Description
Specifications Table
Product Name – BROMIDE IC STANDARD (Br- Bromides 1000 mg/L in H2O) – traceable to NIST
Quantity/Pack Size – 100 ml
Form – Liquid (Aqueous Solution)
Grade – Analytical Standard, NIST-Traceable
Application – Ion Chromatography (IC) Calibration, Bromide Analysis
Product Overview
The Bromide IC Standard (1000 mg/L in H2O) is a high-precision, NIST-traceable solution designed for ion chromatography (IC) applications where accuracy and reproducibility are critical. Formulated with ultra-pure bromide ions dissolved in deionized water, this standard eliminates matrix interferences, ensuring reliable calibration curves and quantitative analysis. The 1000 mg/L concentration provides an optimal balance for both routine lab testing and high-sensitivity research, reducing dilution errors while maintaining linearity across detection ranges. Its NIST traceability guarantees compliance with international metrological standards, making it ideal for quality control, environmental monitoring, and industrial process validation. The aqueous formulation enhances stability, minimizing degradation over time when stored under recommended conditions. Compatible with most IC systems, this standard supports bromide quantification in diverse sample types, from water and soil extracts to pharmaceutical formulations. The absence of preservatives or additives ensures no spectral overlap or column contamination, preserving instrument longevity. Whether used for method development or daily calibration checks, this standard delivers consistent performance, reducing variability between batches and operators.
FAQs
1. What is the shelf life of this Bromide IC Standard when unopened?
The unopened Bromide IC Standard has a shelf life of 24 months from the date of manufacture when stored at room temperature (15–25°C) in its original packaging. Avoid exposure to direct sunlight or temperature fluctuations.
2. Can this standard be used with anion-exchange columns from different manufacturers?
Yes, this NIST-traceable bromide standard is compatible with anion-exchange columns from major IC system manufacturers, including Thermo Fisher, Metrohm, and Shimadzu, as it contains no proprietary additives that could interfere with column chemistry.
3. How should I handle potential contamination during aliquoting?
Use sterile, bromide-free pipette tips and containers to prevent cross-contamination. Work in a laminar flow hood if available, and avoid repeated puncturing of the septum to minimize atmospheric exposure and microbial ingress.
4. Is this standard suitable for bromide analysis in seawater samples?
While the standard itself is matrix-free, seawater samples require appropriate dilution (typically 1:10 or higher) to match the standard’s ionic strength and avoid column overloading. Matrix-matched standards may be needed for high-salinity samples.
5. What alternatives exist for lower concentration bromide standards?
For applications requiring lower concentrations, serial dilution of this 1000 mg/L standard using ultrapure water (18.2 MΩ·cm) is recommended. Pre-diluted standards (e.g., 100 mg/L or 10 mg/L) are also available for convenience.
