Description
Specifications Table
Product Name – Chloride, Ion chromatography standard solution, Specpure®, Cl|- 1000μg/ml
Quantity/Pack Size – 100ml, 500ml
Form – Liquid solution
Grade – Specpure® (ultra-high purity)
Application – Ion chromatography (IC) calibration, quantitative analysis
Product Overview
This Specpure® chloride standard solution (1000µg/ml) is meticulously formulated for ion chromatography (IC) applications, delivering unmatched accuracy and reproducibility in quantitative analysis. The ultra-high-purity grade ensures minimal interference from contaminants, making it ideal for trace-level chloride determination in environmental, pharmaceutical, and industrial samples. Each batch undergoes rigorous quality control to guarantee concentration stability and long-term reliability, eliminating variability in calibration curves. The solution is prepared in a matrix-compatible solvent, ensuring seamless integration with standard IC workflows without requiring additional dilution or pretreatment. Its traceability to NIST or equivalent reference materials further enhances data confidence, while the amber glass packaging protects against photodegradation, preserving integrity during storage. Whether used for routine QC checks or high-sensitivity research, this standard solution provides a consistent baseline for chloride quantification, reducing systematic errors and improving lab efficiency. The 100ml and 500ml pack sizes offer flexibility for low- to high-throughput laboratories, minimizing waste while ensuring adequate supply for repeated use.
FAQs
1. What is the shelf life of this chloride standard solution when stored properly?
The solution remains stable for 24 months from the date of manufacture when stored unopened at 15–25°C in its original amber glass bottle. Avoid exposure to direct sunlight or temperature fluctuations to prevent degradation. Once opened, use within 6 months for optimal accuracy, though stability may extend if handled under inert gas or with minimal air exposure. Always verify concentration via periodic checks if used beyond the recommended timeframe.
2. Can this standard be used with suppressed conductivity detection in IC?
Yes, the Specpure® chloride standard is fully compatible with suppressed conductivity detectors, as it is prepared in a low-background matrix that minimizes interference. The ultra-pure grade ensures no residual anions or cations affect suppression efficiency or baseline stability. For best results, match the eluent composition of your IC method to the standard’s solvent system to avoid retention time shifts or peak broadening.
3. Are there lower concentration alternatives available for trace chloride analysis?
While this product is optimized at 1000µg/ml for broad applicability, dilution with deionized water (18.2 MΩ·cm) or a compatible IC-grade diluent can achieve lower concentrations. For pre-diluted standards, consider serial dilution using volumetric glassware to prepare working solutions at 100µg/ml, 10µg/ml, or lower. Ensure the diluent’s pH and ionic strength align with your method to maintain calibration linearity.
4. How should I handle potential contamination during aliquoting or transfer?
Use dedicated, chloride-free pipette tips and glassware rinsed with IC-grade water to prevent cross-contamination. Work in a laminar flow hood or clean bench if ambient chloride levels (e.g., from dust or aerosols) are a concern. Avoid plastic containers unless certified for trace anion analysis, as leachables may introduce artifacts. For critical applications, perform blank checks with the diluent to confirm absence of chloride carryover.
5. Is this standard suitable for anion analysis in complex matrices like wastewater?
The solution is designed for universal IC compatibility, including complex matrices, but matrix effects (e.g., high TDS or organic load) may require sample pretreatment. For wastewater or high-salinity samples, use standard addition or matrix-matched calibration to compensate for suppression/enhancement effects. Filtration (0.22µm) or solid-phase extraction (SPE) may be needed to remove particulates or interfering anions prior to analysis.
