Table 1 The hydroxyapatite-based materials’ component levels and restrictions of harmful elemental composition.

From: A novel approach to prepare a composite of hydroxyapatite with cellulose nanocomposites by novel methods including theoretical studies

Non-toxic elements

Toxic elements

Element

Wt%

Est. error

Element

Wt%

Est. error

C

25.99

0.22

Pb

0.0154

0.0017

Ca

15.64

0.18

Sr

0.0113

0.0008

Px

5.11

0.11

Cu

0.0032

0.0006

Mg

0.0928

0.0069

Ni

0.0019

0.0006

Sn

0.0563

0.0044

Cs

0.0438

0.0099

k

0.0287

0.0014

Ba

0.0609

0.013

Si

0.0219

0.0015

   

Sx

0.0020

0.0005

   

Fe

0.0019

0.0006

   

O

26.03

    
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