Helpful in identifying the degree of alkalinity or acidity of a product, or identification of an unknown stain, this pH indicator helps cut down on your investigative work. This paper is well worth its low price!
This product consists of two rolls of pH papers. One color chart covers the even (Type A) pH range 2-4-6-8-10. The other chart covers the odd (Type B) pH range 1-3-5-7-9-11. This dispenser contains 30 feet of pH paper which enables you to make over 200 tests.
Simply immerse piece of pH paper in solution to be tested. Remove and compare with specimen colors on dispenser to determine corresponding pH.This pH Indicator Paper shows sharp color changes that follow natural spectral changes (red - orange - yellow - green - blue - indigo - purple).
|Brand||Provided by Jon-Don|