A chemical reagent used in testing for pH. Has effective range of 6.8 to 8.4.
An indicator reagent used with your test kit to determine the pH of pool water.
The indicator solution which measures pH.
A common pH test that uses colour change as an indicator.
A chemical reagent dye used to test for pH. It can measure pH from 6.8 to 8.4.
a liquid reagent used to measure pH. Most accurate in a range of 6.8 to 8.2.
phenolsulfonphthalein, C19H14O5S, an acid-base indicator that changes from yellow to red as the pH passes through 8
A common pH test that uses color change as a indicator.
the indicator solution that measures pH.
A dye that is sensitive to pH differences. Turns yellow at acid pH, red-violet at high pH and orange at neutral pH.
Phenol red (also known as phenolsulfonphthalein or PSP) is a p H indicator that is frequently used in cell biology laboratories.