Phenolphthalein Test Paper is highly sensitive to Ammonia Vapors, making it effective for identifying leaks in refrigerators or air conditioners. By detecting Ammonia levels in solution as low as 3-5ppm, a pinkish color change on the test strip indicates its presence. It is widely used in educational settings, research laboratories, and industries.

• The test strip changes to a pinkish color upon detection of Ammonia.
• Solution must be water-based.

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