What clay mineral is predominant in bentonite clay, as indicated by Powder XRD of Na-incorporated bentonite?

Label:chem

Topic
Powder XRD analysis helps in identifying the predominant clay minerals.
Answer
The Powder XRD pattern of Na-incorporated bentonite showed the presence of d001 with basal spacing 15.58 Å, indicating that the montmorillonite clay mineral is predominant in bentonite clay.
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