Reagecon pH 4.00 Buffer Solution at 38°C - 1l
https://www.optotek.net/shop/fm-07-104038-reagecon-ph-4-00-buffer-solution-at-38degc-1l-670889
https://www.optotek.net/web/image/product.template/670889/image_1920?unique=9571e12
Accurate and reliable pH 4.00 buffer solution calibrated at 38°C for precise pH meter calibration. Ideal for laboratory, industrial, and educational applications. Supplied in a convenient 1-liter bottle.
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