Highlights:

– NIST pH buffer solution with certificate as reference material
– For calibration and fine-tuning of pH meters, measuring devices, and electrodes
– pH value (at 25 °C): 4.01 with ± 0.02 deviation
– Shelf life before opening: 36 months | Stability after opening: 3 months
– Traceability: Linked to an international system
– Usage: Ready-to-use solution
– Packaging: 125 ml bottle with reference material certificate

Description:

The NIST pH buffer solution with certificate serves as a reference material for precise calibration and fine-tuning of pH meters and electrodes. With a guaranteed pH value of 4.01 at 25 °C and a minimal deviation of ± 0.02, this solution is ideal for demanding applications.

It is a ready-to-use solution requiring no additional preparation. Its traceability to an international system ensures high measurement reliability.

The buffer solution is supplied in a 125 ml bottle and includes a reference material certificate. It has a shelf life of 36 months before opening and remains stable for 3 months after opening.