Universal indicator paper Tritest L For determination of pH- value. Roll length 5 m, 14 mm width. With 3 colour zones and 2 hydrophobic zones. The zones are separated by a hydrophobic barrier, which effectively prevents mixing of the reaction colours and increases mechanical stability. Plastic container with 1 roll of indicator paper and colour scale.
Product Specification: Range : 1 - 11 pH Description: Refill packs with 3 rolls