Table 1 Surface elemental composition of the p-clay and d-clay in atomic ratios relative to aluminium taken as a unique elemental marker for clay structure.

From: Fish DNA-modified clays: Towards highly flame retardant polymer nanocomposite with improved interfacial and mechanical performance

Samples

Al/Al

C/Al

O/Al

N/Al

P/Al

Na/Al

p-clay

1.000

1.632

8.884

0.108

0.000

0.153

d-clay

1.000

1.854

9.605

0.474

0.042

0.000