As the economy slows down so does the demand for rare gases. During the last 12 months demand for xenon (Xe) declined almost 40 percent and demand for krypton (Kr) fell by about 30 percent.
As I reported last year (“The Rare Gets More Rare,” CryoGas International, July 2008, p. 26), krypton and xenon prices had increased almost tenfold over the previous 12–18 months.
During that period, Kr prices went from an average of $0.30 to $1.90 per liter, and Xe from $3.00 to $28.00 per liter.
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