 0.01 | 0.01 |
Particle Size: | 1-5um, 5-10um, -325mesh, -200mesh, -100mesh. | ||
Memo | Can custom-made as per request. |
Packing: | 0.1KGs, 0.2KGs, 0.5KGs Vacuum Bag or packing as per request. |
Storare: | Storing in sealed, dry and cool condition, not exposing to air for long time, avoiding moisture. |
Characteristics: | Black powder is extremely susceptible to oxidation and ignition in the air. |
Application: | 1.ductile and ductile metals, widely used in the manufacture of special alloys, MRI (magnetic resonance imaging), superconducting materials and magnetic refrigerators. |
2.It can be further processed into various shapes of ingots, blocks, wires, foils, plates, rods, disks and powders. |
ITEM | SPECIFICATIONS | TEST RESULTS | ||||||
Gd/TREM(%,min) | 99.5 | 99.5 | ||||||
TREM(%,min) | 99.50 | 99.50 | ||||||
RE Impurities(%/TREM,Max) | ||||||||
La | 0.0035 | |||||||
Ce | 0.001 | |||||||
Pr | 0.001 | |||||||
Nd | 0.0046 | |||||||
Sm | 0.0035 | |||||||
Eu | 0.001 | |||||||
Tb | 0.021 | |||||||
Dy | 0.013 | |||||||
Ho | 0.001 | |||||||
Er | 0.001 | |||||||
Tm | 0.001 | |||||||
Y | 0.018 | |||||||
Yb | 0.001 | |||||||
Lu | 0.001 | |||||||
Sc | 0.001 | |||||||
Non-Re Impurities(%,Max) | ||||||||
Fe | 0.005 | |||||||
Si | 0.005 | |||||||
O | 0.068 | |||||||
Ca | 0.0076 | |||||||
Mg | 0.005 | |||||||
Cu | 0.0028 | |||||||
C | 0.002 | |||||||
Al | 0.0035 |
Packing: | 50KGs Iron Drum or 1000KGs Jumb Bag or packing as per request. |
Storare: | Storing in sealed, dry and cool condition, not exposing to air for long time, avoiding moisture. |
Characteristics: | Pink powder, slightly soluble in inorganic acid, insoluble in water. |