Phenolphthalein Test Paper

This test paper is sensitive to ammonia vapors, and is used to detect ammonia leaks.
In stock Ready To Ship
or 4 interest-free payments of $1.74
Learn more

Why Shop With Us?

Top Customer Service

Teacher Owned & Operated

Customer Loyalty Program

Showcased Product

COVID-19 Keyring

COVID-19 Keyring
Help young children understand and learn about Coronavirus in a calm, non-threatening plush way with this cute keyring.

Phenolphthalein test paper is sensitive to Ammonia Vapors, and thus is used to detect Ammonia leaks, for example, in refrigerators or air conditioners.

Phenolphthalein detects Ammonia in solution from 3 5ppm.


  1. Remove a Phenolphthalein test paper from the vial, being careful not to touch the strip anywhere other than where you grasp it with your fingertips.
  2. Hold the paper strip near the potential leak.
  3. The test strip will turn a pinkish color if Ammonia is detected.

What you get

1 vial containing 100 strips of Phenolphthalein Test Paper

More Information
Length (cm) 2
Width (cm) 2
Height (cm) 7
Age Group 12+ Years
Write Your Own Review
You're reviewing:Phenolphthalein Test Paper
Your Rating
Best Sellers