Table 9 Varimax rotated principal components of heavy metals in sediments from the study area.

From: Heavy metal concentrations and pollution indicators in the Ennore ecosystem, east coast of Tamilnadu, India using atomic absorption spectrometry study with statistical approach

Variables

Component 1

Component 2

Mg

0.703

− 0.046

Al

0.489

0

Si

− 0.576

0.818

K

− 0.652

− 0.167

Ca

0.629

0.161

Ti

0.755

0.557

Fe

0.848

0.523

V

0.779

0.572

Cr

0.88

0.353

Mn

0.774

0.542

Co

0.726

0.487

Ni

0.711

0.155

Cu

0.316

0.198

Zn

0.808

0.483

As

0.263

0.715

Cd

− 0.102

− 0.377

Ba

− 0.815

− 0.164

La

0.646

0.537

Pb

0.798

0.492

Percentage of variance explained

46%

20%

  1. Extraction method: Principal component analysis.
  2. Rotation method: Varimax with Kaiser normalization.
  3. Rotation converged in 3 iterations.
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