Understanding pH - What it is and how to measure it.
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The pH scale can tell if a liquid is more acid or more base. The range of the pH scale is from 0 to 14 from very acidic to very basic.
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The pH scale can tell if a liquid is more acid or more base. The range of the pH scale is from 0 to 14 from very acidic to very basic.
Learn the secret behind making water seemingly turn into wine! This illusion involves the use of a pH indicator and the mystical power of a pH shift from neutral to basic, resulting in a crystal-clear elixir transmuting into a rich, ruby red potion before your very eyes! (You should NOT drink these chemicals.) NC-12832
Neutral litmus paper turns red in acids, blue in bases. Supplied in plastic container, about 100 paper strips per container. NC-0591
The red litmus will turn blue when it comes into contact with an alkaline solution above pH 8.3. Supplied in plastic snapcap container, about 100 paper strips per container. NC-0592
The blue litmus will turn red or pink when it comes into contact with an acidic solution below pH 4.5. Supplied in plastic container, about 100 paper strips per container. NC-0590
Vial contains 200 Hydrion Chlorine Test Papers, 2" x 1/4". Provides a simple and economical way to measure the concentration of free available chlorine in sanitizing solutions. NC-13283
Vial contains 100 test strips showing a range of 1-12 pH. A reading suitable for student or general use. NC-12412
A full range pH test paper in a single roll dispenser with color chart. NC-0692
Buy quantity and save! A full carton of ten full-range pH test papers in single roll dispensers with color chart. NC-0692-PK
A 5.5 to 8.0 range pH test paper in a single roll dispenser with color chart. NC-1235
Conveniently packed in a flip-top vial, these premium quality plastic strips offer clear, bright single color matches at every 1.0 interval from pH 0.0-14.0. NC-13684
This commercial quality pH paper from Macherey-Nagel contains 100 color-fixed, non-bleeding, indicator sticks. NC-0690