Mr Serghei Zaitev

Academic Writer

Serghei Zaitev
713
Articles Published

Serghei is a freelance academic writer specialising in supporting/tutoring chemistry students. He started working as a writer immediately after graduating from the University of Liverpool in 2011. Currently, in his role at UK Essays, he supports students with science essays, assignments, term papers, dissertations (and viva speeches), posters and presentations.

Areas of Expertise

Chemistry

Articles by Serghei Zaitev

The lactate dehydrogenase

Essay. Published: 1 January 2015

Enzymes: Enzymes are protein molecules which catalyst the biological reactions within living systems [23]. They provide a reaction surface to which a substrate can easily bind and a suitable environme…

Chemical kinetics

Essay. Published: 1 January 2015

1) INTRODUCTION: Kinetics– study of reaction rates and mechanisms Factors affecting rate: Nature of reaction (miscibilities, surface area, molecular structure) Concentration Temperature Cataly…

Heavy metal pollutant

Essay. Published: 1 January 2015

An ongoing debate regarding the exact definition for heavy metal pollutant, there are many different definitions have been proposed. For example, some based on density, some on atomic number or ato…

Introduction to chromatography

Essay. Published: 1 January 2015

Chromatography is a technique for separating mixtures into their components in order to analyze, identify, purify, and/or quantify the mixture or components. Separate Analyze Identify Purify Quantify…

Neutralize adequately

Essay. Published: 1 January 2015

Introduction: An effective antacid should be able to neutralize adequately in order to alleviate pain and discomfort. Problem: to investigate the effect of different kinds of antacid. Compare the n…

Agricultural science and practice

Essay. Published: 1 January 2015

REVIEW OF LITERATURE INTERCROPPING Intercropping of cereals and grain legumes is a neglected theme in agricultural science and practice in both conventional and organic farming systems (Dahlmann, and …

Chemistry Essays – Saline & Fluids in the Body

Essay. Published: 1 January 2015

Saline and Fluids Using saline as an example, outline the importance of solutions in the body and what is the concentration of ‘normal saline’ and how the concentration of saline is contro…

Exploring The Chemistry Of Adhesives Chemistry Essay

Essay. Published: 1 January 2015

An adhesive is a substance that sticks to the surface of an object such that two surfaces become bonded. A typical home improvement store carries many different adhesives for many different applicatio…

Polymers and its applications

Essay. Published: 1 January 2015

ACKNOWLEDGEMENT I take this opportunity to present my votes of thanks to all those guidepost who really acted as lightening pillars to enlighten our way throughout this project that has led to success…

Absorption spectroscopy and acetic acid

Essay. Published: 1 January 2015

The absorbance of light, wavelength 632nm, was measured in an indicator solution at varying pH, and varying concentration, allowing for a Beer-Lambert plot to be constructed. This was then used to mea…

Partial molar property

Essay. Published: 1 January 2015

INTRODUCTION A partial molar property is the contribution (per mole) that a substance makes to an overall property of a mixture. The easiest partial molar property to visualize is the partial molar…

Separation techniques in forensic science

Essay. Published: 1 January 2015

The Use Of Separation Techniques In Forensic Science Forensic scientists employ many different separation techniques, these are essential for collecting evidence to be used against to aid the capture …

Methods of chemical analysis

Essay. Published: 1 January 2015

Introduction Electrophoresis is a technique used for separating molecules through migration on a support medium while under the influence of an electrical charge. It was first used as a separation tec…

The Inditex-Zara case

Essay. Published: 1 January 2015

In today’s highly competitive and global marketplace, the pressure on organizations to find new ways to create and deliver value to the customers grows even stronger….

Gas Solid Chromatography And Gas Liquid Chromatography Chemistry Essay

Essay. Published: 1 January 2015

Gas chromatography mainly consists of Gas solid chromatography and Gas liquid chromatography, in both types gas is used as mobile phase and either solid or liquid used as stationary phase. Gas solid c…

standard operating procedures

Essay. Published: 1 January 2015

SOPs – Standard Operating Procedures – A General Overview Aim This document is not meant to be all encompassing but is designed to give readers an overview as to what should be in a SOP …

nature of substances

Essay. Published: 1 January 2015

1. Nature of substances: Simple particles react faster than complex particles. In complex molecules more bonds have to be broken. This means more energy is needed to form the activated complex. Pa…

Quantative analysis of caffeine content

Essay. Published: 1 January 2015

Caffeine was extracted from decaffeinated coffee and normal tea using DCM as the solvent and compared with prepared solutions of caffeine using reverse phase HPLC. The experimentally determined resul…

The forensic science

Essay. Published: 1 January 2015

Introduction of title The terms of “forensic science” cover those professions which are involved in the application of social and physical science to the criminal justice system. Forensic …

Manufacture of microcapsules

Essay. Published: 1 January 2015

Abstract The following report is a summary of literature reviewed for the manufacture of microcapsules. More specifically the main focus of the review is the preparation of polyelectrolyte microcapsul…