SBL1023

LAB 3 TITRATION I NTRODUCTION In an acid-base titration, the important information to obtain is the equivalence point. If there are a given number of moles of acid in the titration flask, the equivalence point is reached when that same number of moles of base have been added from the buret te .The molarity of the base can then be calculated since the number of moles of base added is the same as the number of moles of acid in the flask, and the volume of the base added is also known.  Similarly, if the number of moles of acid in the titration flask is unknown, it can be calculated for the equivalence point if the molarity of the base and the volume of base added are known. Often the pH of the solution will change dramatically at the equivalence point. An acid-base indicator works by changing color over a given pH range.  If an indicator which changes color near the equivalence point is chosen, there is also a dramatic change in the color of the indicator at the equivalenc

LAB 7 : PLANT PHYSIOLOGY ( paper chromatography ) INTRODUCTION: Plants consists of two categories of pigment that used for photosynthesis which are  primary and accessory pigment. Chlorophyll is a primary pigment in organelle chloroplast with two types of chlorophylls which are chlorophyll a and chlorophyll b. The chlorophyll are green  pigment that absorb blue, red, orange and yellow but reflect green light as light contains different colours of different spectrum. Besides, accessory pigment are red, yellow or orange that absorb all the other colours. Paper chromatography is a porous paper that used to separate the plant pigments from  plant using hydrophobic solvent. Different molecules from a mixture have different solubility. With the aid of the solvent, the rate of solubility of the molecule can be known from “ molecular race track” that are created. Some compounds are hydrophobic that do not like to dissolve in water (water fearing) and some compounds are hydrophilic t

LAB 1 LABORATORY SAFETY LAB 2 INSTRUMENTATION LAB 3 TITRATION LAB 4 PROTEIN ANALYSIS LAB 5 LIPID ANALYSIS LAB 6 MICROBIOLOGY LAB 7 PLANT PHYSIOLOGY LAB 8 HUMAN PHYSIOLOGY

LAB 1 LABORATORY SAFETY LAB 2 INSTRUMENTATION LAB 3 TITRATION LAB 4 PROTEIN ANALYSIS LAB 5 LIPID ANALYSIS LAB 6 MICROBIOLOGY LAB 7 PLANT PHYSIOLOGY LAB 8 HUMAN PHYSIOLOGY

JOTTER LAB 1  -Lab Safety JOTTER LAB 2-Instrumentation 1. Calibrating pH meter 2.Micropipette 3.Microscope JOTTER LAB 3- TITRATION JOTTER LAB 4- PROTEIN ANALYSIS JOTTER LAB 5- LIPID ANALYSIS JOTTER LAB 6- MICROBIOLOGY JOTTER LAB 7-PLANT PHYSIOLOGY JOTTER LAB 8- HUMAN PHYSIOLOGY