Description
Specifications Table
Product Name – Disodium hydrogen phosphate/sodium hydroxide, pH 12 AVS TITRINORM® buffers at 20 °C
Quantity/Pack Size – 1 L
Form – Liquid
Grade – Analytical Reagent (AR)
Application – pH meter calibration, titration, buffer preparation
Product Overview
This Disodium hydrogen phosphate/sodium hydroxide pH 12 buffer solution is formulated under the AVS TITRINORM® standard, ensuring exceptional accuracy and reliability for laboratory applications. Designed to maintain a stable pH of 12 at 20°C, it is ideal for calibrating pH meters, electrodes, and other analytical instruments where precision is critical. The solution is prepared using high-purity disodium hydrogen phosphate and sodium hydroxide, adhering to strict quality control measures to guarantee consistency and performance. Its ready-to-use liquid form eliminates the need for dilution or preparation, saving time and reducing potential errors in experimental setups. The analytical reagent (AR) grade ensures minimal impurities, making it suitable for sensitive applications where contamination could compromise results. Whether used in routine laboratory procedures or specialized research, this buffer solution provides a dependable reference point for accurate pH measurements, supporting reproducible and trustworthy data.
FAQs
1. What is the shelf life of this pH 12 buffer solution?
The solution typically has a shelf life of 12-24 months when stored unopened in its original packaging at room temperature. Always check the label for the exact expiry date.
2. Can this buffer be used for calibrating all types of pH meters?
Yes, this pH 12 buffer is compatible with most standard pH meters and electrodes, provided they are designed to measure within the alkaline range.
3. Are there any precautions for handling this high-pH buffer?
Due to its alkaline nature, it is recommended to wear protective gloves and eyewear when handling. Avoid skin or eye contact, and work in a well-ventilated area.
4. How should this buffer solution be stored for long-term stability?
Store the solution in a tightly sealed container at room temperature, away from direct sunlight and moisture. Do not freeze or expose to extreme temperatures.
5. Is this buffer solution traceable to NIST or other standards?
The AVS TITRINORM® range is manufactured under strict quality protocols, ensuring traceability to international standards for accuracy and reliability.










