
Buffer solutions (also known as pH buffers) are resistant to any pH changes from a strong base or acid presence. Buffer solutions allow for the pH to stay at a constant level due an equilibrium balance. These are used in several applications, such as blood in the human body as a buffer solution. You can learn more in our [buffer solution guide](/web/content/discovery/ideas-and-advice/buffer-solution-guide).

RS offers a comprehensive range of high-quality buffer solutions and [pH buffer solutions](https://uk.rs-online.com/web/c/test-measurement/environmental-test-measurement/buffer-solutions/?applied-dimensions=4293257883) to support accurate pH calibration and control in various applications. Our selection includes trusted brands such as [Hanna Instruments](https://uk.rs-online.com/web/c/test-measurement/environmental-test-measurement/buffer-solutions/?applied-dimensions=4294966137), known for their precision and reliability, and Burkert, a leader in process measurement solutions. These buffer solutions are available in a variety of pH values to suit your specific needs, ensuring consistent and dependable results in laboratory, industrial, and biological settings. In addition, RS also provides [pH Test Strips](https://uk.rs-online.com/web/c/test-measurement/environmental-test-measurement/ph-test-strips/) and [pH Meters](https://uk.rs-online.com/web/c/test-measurement/environmental-test-measurement/ph-meters/), offering a complete solution for monitoring and maintaining optimal pH levels. With fast delivery and exceptional service, RS is your trusted partner for pH measurement and control. 

### What are the types of Buffer Solutions?
- **Acid Buffer Solution** - this is used when the pH is less than seven and generally comprises a weak acid
- **Alkaline Buffer Solution** - this is used when the pH is over seven and comprises a weak base (Alkaline)

Buffer solutions offer a balanced pH but that doesn’t mean the buffer solutions have a neutral pH. They can balance the solution from external influences that can change the pH levels.

### What are the applications for Buffer Solutions?

Buffer solutions have several uses, with many chemical reactions needing a constant pH and include:

- Chemical Analysis
- Calibrating Equipment
- Fermentation
- Personal Hygiene products


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Hanna Instruments HI-7007/1L pH Buffer Solution 7.01

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Hanna Instruments HI7009L pH Buffer Solution 9.18

Hanna Instruments HI70004C pH Buffer Solution 4.01

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