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Introduction Trimesic Acid is an important aromatic carboxylic acid with versatile industrial value. Its unique molecular structure of three carboxyl […]

What is phenolphthalein？ Phenolphthalein is a small, white or slightly yellow crystalline powder. The chemical formula of phenolphthalein is C20H14O4,

Insect repellents play a crucial role in protecting human health and maintaining productivity, especially for some people who often work