Description
Specifications Table
Product Name – BUFFER SOLUTION pH 4.0 (PHTHALATE)
Quantity/Pack Size – 500 ml, 1000 ml
Form – Liquid
Grade – Lab Grade
Application – pH meter calibration, analytical testing
Product Overview
This pH 4.0 phthalate buffer solution is a high-precision calibration standard designed for accurate pH measurements in laboratory settings. Formulated with potassium hydrogen phthalate, it provides a stable reference point at pH 4.0, ensuring reliable calibration of pH meters, electrodes, and other analytical instruments. The solution is prepared under stringent quality controls to meet lab-grade specifications, offering consistency and traceability to NIST standards. Its long shelf life and resistance to microbial contamination make it ideal for frequent use in research, quality control, and educational laboratories. The phthalate-based composition ensures minimal temperature coefficient variations, maintaining accuracy across a range of environmental conditions. Whether used for routine calibration or critical experiments, this buffer solution delivers dependable performance, reducing measurement errors and improving reproducibility in analytical workflows.
FAQs
1
What is the shelf life of this pH 4.0 phthalate buffer solution?
The solution remains stable for up to 24 months when stored unopened in its original container at room temperature, away from direct sunlight and moisture. 2
Is this buffer solution compatible with all types of pH electrodes?
Yes, it is designed for universal compatibility with glass electrodes, combination electrodes, and other standard pH probes used in laboratory and field applications. 3
Can this buffer be used for calibrating pH meters in non-aqueous solutions?
This solution is optimized for aqueous systems. For non-aqueous or mixed-solvent applications, specialized buffers or adjustments may be required to maintain accuracy. 4
How should I dispose of expired or unused pH 4.0 phthalate buffer solution?
Dispose of the solution in accordance with local chemical waste regulations. Neutralize if necessary before disposal, and avoid pouring it down drains or into water bodies. 5
Does this buffer solution require any preparation before use?
No preparation is needed. The solution is ready-to-use and should be gently inverted to mix before calibration to ensure homogeneity.
