How can you identify SiO2 from FTIR?

Quick answer

SiO2 is usually reported with a recurring pattern of peaks and functional-group evidence. The most useful approach is to cross-check at least two characteristic peaks before treating it as a match, then verify whether the full spectrum still fits the same material family.

Peak interpretation

Possible materials / groups

Spectrum logic

The logic here is evidence aggregation: repeated literature mentions of SiO2, repeated peak positions, and repeated functional-group associations. A strong material hypothesis should still be supported by multiple peaks that agree with each other, not by one headline band alone.

Real-world usage

This page is designed for polymer identification, incoming-material QC, unknown plastic analysis, recycled-content review, and literature-backed interpretation of reference spectra.

Common mistakes

• Calling a material match too early because one famous peak is present.
• Ignoring sample prep, fillers, oxidation, water, or additives that can change the apparent pattern.
• Using literature evidence without checking whether your own sampling mode and spectrum quality are comparable.

Verification advice

Use DSC, GC-MS, or TGA to validate the material hypothesis when the peak pattern is ambiguous or mixed.

Literature behind this page

• достоверность 4,8

  SiO2

  Study of Polyvinyl Alcohol-SiO2 Nanoparticles Polymeric Membrane in Wastewater Treatment Containing Zinc Ions DOI: 10.3390/polym13111875
• достоверность 4,8

  SiO2

  Effect of post-annealing treatment on silicon dioxide films for passivating flexible organic light-emitting diode DOI: 10.1016/j.sse.2012.06.015
• достоверность 4,8

  SiO2

  Jonynaite 等 - 2010 - Spectroscopic analysis of blue cobalt smalt pigmen DOI: 10.1016/j.vibspec.2009.12.005
• достоверность 4,8

  SiO2

  Nor 等 - 2013 - Gas Permeability of ENRPVC Membrane with the Addi DOI: 10.1063/1.4858770
• достоверность 4,8

  SiO2

  Pisciella 和 Pelino - 2005 - FTIR spectroscopy investigation of the crystallisa DOI: 10.1016/j.jeurceramsoc.2004.06.012
• достоверность 4,8

  SiO2

  Ramesh 等 - 2007 - FTIR studies of PVCPMMA blend based polymer elect DOI: 10.1016/j.saa.2006.06.012
• достоверность 4,8

  SiO2

  Sintering Temperature Effect on Structural and Optical Properties of Heat Treated Coconut Husk Ash Derived SiO2 Mixed with ZnO Nanoparticles DOI: 10.3390/ma13112555
• достоверность 4,8

  SiO2

  Bahramnia 等 - 2022 - The Effect of 3-(Glycidoloxy Propyl) Trimethoxy Si DOI: 10.21203/rs.3.rs-381518/v1
• достоверность 4,8

  SiO2

  Criner 等 - 2018 - Quantification of Material State using Reflectance DOI: 10.1063/1.5031610
• достоверность 4,8

  SiO2

  Photocatalytic-Fenton Process under Simulated Solar Radiation Promoted by a Suitable Catalyst Selection DOI: 10.3390/catal11080885