pH indicator papers supplied in rolls are better suited for longterm storage, since they are protected against external influences
MilliporeSigma # 1.09562.0003 replaces and is identical to MilliporeSigma # 9562-2.
MilliporeSigma # 1.09564.0003 replaces and is identical to MilliporeSigma # 9564-2.
pH indicator papers are manufactured by impregnating high-quality filter paper with indicator or mixed-indicator solutions. Therefore, the paper is dryed, cut and packed into the corresponding sizes.