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Table 2 Structural parameters of sludges and standards derived from EXAFS analysis

From: Transformation of PVP coated silver nanoparticles in a simulated wastewater treatment process and the effect on microbial communities

Sample

Shell

CNa

Rb

σ2c

Aerobic sludges

    

Ag+

Ag – S

2.0

2.55

0.007

AgNP

Ag – S

1.6

2.51

0.005

 

Ag – Ag

2.4

2.89

0.005

 

Ag – Ag

3.0

3.09

0.006

 

Ag – Ag

2.4

4.98

0.003

Anaerobic sludges

    

Ag+

Ag – S

2.0

2.48

0.008

AgNP

Ag – S

2.0

2.51

0.005

References

    

Ag2S NP

Ag – S

1.5

2.52

0.004

 

Ag – Ag

3.0

3.06

0.007

Ag-foil

Ag – Ag

12.0

2.86

0.001

Ag-GSH

Ag – S

2.0

2.49

0.003

 

Ag – Ag

1.0

3.03

0.007

Ag-thiosulfate

Ag – Ag

1.0

2.52

0.002

  1. a Coordination number, b Interatomic bond distance (Å), c Debye-Waller factor.