Merck Buffer Solution pH 4.00 is a premium, ready-to-use solution designed for accurate calibration in acidic environments. Formulated with citric acid, sodium hydroxide, and hydrogen chloride, this buffer is traceable to Standard Reference Material (SRM) from NIST and PTB pH 4.00 (20°C) Certipur®, ensuring unmatched precision and consistency.

Packaged in a 1-liter bottle, this high-quality buffer solution is ideal for laboratories that demand reliable pH control. It is widely used in biochemical assays, microbiological sample preparation, and pH meter calibration—making it an essential component in research, pharmaceutical, and quality control settings.

Key Features:

• Stable pH of 4.00 for precise calibration and repeatable results

• Certified traceability to NIST and PTB standards

• Convenient 1L bottle – ready to use without dilution

• Ideal for use in laboratories, research facilities, and QA/QC departments

• Ensures accurate results in sensitive acidic conditions

Manufactured under rigorous quality standards by Merck, this buffer solution delivers the consistency and accuracy needed for sensitive scientific applications. By using Merck Buffer Solution pH 4.00, laboratories can maintain optimal conditions and uphold the highest level of experimental integrity

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