Atomfair Strontium Iodide Powder (SrI₂), 99.9% Purity
Product Description
Atomfair strontium iodide (SrI₂) is supplied in powder form with 99.9% purity.
Technical Specifications
| PARAMETER DETAILS | |
|---|---|
| Product | Strontium Iodide Powder (SrI2) |
| Material | Strontium Iodide |
| Chemical Formula | SrI2 |
| CAS Number | 10476-86-5 |
| Purity | 99.9% |
| Physical State | Powder |
| EC / EINECS Number | 233-972-1 |
| Molar Mass | 341.43 g/mol (anhydrous) |
| Appearance | Colorless to white crystalline platelets |
| Density | 4.55 g/cm³ (anhydrous) |
| Melting Point | 507–645 °C |
| Boiling Point | 1773 °C (decomposes) |
| Water Solubility | 177.0 g/100 mL at 20 °C |
| Crystal Structure | Orthorhombic, oP24 |
| Moisture Sensitivity | Deliquescent |
Key Features and Advantages
- 99.9% purity.
APPLICATION SCOPE: scintillator-material and gamma-ray spectroscopy research, including Eu-doped SrI₂ systems
DOCUMENTATION: COA and SDS can be provided upon request for batch-specific confirmation.
TAILORED SOLUTIONS FOR RESEARCH
For product specifications and quotation support, contact the Atomfair team.
Strontium iodide powder is deliquescent and must be protected from atmospheric moisture to prevent dissolution. This document defines the moisture-related constraints relevant to storage and handling.
- Moisture Sensitivity: Exposure to atmospheric moisture must be minimized because the deliquescent powder can absorb water and undergo surface dissolution.
- Aqueous Compatibility: Aqueous process environments are not compatible unless dissolution or solution-phase use is intentional.
- Storage and Transfer: Keep the powder container sealed between uses to prevent humidity uptake during storage and handling.
How does the 99.9% purity of Atomfair SrI2 powder influence its suitability as a scintillator material for gamma-ray spectroscopy?
The 99.9% purity minimizes non-radiative recombination centers and impurity-induced afterglow, making it an excellent precursor for high-efficiency scintillator crystals. This purity level is critical for gamma-ray spectroscopy where signal-to-noise ratio directly impacts energy resolution. The material is specifically intended for scintillator and gamma-ray spectroscopy research, including Eu-doped SrI2 systems.
What precautions are required when handling and storing deliquescent SrI2 powder for scintillator crystal growth?
SrI2 is deliquescent, meaning it rapidly absorbs moisture from air, which can lead to hydration and degradation of the powder. It must be stored in an airtight container under an inert atmosphere (e.g., argon glovebox) to prevent moisture uptake. For crystal growth, the powder should be dried thoroughly before use to avoid introducing water that can cause defects or hydrolysis during melting.
What is the significance of SrI2's orthorhombic crystal structure and wide melting point range for scintillator development?
The orthorhombic crystal structure (oP24) is important for scintillation properties, affecting light yield and decay time. The wide melting point range (507–645°C) indicates possible polymorphism or impurities, requiring careful thermal management during crystal growth to obtain high-quality single crystals. The high boiling point (1773°C, decomposition) allows for melt growth methods like Bridgman but necessitates controlled atmospheres to prevent decomposition.
Atomfair Strontium Iodide Powder (SrI₂, 99.9% purity) is a high-purity precursor for scintillator and gamma-ray spectroscopy research, but its deliquescent nature and thermal decomposition require careful handling and inert storage conditions.
Positive
- High-Purity Scintillator Precursor: 99.9% purity supports consistent performance in Eu-doped SrI₂ scintillator crystals for gamma-ray spectroscopy research.
- Multiple Package Sizes Available: Available in 100g, 250g, and 500g packages, enabling flexible scaling from small R&D batches to larger experimental runs.
Trade-offs
- Deliquescent Moisture Sensitivity: The powder is deliquescent and must be stored under dry, inert atmosphere to prevent hydration and quality degradation.
- Thermal Decomposition at High Temperature: SrI₂ decomposes at its boiling point (1773°C), limiting high-temperature processing without protective atmosphere or controlled conditions.
Every advanced material, component, equipment, and instrument in our catalog is backed by rigorous testing. We maintain strict internal quality management frameworks and align with CE conformity metrics to deliver transparent, reproducible performance data via our public open-science repository.
To request raw batch performance data, submit formal vendor registration paperwork, or execute a fast-turnaround R&D manufacturing loop, contact us at inquiry@atomfair.com.
Item is dispatched under the Atomfair Shipping & Delivery Framework (Free worldwide shipping on orders over $59 USD excl. heavy equipment). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).
