(~156~Sm)samarium
- Createtime： 2026-04-14
- Updatetime： 2026-04-15
Product Details
| Boiling Point |
1794 °C
|
| useage |
Industrial use
|
| deliveryInfo |
|
| appearance |
powder
|
| Storage |
Sealed, dry, inert atmosphere (argon); avoid moisture/air; shielded from radiation
|
| aliasen |
|
| supplyCapacity |
50000Metric Ton/Month
|
| harbor |
Qingdao,China
|
| minorder |
1KG
|
| Melting Point |
1072 °C (samarium metal)
|
- Appearance: Silvery-white metallic powder/ingot
- Isotopic Purity (1??Sm): ≥95.0%
- Chemical Purity (Sm): ≥99.0%
- Moisture: ≤0.1%
- Total Impurities (Other Rare Earths): ≤0.5%
- Radioactive Purity: ≥99.9% (no other radioisotopes)
- Decay Mode: β? → 1??Eu (verified)
Applications
CAS 15759-70-3 (1??Sm) is a short-lived radioactive rare earth isotope used in nuclear physics, radiochemical research, and calibration standards. As a β? emitter with ~9.4 h half-life, it serves as a tracer and calibration source for gamma-ray detectors, mass spectrometers, and radiation monitoring equipment, leveraging its characteristic decay gamma energies for instrument validation. In nuclear chemistry, it is used to study samarium-europium decay chains and fission product behavior in nuclear reactors, supporting reactor safety and fuel cycle research. In materials science, it acts as a radiotracer to investigate diffusion, corrosion, and phase transitions in metals and alloys, especially rare earth-based materials. It also supports environmental radiochemistry studies, tracking rare earth element transport in soil/water systems. Due to its short half-life, it is used in laboratory-scale research only, not for industrial or medical applications.
Safety Information
Classified as GHS07 (Radioactive Substance, β? Emitter); hazard statements H315, H319, H335, H350 (radioactive hazard).
- Inhalation: Radioactive dust causes internal exposure; use glove box, fume hood, and respiratory protection.
- Skin Contact: May cause irritation; radioactive contamination risk; wear lead-lined gloves, full-body protective clothing.
- Eye Contact: Severe irritation and radiation exposure; wear lead goggles.
- Ingestion: Internal radiation hazard; do not ingest; seek medical aid immediately.
- Chemical Hazards: Reacts slowly with air/moisture (oxidation); avoid strong oxidants, acids, and high temperatures.
- Radiation Hazards: β? radiation (max energy ~2.5 MeV); shield with plastic/lead sheets; minimize exposure time.
- Storage: Keep in shielded, airtight containers under inert gas; store in designated radioactive material vaults.
- Disposal: Dispose as radioactive waste per national nuclear regulations; do not release to environment.
