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31624 Supelco

Silicon dioxide

acid washed and calcined, Analytical Reagent

Synonym: Quartz, Sand, white quartz, Silicon dioxide

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Properties

Related Categories Adsorbents, Filter Aids and Drying Agents, Essential Chemicals, Other Drying Agents, Research Essentials
InChI Key   VYPSYNLAJGMNEJ-UHFFFAOYSA-N
quality   acid washed and calcined, Analytical Reagent
impurities   ≤0.01% in HCL soluble iron (Fe)
  ≤0.2% soluble in HCl
loss   ≤0.10% loss on ignition, 900 °C
granulation   0.1-0.3 mm, coeff var ≥96%
anion traces   chloride (Cl-): ≤50 mg/kg

Description

Application

Silicon dioxide may be employed as insulating layer on top of the silicon in the fabrication of gold electrode, used for flow injection amperometric detection of organophosphorus (OP) nerve agents.

General description

Study of silicon-silicon dioxide structure at liquid nitrogen temperature by electron spin resonance spectra has been investigated. Diffusion coefficient and solubilities of several metals (Ag, Cu, Au, Pd, and Ti) in silicon dioxide have been discussed. Microcontact printing of self-assembled monolayers (SAMs) of alkylsiloxanes on the surface of silicon dioxide has been reported. Separation and characterization of silicon dioxide (SiO2) nanostructures in dietary supplements marketed in products specifically targeted for women has been proposed.

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Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
nwg
Protocols & Articles
Peer-Reviewed Papers
15

References

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