420824
LUDOX® HS-30 colloidal silica
30 wt. % suspension in H2O
Synonym(s):
Silica preparation
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About This Item
Linear Formula:
SiO2
CAS Number:
Molecular Weight:
60.08
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12352309
MDL number:
description
colloidal
Quality Level
form
liquid
concentration
30 wt. % suspension in H2O
surface area
~220 m2/g
pH
9.8
density
1.21 g/mL at 25 °C
storage temp.
room temp
SMILES string
O=[Si]=O
InChI
1S/O2Si/c1-3-2
InChI key
VYPSYNLAJGMNEJ-UHFFFAOYSA-N
General description
LUDOX® HS-40 colloidal silica is the dispersion of monodispersed colloidal silica particles having the size smaller than 100 nm. It contains sodium stabilizing counterion.
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.
Legal Information
LUDOX is a registered trademark of W.R. Grace & Co.-Conn.
Storage Class
10 - Combustible liquids
wgk
nwg
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
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Homogeneous polymer-zeolite nanocomposite membranes by incorporating dispersible template-removed zeolite nanocrystals.
Wang H, et al.
Journal of Materials Chemistry, 12(12), 3640-3643 (2002)
Mechanisms underlying the effects of membrane fouling on the nanofiltration of trace organic contaminants.
Nghiem LD, et al.
Desalination, 250(2), 682-687 (2010)
High silica zeolite Y nanocrystals by dealumination and direct synthesis.
Holmberg BA, et al.
Microporous and Mesoporous Materials : The Official Journal of the International Zeolite Association, 74(1-3), 189-198 (2004)
Global Trade Item Number
| SKU | GTIN |
|---|---|
| 420824-1L | 04061832093536 |
| 420824-4L | 04061832093543 |