Description
Specifications Table
Product Name – Sulfur, AAS standard solution, Specpure®, S 1000µg/ml
Quantity/Pack Size – 100ml, 500ml
Form – Liquid (aqueous solution)
Grade – Specpure® (ultra-high purity, AAS-grade)
Application – Atomic absorption spectroscopy (AAS), trace elemental analysis, calibration standards
Product Overview
The Specpure® sulfur AAS standard solution (1000µg/ml) is a high-precision reference material designed for atomic absorption spectroscopy (AAS) and other trace elemental analysis techniques. Formulated with ultra-high purity sulfur in a stabilized aqueous matrix, this standard solution ensures exceptional accuracy and reproducibility in quantitative measurements. The Specpure® grade guarantees minimal interference from contaminants, making it ideal for calibration curves, method validation, and quality control in analytical laboratories. Each batch undergoes rigorous testing to confirm concentration consistency and long-term stability, with traceability to NIST or equivalent primary standards. The solution is packaged in high-density polyethylene (HDPE) bottles to prevent leaching or external contamination, preserving integrity during storage and handling. Its 1000µg/ml concentration provides flexibility for serial dilutions, accommodating a wide range of analytical sensitivities without compromising precision. Whether used in environmental testing, industrial process monitoring, or research applications, this AAS standard delivers reliable performance for sulfur quantification, eliminating matrix effects that can skew results in complex samples. The aqueous formulation ensures compatibility with most AAS instrumentation, reducing the need for additional sample preparation steps. For laboratories prioritizing data accuracy and operational efficiency, this Specpure® sulfur standard is an indispensable tool for achieving ISO/IEC 17025 compliance and other regulatory benchmarks.
FAQs
1. What is the shelf life of this Specpure® sulfur AAS standard solution when stored unopened?
The unopened solution remains stable for 24 months from the date of manufacture when stored at 15–25°C in its original packaging, protected from direct sunlight and moisture.
2. Can this standard be used with ICP-OES or ICP-MS instead of AAS?
While optimized for AAS, the high purity of this Specpure® solution makes it compatible with ICP-OES and ICP-MS, though matrix effects should be evaluated for your specific instrument and sample type.
3. What diluent is recommended for preparing lower-concentration standards from this 1000µg/ml solution?
Use ultra-pure deionized water (18.2 MΩ·cm) with ≤1 ppb total impurities, or a 1% v/v nitric acid matrix if acidification is required for stability in diluted standards.
4. How does the Specpure® grade differ from reagent-grade sulfur standards?
Specpure® standards undergo additional purification steps to eliminate metallic and anionic contaminants, ensuring ≤0.0001% total impurities, whereas reagent-grade may contain up to 0.01% residual impurities affecting sensitivity.
5. Is this solution certified with a Certificate of Analysis (CoA)?
Yes, each batch includes a CoA detailing the exact concentration, uncertainty values, traceability to primary standards, and lot-specific stability data for regulatory compliance.
