We offer buffer solutions at 3 standard pH values (4, 7, and 10). Our buffers have been calibrated to 3 significant figures using NIST-traceable materials.
Solutions have a shelf-life of 6 months. Lifetime may be extended by storing in a refrigerator. Solutions should be allowed to warm to room temperature before use.
We will also carry buffers for controlling water hardness, and pH probe refill / storage solutions.
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