Monthly archives: September, 2015

BASIC LABORATORY PRINCIPLES AND PROCEDURE

BASIC LABORATORY PRINCIPLES AND PROCEDURE INTRODUCTION: –                                  Pathology is a branch of biological science which deals with the nature of disease, through a study of its causes, its processes and its effects, with associated structural and functional alteration. When a person becomes ill, his symptoms are due to disturbances in the normal functions of …

What is pH ?

                  Define pH What is pH? pH is a scale used in chemistry to represent acidic, basic or neutral nature of solutions etc. Definition of pH pH is negative logarithm of hydrogen ion concentration. pH = -log10[H+] pH scale is from 0 to 141. Acids have pH below 7.2. Bases have pH above 7.3. Neutral …