Description
Specifications Table
Product Name – Buffer solution, pH 6.86 (±0.01 @ 25°C), No Color, Specpure®, NIST Traceable
Quantity/Pack Size – 550 ML
Form – Liquid
Grade – Specpure®, NIST Traceable
Application – pH meter calibration, analytical testing
Product Overview
This pH 6.86 (±0.01 @ 25°C) buffer solution is a high-precision, NIST-traceable reference standard designed for accurate pH meter calibration. Formulated with Specpure® grade purity, it ensures reliable and consistent performance in laboratory settings. The solution is colorless, eliminating potential interference in optical measurements, and maintains stability under standard storage conditions. Its precise pH value of 6.86, certified with a tight tolerance of ±0.01 at 25°C, makes it ideal for applications requiring strict pH control. The buffer is prepared using ultra-pure reagents and deionized water, minimizing contaminants that could affect calibration accuracy. Each batch undergoes rigorous quality control to meet NIST traceability standards, providing confidence in measurement reproducibility. The 550 ML pack size offers sufficient volume for repeated use while maintaining freshness. This buffer solution is an essential tool for laboratories demanding high accuracy in pH measurements, ensuring compliance with international standards for analytical testing and quality assurance protocols.
FAQs
1. What is the shelf life of this pH 6.86 buffer solution?
The shelf life is typically 12 months from the date of manufacture when stored unopened at room temperature. Always check the label for the exact expiration date.
2. Is this buffer solution compatible with all pH meters?
Yes, this NIST-traceable buffer is designed to work with most standard pH meters. However, always verify your meter’s specifications for any specific requirements.
3. Can this solution be used for calibrating pH electrodes in non-aqueous systems?
This buffer is optimized for aqueous systems. For non-aqueous applications, specialized buffers may be required to ensure accurate calibration.
4. How should this buffer solution be stored to maintain accuracy?
Store the solution in its original tightly sealed container at room temperature (15-25°C), away from direct sunlight and moisture to preserve its stability.
5. What alternatives are available if I need a different pH value?
Alternative NIST-traceable buffers are available in pH 4.00, 7.00, and 9.18 values for comprehensive calibration across different ranges.
