The SpotLight Kenya

Electrolysis cells are opposite of the galvanic cells. In galvanic cells, the cells provide power to drive electrolysis reactions while for the electrolysis cells energy is needed to cause the chemical reactions to occur, which under normal situations can not take place spontaneously.   The electrolysis process is very crucial in many applications such as purifying, plating and metals refining. For example, the well-known method for the use of electrolysis is the production of aluminum from bauxite(its ores). In some few years to come, oil will be a scarce product, and it is also the major contributor to environmental pollution. Therefore, this calls for an urgent need for a clean alternative source of energy.   Hydrogen has taken the center of discussion as the suitable source of energy to replace oil use in cars. At the moment, hydrogen is used as fuel in rocket industry, in which hydrogen powers the engines of space shuttles. A significant amount of hydrogen r...

PURPOSE STATEMENT The experiment aimed at isolating Beta-carotene from spinach by solvent extraction and purifying it through the chromatography column. The results were confirmed by Thin Layer Chromatography (TLC). Solvent extraction is a method which separates substances in a mixture using a solvent. The solvent is considered for the extraction based on the chemical and physical properties of all substances present in the mixture. The compound of interest in the mixture should have greater solubility in the solvent. The solvent chosen for the extraction should not mix with the compound of interest in the mixture. In this experiment, acetone was selected as the solvent for extraction. Acetone is a polar solvent, therefore, dissolves polar and ionic compounds in the mixture.                     Chromatography consists of mobile phase and stationary phase. Stationary phase can be solid ...