Guide to Preparing & Analysis : Chlorinated Pesticides #59892

Restek Technical Note A Guide to Preparing and Analysing Chlorinated Pesticides
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Table of Contents
Overview . . . 2

Extraction Methods for Liquid, Solid and Biota Sample . . . 3

Liquid Samples

• Seperatory Funnel Extraction
• Liquid-liquid Extraction
• Solid Phase Extraction

Soil Samples

• Sonication or Soxhlet Extraction
• Solvent Selection

Sample Clean-up Methods . . . 6

• Sulfur and Lipid Contaminants: Gel Permeation Chromatography
• Polar Contaminants and Co-extractants: Adsorption SPE Tubes
• Double-bond, Triple Bond, or Aromatic Compound Contamination: Sulfuric Acid Cleanup
• Genral Contaminants: Carbon Cleanup
• Sulfur Contamination: Mercury; Activated Copper Powder Cleanup

Analysis of Chlorinated Pesticides . . . 9
Calibration
Injection Port maintenance
Cold On-column Injection
Direct Injections
Split/Splitless Injections
Resolution Discussions
Summary . . . 14 Products Listing . . . 18

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