𝔖 Bobbio Scriptorium
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Para‐Aminosalicylic Acid and Sodium Para‐Aminosalicylate: Potentiometric Titrations in a Nonaqueous Medium*

✍ Scribed by Butler, Albert Q. ;Ramsey, James C.


Publisher
Elsevier
Year
1953
Weight
175 KB
Volume
42
Category
Article
ISSN
0095-9553

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Identity of a major chromogen in p-Amino
✍ I. K. Shih 📂 Article 📅 1971 🏛 John Wiley and Sons 🌐 English ⚖ 255 KB

A major chromogen found in p-aminosalicylic acid and sodium p-aminosalicylate dosage forms was identified to be 3,3'-dihydroxyazoxybenzene. This compound could he produced by oxidation or sunlight irradiation of m-aminophenol, a common impurity of paminosalicylic acid and sodium p-aminosalicylate. M