Simple adjustable liquid sample holder for x-ray absorption studies
- 1 November 1978
- journal article
- research article
- Published by AIP Publishing in Review of Scientific Instruments
- Vol. 49 (11) , 1559-1561
- https://doi.org/10.1063/1.1135309
Abstract
A sample holder is described which permits the rapid optimization of liquid thickness for x‐ray absorption fine structure studies. In particular it has been applied to the measurement of both Extended X‐Ray Absortion Fine Structure (EXAFS) and near‐edge structure in the vicinity of the K absorption edge of potassium ions (E0≃3605 eV) in a variety of solutions. The instrument basically consists of a pair of blocks—one fixed and one movable, both with transparent x‐ray windows of stretched polypropylene which sandwich a thin sealed liquid sample bag of polyethylene or polypropylene and which, through squeezing via a micrometer drive, are experimentally adjusted to yield the desired sample thickness.Keywords
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