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About An Improved Gravimetric Method To PHC
This document describes an improved gravimetric method developed to determine total petroleum hydrocarbons (TPH) in contaminated soils. The method was adapted from existing standard methods with modifications to reduce costs and increase efficiency where possible. Key aspects investigated included the extraction efficiency of ultrasound treatment compared to Soxhlet extraction, ensuring complete solvent evaporation through various rotary evaporator steps, and whether cleanup using silica gel was necessary. The optimized method used hexane solvent, 40-60 minutes of ultrasound extraction, and a combination of rotary evaporator and vacuum drying steps to fully evaporate solvent, avoiding the need for silica gel cleanup in most cases. This improved gravimetric method provides a low-cost option for TPH
Detailed Information
Author: | ['alahzab'] |
---|---|
Publication Year: | 2016 |
Pages: | 12 |
Language: | English |
Format: | |
Price: | FREE |
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