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COMPARATVE STUDIES ON THE HEAVY METAL CONCENTRATION IN LEAF, STEM AND ROOT OF CORCHORUS OLITORIUS L. IRRIGATED WITH SEWAGE WATER AND TAP WATER RESPCTIVELY.

Topic Description

TABLE OF CONTENTS
Title page – – – – – – – – – – i
Certification – – – – – – – – – – ii
Dedication – – – – – – – – – – iii
Acknowledgement – – – – – – – – – iv
Table of Contents – – – – – – – – – v
List of Plates – – – – – – – – – – viii
List of Tables – – – – – – – – – – ix
Abstract – – – – – – – – – – x
1.0 Chapter One – – – – – – – – – 1
1.1 Introduction – – – – – – – – – 1
1.2 Classification of Corchorusolitorius – – – – – – 4
1.3 The Objectives of this Study – – – – – – – 7
2.0 Chapter Two – – – – – – – – – 8
2.1 Literature Review – – – – – – – – 8
3.0 Chapter Three – – – – – – – – 11
3.1 Materials and Methods – – – – – – – 11
3.2 Collection, Identification and Confirmation of Materials – – – 11
3.3 Pre-Nursery – – – – – – – – – 11
3.4 Nursery Proper – – – – – – – – 11
3.5 Transplanting of Seedlings from the Nursery- – – – – 12
3.6 Main Experiment – – – – – – – – 12
3.7 Data Collection and Analysis – – – – – – – 17
vii
3.8 Determination of Water Quality – – – – – – 17
3.8.1 Temperature – – – – – – – – – 17
3.8.2 Transparency – – – – – – – – – 17
3.8.3 pH – – – – – – – – – – 18
3.8.4 Dissolved Oxygen (DO) – – – – – – – 18
3.8.5 Biochemical Oxygen Demand (BOD) – – – – – 18
3.8.6 Chemical Oxygen Demand (COD) – – – – – – 19
3.9 Preparation of Samples for Chemical Analysis – – – – 19
3.9.1 Copper Determination – – – – – – – 19
3.9.2 Zinc Determination – – – – – – – – 20
3.9.3 Mercury Determination – – – – – – – 20
3.9.4 Arsenic Determination – – – – – – – 20
3.9.5 Iron Determination – – – – – – – – 21
3.9.6 Cadmium Determination – – – – – – – 21
3.9.7 Lead Determination – – – – – – – – 21
3.9.8 Magnesium Determination – – – – – – – 22
3.9.9 Potassium Determination – – – – – – – 22
3.9.10 Calcium Determination – – – – – – – 23
3.9.11 Phosphate Determination – – – – – – – 23
3.9.12 Nitrogen Determination – – – – – – – 23
3.9.13 Chloride Determination – – – – – – – 24
4.0 Chapter Four – – – – – – – – – 25
4.1 Results – – – – – – – – – 25
viii
4.2 Water Quality Indicators – – – – – – – 25
4.3 Physico-chemical Analysis – – – – – – – 27
4.4 Some Growth Parameter – – – – – – – 29
4.5 Accumulation of Toxic Chemical Elements in the Leaves of C. olitorius – 31
4.6 Accumulation of Toxic Chemical Elements in the Stem of C. olitorius – 33
4.7 Accumulation of Toxic Chemical Elements in the Roots of C. olitorius – 35
4.8 Accumulation of the Toxic Metals in the three plant parts (Leaf, stem and root)
ofC. olitorius: a comparison – – – – – – – 37
5.0 Chapter Five – – – – – – – – – 39
5.1 Discussion and Conclusion – – – – – – – 39
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