Paper microfluidic device and spectrophotometry methods for colorimetric detection of phenylephrine hydrochloride in pure and pharmaceutical preparations

JO Abdulsattar, H Hadi - Bulletin of the Chemical Society of Ethiopia, 2022 - ajol.info
Two easy-to-use, rapid, and inexpensive colorimetric-based assays for the detection of
active constituent in nasal decongestant phenylephrine hydrochloride (PHP), in solution and …

[PDF][PDF] Iron (II) determination in lipstick samples using spectrophotometric and microfluidic paper-based analytical device (µPADs) platform via complexation reaction …

EA Abdulkareem, JO Abdulsattar… - Baghdad Science …, 2022 - iasj.net
This study was undertaken to introduce a fast, accurate, selective, simple and environment-
friendly colorimetric method to determine iron (II) concentration in different lipstick brands …

Spectrophotometric Determination of Methyldopa and Levodopa by Oxidative Coupling Reactions using the synthesis reagent (2-amino-5-(para-aminophenyl)-1, 3, 4 …

DE Al-Rashidi, MS Al-Enizzi… - Journal of Chemical …, 2024 - search.ebscohost.com
Based on oxidative coupling reactions utilizing the synthesized organic reagent 2-amino-5-
(paraaminophenyl)-1, 3, 4-thiadiazole in acidic media, and with potassium dichromate as an …

[PDF][PDF] Spectrophotometric determination of methyldopa by oxidative coupling reactions using 2, 4-dinitrophenylhydrazine reagent

DNA AL-ghanam, MSS AL-Enizzi - Tikrit Journal of Pure Science, 2022 - iasj.net
ABSTRACT A spectrophotometric method was developed for the determination of
methyldopa. The method is based on oxidative coupling reactions with 4, 2 …

[PDF][PDF] Determination of Nickel and Cobalt in Cosmetic Products Marketed in Iraq Using Spectrophotometric and Microfluidic Paper-based Analytical Device (µPADs) …

EA Abdulkareem, JO Abdulsattar - Baghdad Science Journal, 2022 - iasj.net
Two quantitative, environment-friendly and easily monitored assays for Ni (II) and Co (III)
ions analysis in different lipstick samples collected from 500-Iraqi dinars stores located in …

Development of a visible spectrophotometric method for the assay of methyldopa following oxidative coupling with N-(1-naphthyl) ethylenediamine dihydrochloride

OEA Thomas, AK Mustapha - Nigerian Journal of Pharmaceutical Research, 2015 - ajol.info
Background: Methyldopa is a centrally acting hypertensive drug that remains one of the
choice treatment options in the management of hypertension in pregnancy and during …

[PDF][PDF] 'Spectrophotometric determination of methyldopa by oxidative coupling reaction using N, N-dimethylpara phenylene diamine dihydrochloride in presence of …

IT Humeidy - Tikrit J. Sci, 2016 - researchgate.net
A rapid, sensitive and simple spectrophotometric method for the determination of
methyldopa (MDP) was developed. The method is based on an oxidative coupling reaction …