Skip to main content


Springer Nature is making SARS-CoV-2 and COVID-19 research free. View research | View latest news | Sign up for updates

Official Journal of the Asia Oceania Geosciences Society (AOGS)

Geoscience Letters Cover Image

Table 1 FSDP positions Q of X-ray scattering profiles for amorphous silica (Q is \(4\pi \sin \theta /\lambda\)): λ is wavelength of X-ray)

From: Structural change of the frustule of diatom by thermal treatment

Sample Q−1)
Bleached sample 1.59
Silica gel (used in this study) 1.63
Silica gel (Kamiya and Nasu 1998) 1.60–1.70
Silica glass (Shimada et al. 2002) 1.52