Gadolinium (Gd): Advanced Magnetic Refrigeration Tech, Bubble Memory Storage, Nuclear Control Rods System
Gadolinium is a silvery-white malleable metal with melting point 1312°C, boiling point 3250°C, density 7.901 g/cm³. Exhibits magnetism at room temperature. Relatively stable in dry air, but tarnishes in moist air.
Applications
Product Series
|
Product |
Product Code |
Safety Data |
Technical Data |
|
Gadolinium 99.9% |
ET-GdM-01 |
Gadolinium.pdf | Gadolinium Metal 99.9.pdf |
|
Gadolinium 99.99% |
ET-GdM-02 |
Gadolinium Metal 99.99.pdf |
| Signal Word | N/A |
| Hazard Statements | N/A |
| Hazard Codes | N/A |
| Precautionary Statements | P231+P232 |
| Flash Point | N/A |
| Risk Codes | N/A |
| Safety Statements | N/A |
| RTECS Number | N/A |
| Transport Information | UN 3208 4.3/PG 3 |
| WGK Germany | 3 |
Packaging Specifications
Production Method
After separating gadolinium from other rare earths via ion exchange/solvent extraction, metallothermic reduction prepares metallic gadolinium. Unlike calcium reduction, lithium reduction occurs in gas phase. The lithium reduction reactor has two heating zones, combining reduction and distillation. Anhydrous GdCl₃ is placed in the upper titanium crucible (also serving as distillation chamber), with lithium metal in the lower crucible. The stainless steel vessel is evacuated to 7Pa before heating. At 1000°C, GdCl₃ vapor reacts with lithium vapor, depositing gadolinium particles in the lower crucible. Post-reaction, only the lower crucible is heated to distill LiCl upward. The 10-hour process requires 99.97% pure lithium and doubly distilled anhydrous GdCl₃ for high-purity gadolinium.
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