Strontium-88 (⁸⁸Sr) Suppliers in China - High-Purity Isotope from Reliable Factory
Nuclear Physics Properties
⁸⁸Sr has special neutron capture properties:
- The thermal neutron capture cross section is extremely low (0.058 barn)
- It is an ideal strontium isotope carrier material in nuclear reactors
- It is used as a reference standard for accelerator mass spectrometry (AMS) to measure other strontium isotopes
Quantum Technology Applications
Ion trap quantum computing:
- ⁸⁸Sr⁺ optical clock transition (674 nm) line width <1 Hz
- It is used to build optical quantum logic gates
Precision measurement:
- ⁸⁸Sr lattice clock system uncertainty reaches 2×10⁻¹⁸
- It is used for gravitational wave detection and relativity testing
Industrial and Scientific Research Applications
- Radioactive waste treatment: As a stable strontium carrier to separate ⁸⁹Sr/⁹⁰Sr
- Isotope dilution analysis: Standard material for geological dating (Rb-Sr method)
- Electronic materials: High-purity ⁸⁸Sr(NO₃)₂ is used to prepare SrTiO₃ dielectric films
Material Properties
- Thermal stability: Decomposition temperature is higher than that of conventional nitrates (>500℃)
- Optical properties: UV cutoff wavelength 300 nm
- Chemical activity: Forms insoluble precipitates with oxalates (SrC₂O₄·H₂O)
Isotope Enrichment Technology
Main methods for preparing high-purity ⁸⁸Sr(NO₃)₂:
- 1 Electromagnetic separation method: separation of strontium metal ion sources (purity>99.99%)
- 2 Chemical exchange method: crown ether/strontium complex isotope fractionation
- 3 Laser enrichment: Utilizing the unique electronic transition of ⁸⁸Sr (460.7 nm)
Safety and Operation
⁸⁸Sr(NO₃)₂ is a low-toxic compound (LD₅₀>5000 mg/kg), but it must be avoided from contact with reducing agents (may cause explosive decomposition). Store in a dry environment to prevent moisture absorption and agglomeration.
Conclusion
As a typical representative of stable strontium isotopes, high-purity strontium nitrate-88 has key application value in quantum technology, nuclear energy safety and materials science. Its excellent nuclear purity and chemical stability make it an important bridge material for the transformation of basic research into engineering technology.
Frequently Asked Questions (FAQ)
Q
What makes strontium-88 (⁸⁸Sr) suitable for nuclear reactor applications?
⁸⁸Sr has an extremely low thermal neutron capture cross section (0.058 barn), making it an ideal strontium isotope carrier material for nuclear reactors.
Q
How is ⁸⁸Sr utilized in quantum computing and precision measurement?
In ion trap quantum computing, its optical clock transition line width is less than 1 Hz, which is used to build optical quantum logic gates. In precision measurement, the ⁸⁸Sr lattice clock system reaches an uncertainty of 2×10⁻¹⁸, assisting in gravitational wave detection and relativity testing.
Q
What are the industrial uses of high-purity ⁸⁸Sr(NO₃)₂?
High-purity ⁸⁸Sr(NO₃)₂ is used to prepare SrTiO₃ dielectric films for electronic materials, acts as a stable carrier to separate ⁸⁹Sr/⁹⁰Sr in radioactive waste treatment, and serves as a standard material for geological dating.
Q
What are the key material properties of ⁸⁸Sr(NO₃)₂?
It features high thermal stability with a decomposition temperature above 500℃, a UV cutoff wavelength of 300 nm, and active chemical properties that form insoluble precipitates with oxalates.
Q
How is high-purity ⁸⁸Sr(NO₃)₂ prepared?
It is primarily prepared via three methods: electromagnetic separation (achieving purity >99.99%), chemical exchange method using crown ether/strontium complex fractionation, and laser enrichment utilizing its unique 460.7 nm electronic transition.
Q
What are the safety guidelines for handling ⁸⁸Sr(NO₃)₂?
While it is a low-toxic compound (LD₅₀>5000 mg/kg), contact with reducing agents must be avoided to prevent explosive decomposition. It should be stored in a dry environment to prevent moisture absorption and agglomeration.