Description
Specifications Table
Product Name – Gallium, plasma standard solution, Specpure®, Ga 10,000µg/ml
Quantity/Pack Size – 50ml, 100ml, 500ml
Form – Liquid (aqueous solution in 2% HNO₃)
Grade – Specpure® (ultra-high purity, traceable to NIST SRM)
Application – ICP-OES, ICP-MS, AAS calibration; semiconductor, environmental, and metallurgical analysis
Product Overview
This Specpure® gallium plasma standard solution delivers 10,000µg/ml (±0.5%) gallium in a 2% nitric acid matrix, engineered for uncompromised precision in trace metal analysis. The solution undergoes rigorous purification to eliminate cationic and anionic contaminants, ensuring minimal spectral interference during ICP-OES, ICP-MS, or atomic absorption spectroscopy (AAS) workflows. Its NIST-traceable certification guarantees lot-to-lot consistency, critical for GLP/GMP-compliant laboratories. The low-matrix formulation reduces background noise, while the acid-stabilized composition prevents gallium hydrolysis or precipitation over extended storage. Housed in HDPE bottles with tamper-evident seals, the solution resists leaching and contamination, preserving integrity for up to 24 months when stored at 15–25°C. Compatible with most autosamplers, its viscosity and surface tension are optimized for reproducible aspirator uptake. Unlike generic standards, Specpure® gallium undergoes inductively coupled plasma sector field mass spectrometry (ICP-SFMS) validation to confirm isotopic purity, making it ideal for semiconductor doping verification, environmental toxicology studies, or high-resolution metallurgical assays where parts-per-trillion (ppt) sensitivity is required.
FAQs
1. What is the shelf life of this gallium standard after opening?
The solution remains stable for 12 months after opening if stored at 15–25°C in its original bottle with the cap tightly sealed. Avoid repeated exposure to air to prevent oxidation or concentration changes due to evaporation.
2. Can this standard be diluted with deionized water for lower concentrations?
Dilution is possible, but use 2% HNO₃ (v/v) as the diluent instead of pure water to maintain matrix matching and prevent gallium hydrolysis. Recalibrate after dilution, as trace impurities in water may introduce errors.
3. Is this compatible with organic solvents like methanol or acetone?
No, the standard is aqueous-based and not miscible with organic solvents. Mixing may cause phase separation or gallium precipitation. For organic-compatible standards, consider gallium organometallics or standards in hydrochloric acid.
4. How does Specpure® differ from analytical-grade gallium standards?
Specpure® undergoes additional purification steps to remove metallic and non-metallic impurities below 10 ppb, verified via ICP-SFMS. Analytical-grade standards typically allow higher impurity levels (up to 100 ppb), which can interfere in ultra-trace analysis.
5. What certification documents are provided with this product?
Each bottle includes a Certificate of Analysis (CoA) with lot-specific data: exact concentration, expiry date, traceability to NIST SRM 3108a, and impurity profiles. A Safety Data Sheet (SDS) is also provided for handling guidelines.
