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Table 1 Bulk characteristics of pristine Shijiazhuang chrysotile asbestos (previously reported in Walter et al. (2019) [21]). Values in round brackets represent standard deviations

From: Identifying the reactive sites of hydrogen peroxide decomposition and hydroxyl radical formation on chrysotile asbestos surfaces

Bulk characteristics of chrysotile asbestos

Bulk composition:

 

Fusion digestion (n = 15):

NAAa (n = 2):

Mg

[g kg−1]

249 (7)

 

Si

[g kg−1]

188 (3)

 

Fe

[g kg−1]

19.0 (1.4)

21.4 (0.3)

Al

[g kg−1]

8.0 (0.5)

 

Bulk Fe speciation:

 

Mössbauer:

 

Fe2+oct

[%]

38.4

 

Fe3+oct

[%]

54.6

 

Fe3+tet

[%]

7.0

 

Total Fe in chrysotileb

[%]

68.2

 
  1. aNeutron activation analysis
  2. bRemaining Fe (31.8%) is in magnetite impurities
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Particle and Fibre Toxicology

ISSN: 1743-8977

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