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The preparation of calibration standards for sodium, potassium and chlorine analyses by analytical electron microscopy
journal contribution
posted on 2023-06-08, 11:33 authored by Diana M R Harvey, Tim Flowers, J L Hall, A R SpurrAttempts were made to prepare sodium and potassium thin section standards for analytical electron microscopy by introducing, in serial concentrations, a complex between the appropriate salt and macrocyclic polyether ([15] crown-5 for sodium and [18] crown-6 for potassium) into epoxy resin. Of the tested salts, sodium tetraphenylborate, tetrafluoroborate and cyanide failed to produce homogeneous standards, and those standards containing sodium or potassium iodide or bromide were analytically inhomogeneous at concentrations greater than 20 meq 1-1. Only sodium thiocyanate and potassium cyanide standards were analytically homogeneous at concentrations up to 600 meq 1-1. A chlorine standard, which was analytically homogeneous at concentrations up to 1000 meq 1-1, was prepared by incorporating 1,2,4-trichlorobenzene into an epoxy resin.
History
Publication status
- Published
Journal
Journal of MicroscopyISSN
0022-2720Publisher
Blackwell PublishingIssue
2Volume
118Page range
143-152Department affiliated with
- Evolution, Behaviour and Environment Publications
Notes
Times Cited: 16 Harvey, dmr flowers, tj hall, jl spurr, arFull text available
- No
Peer reviewed?
- Yes
Legacy Posted Date
2012-05-15Usage metrics
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