Whatman Indicator Integral Comparison Strip, 8.0 to 9.7 pH (Pack of 200)

• pH Indicator
• Integral comparison strip
• 8.0 to 9.7 range
• 11 x 100mm
• Color-coded comparison chart, printed on the dispenser, gives improved speed and accuracy in reading

Product Description The unique combination of colour change resulting from each test is compared with the colour-coded comparison chart, printed on the dispenser, giving improved speed and accuracy in reading. pH Indicator. Integral comparison strip. 8.0 to 9.7 range. 11 x 100mm. 200 Strips/Pack. Whatman #: 2629-990. Directions 1. Remove the strip from the dispenser. 2. Dip the strip into the liquid to be tested for 1 second. 3. Remove the strip and compare the color change with the color-coded comparison chart on the dispenser. 4. Interpret the pH level based on the color match. 5. Dispose of the strip after use.