physical chemistry

Physico-Chemical variation in the water quality of Vastrapur lake Located in Ahmedabad

The objective of this work is to evaluate the quality of Vastrapur lake water. Regional and seasonal variation of some physicochemical parameters such as (pH, Turbidity, Electrical conductivity, Total dissolve solid, and some of the chemical parameter such as Alkalinity, Dissolve oxygen, Biological oxygen demand, Total Hardness, Calcium, Magnesium, Chloride, Carbon dioxide, Sulphate, Nitrate and Phosphate. The study was carried out from March 2018 to February 2019.

Effect Of Fermentation Time On The Physicochemical Properties Of Palm Oil

This study evaluated the effect of fermentation time on the physicochemical characteristics of palm oil. The palm fruits samples used were divided into two with each group being divided into four portions. One group was boiled during processing while the other group was not boiled. The two groups were evaluated and processed in batches separately, for three days, six days, twelve days and fourteen days of fermentation using traditional method of processing.


The oxidative behaviour of pyridoxine hydrochloride was studied at a glassy carbon electrode in 0.06 M Na2HPO4 – NaH2PO4 buffer using cyclic voltammetry (CV), differential pulse voltammetry (DPV) and square wave voltammetry (SWV). The oxidation process was shown to be irreversible over the entire pH range studied (5.0 - 9.0). The influence of the operational parameters like scan rate, pulse amplitude, and pulse period for the analytical signal was investigated.