Description
Specifications Table
Product Name – Buffer solution pH 4, Phthalate buffer, traceable to NIST, ready to use Quantity/Pack Size – 1LT, 500ML Form – Liquid Grade – NIST-traceable Application – pH meter calibration, analytical testing
Product Overview
This phthalate buffer solution (pH 4) is a NIST-traceable, ready-to-use liquid designed for precise pH calibration in laboratory settings. Formulated with high-purity reagents, it ensures stability and accuracy for critical measurements. The buffer adheres to strict quality standards, providing consistent performance across various analytical applications. Its liquid form eliminates the need for preparation, saving time while maintaining reliability. Ideal for routine calibration of pH meters, electrodes, and other analytical instruments, this buffer minimizes variability and enhances reproducibility. The NIST traceability guarantees compliance with international metrology standards, making it a trusted choice for research, quality control, and educational laboratories. Store at room temperature in a tightly sealed container to preserve integrity.
FAQs
1. Is this phthalate buffer compatible with glass pH electrodes?
Yes, it is fully compatible with standard glass pH electrodes and ensures accurate calibration without residue or contamination.
2. How long can the buffer solution be stored after opening?
Once opened, use within 3 months for optimal accuracy. Store in a cool, dry place with the cap tightly closed.
3. Can this buffer replace potassium hydrogen phthalate for calibration?
Yes, this ready-to-use solution is equivalent to potassium hydrogen phthalate buffers and meets the same calibration standards.
4. Does the buffer require dilution before use?
No, it is pre-mixed and ready for direct use without any dilution or preparation steps.
5. What is the shelf life of an unopened bottle?
Unopened bottles have a shelf life of 24 months from the date of manufacture when stored under recommended conditions.
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