Camlab 1138826 DUOTEST pH 5.0-8.0 Strip, 5 m x 10 mm Reel

• Greater accuracy - two different indicator zones on one strip
• Better readability - white centre strip is hydrophobic, does not absorb liquids and hence acts as a contrast medium
• Higher mechanical strength - white centre retains same physical strength as in its dry state
• Dispenser is designed so that end of paper strip is always within reach. No need to open dispenser to retrieve end
• Dispenser design permits fast and easy insertion of readily available, economically priced replacement reels

Product Description Duo test Papers are indicator papers having two complementary indicator zones, separated by a white centre band. Directions To use, dip the strip into the liquid to be tested, ensuring both indicator zones are fully immersed. Remove the strip and compare the color changes on both zones to the color chart provided. The strip has two indicator zones for greater accuracy and better readability. The white centre strip is hydrophobic and does not absorb liquids, acting as a contrast medium. This product is intended for pH level testing.