All quartz optical cell of constant diameter for use in high pressure studies

Abstract
A simple optical cell is described for photochemical or spectrophotometric experiments under pressure. The cell, basically a syringe with optical windows at each end, is made entirely of quartz; the sample is not in contact with plastic or metal parts. Since the cylindrical sample space has a variable, self‐adjusting length and a constant diameter, no compressibility corrections are required.
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