Fig. 5
From: Ammonium alum in alum-treated wooden artefacts: discovery, origins and consequences
XRD pattern of precipitate from 80:20 K:NH4-alum mixture with alunite reference
Fig. 5 | Heritage Science
From: Ammonium alum in alum-treated wooden artefacts: discovery, origins and consequences
XRD pattern of precipitate from 80:20 K:NH4-alum mixture with alunite reference