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Table 2 Compilation of Raman spectral assignments for arsenite species from Loehr and Plane.[35]

From: A Raman spectroscopic study of arsenite and thioarsenite species in aqueous solution at 25 °C

Speciesa

Observed bands/cm-1

H3AsO3 0 or As(OH)3 0

710, 655

H2AsO3 - or AsO(OH)2 -

790, 610, 570, 370, 320

HAsO3 2- or AsO2(OH)2-

810?, 770?, 670–520?

AsO3 3-

752, 680, 340

  1. aSecond formulations given are those preferred by Loehr and Plane.[35]
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Geochemical Transactions

ISSN: 1467-4866

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