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Table 2 Elemental compositions, binding energy, peak area and bonds of HAp-PEG 6000 by XPS analyses

From: Synthesis of hydroxyapatite/polyethylene glycol 6000 composites by novel dissolution/precipitation method: optimization of the adsorption process using a factorial design: DFT and molecular dynamic

Name

Binding energy/eV

Area/a.u

Content/at. %

Bond

HAp-PEG 6000

C 1 s

283.70

2651.18

65.98

C–C, C–H

C 1 s

285.20

853.32

22.94

C–O–C

C 1 s

286.47

383.74

10.43

C=O

C 1 s

287.80

189.50

4.64

–CO3

O 1 s

532.90

3463.16

87.67

PO43−, Ca–O

O 1 s

534.48

532.13

14.33

P–OH

Ca 2p 3/2

347.30

572.03

101.00

Ca–O

Ca 2p 1/2

351.85

286.01

–

 

N 1 s

399.85

1322.772

101.00

N–C

P 2p

135.08

165.60

101.00

PO43−

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BMC Chemistry

ISSN: 2661-801X

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