Buffer Standard Solution | 250ml | pH 4.0 at 20°C | Traceable to NIST

Buffer Standard Solution | 250ml | pH 4.0 at 20°C | Traceable to NIST

Marsoni

M251S

$10.72

Get it in 3 business days with 1 day shipping. Friday, May 29

Buffer Standard Solution | 250ml | pH 4.0 at 20°C | Traceable to NISTBuffer standard solution with a precise pH of 4. 0 at 20C, ideal for calibrating pH meters and sensors. Traceable to NIST standards ensures accurate and reliable calibration for scientific and industrial applications. Liquid form for easy handling and accurate measurement, suitable for laboratory or field use. Stable and consistent formulation designed to maintain pH accuracy under varying conditions. Ideal for educational, laboratory, and industrial

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Easy to put together, took about 10 minutes by myself. I laid it on the ground folded (make sure the same direction for the brackets match). The only issue I had was one screw would simply not go into one side of the connectors. Using it as a background for my home office, so it won’t be moved often, so not super concerned, not enough to take the rest of it apart to see if I could fix the issue. Looks great, creates the privacy I needed for meetings.

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Reviewed in the United States on February 25, 2026