Description:
Phthalic acid is an aromatic dicarboxylic acid with the chemical formula C₆H₄(CO₂H)₂. Its structure consists of a benzene ring bearing two carboxylic acid groups (-COOH) in the ortho position (on adjacent carbon atoms). Phthalic acid is typically synthesized through the oxidation of naphthalene or o-xylene.
Key Uses:
- Phthalic anhydride: A precursor for plasticizers used in PVC production.
- Alkyd resins: Essential for manufacturing paints and coatings.
- Dyes and pigments: Derivatives of phthalic acid are commonly used in dye production.
Phthalic acid can be efficiently retained, separated, and analyzed using the Zodiac HST B mixed-mode stationary phase column. The gradient method utilizes a mobile phase composed of water, acetonitrile (MeCN), and phosphoric acid as a buffer. Detection is performed at UV 200 nm, ensuring precise and reproducible results.
Condition
Column Name : Zodiac HST B
Compound Name : Phthalic Acid
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