Interview
Analytical Chemistry,Instrumentation
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Interview study book Instrumental Analytical Chemistry of James W. Robinson, Eileen M. Skelly Frame, George M. Frame II - ISBN: 9781315301143 (Study Notes)
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Paper No. : 15 Environmental AnalysisModule : 15 Analysis of pesticides and Fertilizer in water by TLC & GC
Principal Investigator: Dr.Nutan Kaushik, Senior Fellow
The Energy and Resources Institute (TERI), New Delhi
Co-Principal Investigator: Dr. Mohammad Amir, Professor of Pharm. Chemistry,
JamiaHamdard University, New Delhi
Paper Coordinator: Dr. Nimisha Jadon, Assistant Professor, School of Studies
in Environmental Chemistry,Jiwaji University, Gwalior
Content Writer: Dr. Nimisha Jadon, Assistant Professor, School of Studies
in Environmental Chemistry,Jiwaji University, Gwalior
Content Reviwer: Prof. Rajeev Jain, Professor of Chemistry, Jiwaji
University, Gwalior
Analytical Chemistry Environmental Analysis
/ Instrumentation
Analysis of pesticides and Fertilizer in water by TLC & GC
, Description of Module
Subject Name Analytical Chemistry / Instrumentation
Paper Name Environmental Analysis
Module Name/Title Analysis of pesticides and Fertilizer in water by TLC & GC
Module Id 15
Pre-requisites
Objectives
Keywords
Analytical Chemistry Environmental Analysis
/ Instrumentation
Analysis of pesticides and Fertilizer in water by TLC & GC
, Introduction
• The extensive use of pesticides causes the pests to develop resistance against it.
• The overuse of these pesticides also results in the destruction of beneficial organisms.
• Pesticides that are used in urban landscaping contain chemicals like diazinon
& chlorpyifos that are poisonous to a number of organisms, including fish and
invertebrates.
• Pesticides is the main cause of reduction of insect’s populations that acts as an
essential food source for birds and further wildlife-organisms.
• The analysis of these pesticides is of the most important apprehension.
Pesticide residues, PCBs and PAHs
Principle
• The residuum of pesticides is extracted by the use of solvent extraction with the help
of separating funnel which involves the phenomena of liquid-liquid partition.
• It is then estimated by Gas Chromatographic technique (GC).
• The Gas Chromatographic instrument with detector like electron capture & nitrogen
phosphorous.
• Sometimes the hyphenated techniques like GC-MS in which Gas Chromatography
coupled with Mass Spectrometry is used.
• The residue contents are governed by carrying out the comparison between standard
and the response generated.
Analytical Chemistry Environmental Analysis
/ Instrumentation
Analysis of pesticides and Fertilizer in water by TLC & GC
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