pH paper Tritest L, pH 1 - 11, refill

Item No.9130361
Indicator paper Tritest L For determination of pH- value. Roll length 6M, 14mm 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. Refill packs Tritest L co
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