TRI-BOX pH 0.5 - 13.0. Containing one reel each of special indicator paper pH 0.5-5.5, pH 5.5-9.0, pH 9.0-13.0, reel of 5m length, 7mm width. Macherey-Nagel
TRI-BOX pH 0.5 - 13.0. Containing one reel each of special indicator paper pH 0.5-5.5, pH 5.5-9.0, pH 9.0-13.0, reel of 5m length, 7mm width. Macherey-Nagel