Description
Specifications Table
Product Name – Ammonium standard solution, 1000 mg/L NH4 in water Ion chromatography standard
Quantity/Pack Size – 100 ml
Form – Liquid
Grade – Analytical Standard
Application – Ion Chromatography
Product Overview
The Ammonium standard solution (1000 mg/L NH4 in water) is a high-precision analytical reference designed for ion chromatography applications. Formulated with ultra-pure water, this solution ensures minimal interference and maximum accuracy in quantitative analysis. The 1000 mg/L concentration provides an optimal balance for calibration curves, method validation, and routine testing in environmental, pharmaceutical, and industrial laboratories. Each batch undergoes rigorous quality control to guarantee consistency, with traceability to NIST or equivalent standards. The solution is packaged in amber glass bottles to prevent photodegradation, preserving stability throughout its shelf life. Its low matrix effect makes it ideal for complex sample analysis where ammonium ion quantification is critical. Compatible with most HPLC and IC systems, this standard eliminates the need for in-house preparation, reducing variability and saving time. The analytical-grade purity ensures reliable results even at low detection limits, making it a trusted choice for laboratories prioritizing precision and reproducibility.
FAQs
1. What is the shelf life of this ammonium standard solution?
The solution remains stable for 24 months from the date of manufacture when stored unopened at room temperature, away from direct sunlight and moisture. Once opened, use within 6 months for optimal accuracy.
2. Can this standard be used with anion-exchange chromatography?
Yes, this 1000 mg/L NH4 solution is compatible with both cation and anion-exchange chromatography systems, provided the column and mobile phase are optimized for ammonium ion separation.
3. Are there lower concentration alternatives available for trace analysis?
For trace-level applications, dilution of this standard is recommended using ultra-pure water or a suitable matrix-matching solvent to achieve the desired concentration while maintaining accuracy.
4. How should this solution be stored to maintain integrity?
Store the unopened bottle upright at 15–25°C in a dark, dry place. After opening, keep tightly sealed and avoid temperature fluctuations to prevent evaporation or contamination.
5. Is this standard traceable to international reference materials?
Yes, each batch is manufactured under ISO 17034 and traceable to NIST SRM or equivalent primary standards, with a certificate of analysis provided for documentation.
