Universální indikátorový papírek pH 0-12/100 prouž Back Catalog number: LACH-107679 Availability: In the manufacturer's stock Price on request - + Recommended 9950141 Whatman indicator papers, pH 6.0-8.1, pk/200 (2629-990) Price on request 92190 pH-Fix Indicator Strips, 1.7-3.8, pk/100 Price on request 90753 Potassium iodate starch paper for Sulfur dioxide, 7mm x 5m Price on request