Description
HUAREW High quality pH 1-14 paper test Paper Dimension:54x9 mm / 2.12x0.35 inch (L*W) pH paper test strips range 1-14 .1-3 indicates strong acidic, 4-6 indicates weak acidity, 7 indicates neutral, 8-11 indicates weak alkalinity, 12-14 indicates strong alkalinity. Test the properties of the gas: wet the test paper with distilled water first, stick it to one end of the glass rod, use the glass rod to put the test paper close to the gas, observe the color change, and compare the color with the color chart. Test the properties of the solution: take a small piece of test paper and place it on a watch glass or glass slide, and use a glass rod or plastic dropper with the test liquid to point it on the middle of the test paper, observe the color change, and compare the color with the color chart. Friendly Reminder: The test paper should be stored in a dark, dry, and cool environment. Package Contents: 80 test strips *6 Pack Standard color card *6 Pcs