Antibiotic interaction between tetradecyltrimethylammonium bromide (TTAB) with cetyltrimethylammonium bromide (CTAB) has been studied in solution and within the attendance of salts at several temperatures (298.15, 303.15, 308.15, 313.15 and 318.15 K). One critical micelle concent...
Open access
Research Article10.9734/ajocs/2020/v7i419028
Current work comprises of chemical investigation of flavonoids present in Pongamia pinnata (L) seed oil. Purification of flavonoids was established by using UV, FTIR, MS and NMR spectroscopic analysis. Three isolated flavonoids were identified as, namely, Kanjone, Pongapin and La...
Open access
Research Article10.9734/ajocs/2020/v7i419027
The objective of this research is to investigate number and types of bioactive compounds present in Aloe Vera buds grown in North East Punjab region of Pakistan by FTIR which is simple, nondestructive, cost effective and user friendly. Aloe vera was cultivated under normal atmosp...
Open access
Research Article10.9734/ajocs/2020/v7i419026
The adsorption behavior of sodium bisulfate on silica gel was studied. The adsorption isothem of sodium hydrogen sulfate on silica gel were measured in the temperature range of 298.15 ~ 328.15 K, and the Langmuir model and the Dubini-Radushkevich (D-R) model were used to fit the...
Open access
Research Article10.9734/ajocs/2020/v7i319024
A. Mohd Zulkhairi, M. Razali, M. B. Umikalsum, G. Mohd Norfaizal, A. Aimi Athirah & M. N. Siti Aisyah·Asian Journal of Chemical Sciences·2020
Aims: To determine the oxalate contents in different varieties of taro (Colocasia esculenta) collected in Peninsular Malaysia. Study Design: Ultra High-Performance Liquid Chromatography (UHPLC) with UV detector (Diode Array Detection, (DAD)) was used to determine the total and so...
Open access
Research Article10.9734/ajocs/2020/v7i319023
Aims and Objectives: To determine the effect of extracting solvents on the physicochemical properties of oils extracted from four locally available plant seeds in Nigeria namely: Alchornea cordiforlia, Hura crepitans, Irvingia gabonensis and Pycnanthus angollensis using three dif...
Open access
Research Article10.9734/ajocs/2020/v7i319022
Bio-phenol formaldehyde (BPF) resole resins were characterized by liquid-state 13C Nuclear Magnetic Resonance (NMR) spectroscopy. The liquid 13C NMR analysis indicated that the condensation reactions between the bark phenolic compounds and the formaldehyde occurred during the syn...
Open access
Research Article10.9734/ajocs/2020/v7i319021
The aim of this study was to determine the levels of some trace metals in water from Cross River estuary (CRE) and estimate the human health risk associated with water from the estuary via ingestion pathway and dermal contact. The trace metals in water were determined using atomi...
Open access
Research Article10.9734/ajocs/2020/v7i319020
Schiff base was prepared by the condensation of 3-aminophenol and benzaldehyde in a 1:1 ratio and its complexes of Mn(II), Co(II) and Cu(II) were synthesized in a 1:2 ratio (Metal: Ligand) and the Schiff base and the complexes were characterized by using the different techniques....
Open access
Research Article10.9734/ajocs/2020/v7i219019
New complexes of Cu (II) and Ni (II) of the Schiff Base, 2-(((2-((4-hydroxybenzylidene) amino)ethyl)imino)methyl) phenol were synthesized and characterized by analytical and physico-chemical techniques including magnetic susceptibility, conductivity measurements, electronic and...
Open access
Research Article10.9734/ajocs/2020/v7i219018