Series of indicator papers having the indicator dye and color scale conveniently combined and fixed onto a single paper strip; even buffered or weakly buffered solutions can be measured Important to use when testing color solutions The pH indicator and color scale are wetted simultaneously,…

Two different indicator zones on one strip separated by a white center division guarantee clear color graduation and reliable pH values Center zone acts as barrier, preventing diffusion of dyes, insuring greater accuracy Packaged in a unique plastic dispenser complete with color scales…