Investigating matrix interference in the pharmacopeial limit test for aluminum in citric acid: a re-examination, for revision of the method

• Main Authors: Theerasak Rojanarata (Author), Kittithat Maithongdee (Author), Nattapong Yuwansri (Author), Sirada Kaewprasert (Author), Thana Thanayutsiri (Author), Noppharat Phadungcharoen (Author), Akhayachatra Chinsriwongkul (Author)
• Format: Book
• Published: Pensoft Publishers, 2022-01-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

In many pharmacopoeias, the limit test used for determining the level of aluminum in citric acid labeled for use in the manufacture of dialysate, is based on solvent extraction using 8-hydroxyquinoline and measurement of fluorescence. However, the fluorescence intensity (F.I.) readout from the extra...