Description
Specifications Table
Product Name – Buffer solution, pH 4.00 (±0.01 @ 25°C), Colored Red, Specpure®, NIST Traceable
Quantity/Pack Size – 500ml, 1L, 4L, 20L
Form – Liquid
Grade – Specpure®, NIST Traceable
Application – pH meter calibration, analytical testing
Product Overview
This pH 4.00 buffer solution is a high-precision, NIST-traceable reference standard designed for accurate pH meter calibration. The solution is colored red for quick visual identification, reducing the risk of errors during laboratory procedures. With a tightly controlled pH tolerance of ±0.01 at 25°C, it ensures reliable and consistent performance in critical applications. The Specpure® grade guarantees minimal impurities, making it suitable for sensitive analytical testing where precision is paramount. The solution is stable under standard laboratory conditions, providing long-term accuracy without degradation. Whether used in routine calibration or specialized research, this buffer solution delivers dependable results, supporting the integrity of experimental data. Its compatibility with most pH electrodes and meters further enhances its versatility, making it a staple in laboratories requiring exact pH measurements.
FAQs
1. What is the shelf life of this pH 4.00 buffer solution?
The shelf life is typically 24 months from the date of manufacture when stored unopened at room temperature. Always check the label for the exact expiration date.
2. Can this buffer solution be used for calibrating all types of pH meters?
Yes, this solution is compatible with most standard pH meters and electrodes, provided they are designed for aqueous solutions.
3. Is this buffer solution suitable for high-temperature applications?
The pH value is specified at 25°C. For high-temperature use, the actual pH may vary slightly, so temperature compensation should be applied if necessary.
4. How should this buffer solution be stored to maintain accuracy?
Store the solution in a tightly sealed container at room temperature, away from direct sunlight and moisture to prevent contamination or evaporation.
5. Are there alternatives available for different pH calibration points?
Yes, buffer solutions are available for various pH points, such as pH 7.00 or pH 10.00, depending on your calibration requirements.
