Exam questionKROK 2Pharmacy ยท 2014
A pharmaceutical analyst performs the identification of phthalylsulphathiazole (phthalazol). In compliance with the SPhU requirements, the substance is to be heated with resorcinol in the presence of sulfuric acid. The subsequent addition of sodium hydroxide and water results in:
Answer options
- Extensive yellow precipitate
- Abundant white precipitate
- Intensive blue color
- Intensive green fluorescence
- Red-violet color
Correct answer
Intensive green fluorescence
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