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420824 Sigma-Aldrich

LUDOX® HS-30 colloidal silica

30 wt. % suspension in H2O

Synonym: Silica preparation

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Properties

Related Categories Chemical Synthesis, Reagents, Silica Gel, Solid Supported Synthesis, Specialty Synthesis More...
description   colloidal
concentration   30 wt. % suspension in H2O
surface area   ~220 m2/g
pH   9.8
density   1.21 g/mL at 25 °C
SMILES string   O=[Si]=O
InChI   1S/O2Si/c1-3-2
InChI key   VYPSYNLAJGMNEJ-UHFFFAOYSA-N

Description

General description

LUDOX® HS-40 colloidal silica is the dispersion of monodispersed colloidal silica particles having the size smaller than 100 nm.

Application

LUDOX® HS-40 colloidal silica can be used:
• For the synthesis of polymer–inorganic nanocomposites by directional freezing.
• To synthesize colloidal suspensions of zeolite Y and zeolite A nanocrystals by hydrothermal method.
• As a model for colloidal silica foulants to study the membrane fouling.

Packaging

1, 4 L in poly bottle

Legal Information

LUDOX is a registered trademark of W.R. Grace & Co.-Conn.

Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
WGK 1
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable

Documents

Certificate of Analysis (COA)

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Certificate of Origin (COO)

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Protocols & Articles

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Lab Chemicals

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Keywords: Gas chromatography, Infrared spectroscopy, Sublimation, Thin layer chromatography

Peer-Reviewed Papers
15

References

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