I am looking for Trichloro-trifluoro-ethane to perform a TPH analysis
by infrared spectroscopy. Somebody knows where I can purchase this
freon? The sources I used do not sell this product any more as it
seems to damage the ozone layer.
What other alternative product could I use in stead?
I did this already and found Merck Chemicals as a supplier of this CFC
113 (this is the alternative name for trichlorotrifluoro ethane) in a
grade that is adequate for IR spectroscopy (Uvasol).
We are already in the process of implementing an alternative method
for TPH analysis using hexane according to the EPA 1664 procedure. For
soil analysis we are validating a method that works with methanol as
extraction solvent instead of CFC 113 (turbidimetric determination of
hydrocarbons). The aim is being more independent on the Freons as
solvents as they are becoming more and more expensive and difficult to
You might be right Old&Grunpy. I am still waiting for the cost
estimate but this is the price I was expecting also. As I mentioned
already in a previous post, we are in the process of implementing (an)
alternative method(s) for TPH analysis as with this high solvent costs
we are probably not competitive any more. Many thanks for your help
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