TY - GEN AU - Mohamed,Sabrein H AU - Issa,Yousry M AU - Elfeky,Shaimaa A TI - Extraction-free spectrophotometric assay of the antitussive drug pentoxyverine citrate using sulfonephthalein dyes SN - 1873-3557 PY - 2020///0106 KW - Antitussive Agents KW - analysis KW - Coloring Agents KW - chemistry KW - Cyclopentanes KW - Humans KW - Limit of Detection KW - Phenolsulfonphthalein KW - Solvents KW - Spectrophotometry KW - methods KW - Tablets N1 - Publication Type: Journal Article; Validation Study UR - https://doi.org/10.1016/j.saa.2019.117186 ER -