420816
LUDOX® HS-40 colloidal silica
40 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
viscous liquid
concentration
40 wt. % suspension in H2O
surface area
~220 m2/g
pH
9.8
density
1.3 g/mL at 25 °C
SMILES string
O=[Si]=O
InChI
1S/O2Si/c1-3-2
InChI key
VYPSYNLAJGMNEJ-UHFFFAOYSA-N
General description
LUDOX® HS-40 colloidal silica is used as a silicon (Si) source in the synthesis of zeolites, sulphate sodalite, and aluminosilicate gels.
Application
LUDOX® HS-40 colloidal silica is utilized:
- As a template for generating mesopores
- As an excellent binder that binds catalyst components together and provides high mechanical strength without changing catalytic properties
- As a substrate to enhance substrate adhesion in zeolites
- In the preparation of nitrogen-doped carbon (NMC), which serves as catalyst support
Legal Information
LUDOX is a registered trademark of W.R. Grace & Co.-Conn.
Storage Class
12 - Non 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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The separation of cells and subcellular particles by colloidal silica density gradient centrifugation.
Wolff D A.
Methods in Cell Biology, 10, 85-104 (1975)
Control of the pore size distribution inside the RuO2 catalyst by using silica nanosphere particle for highly efficient water electrolysis
C Baik et al.
Microporous and Mesoporous Materials : The Official Journal of the International Zeolite Association, 309, 110567-110567 (2020)
Deposition of oriented zeolite A films: in situ and secondary growth
LC Boudreau, et al.
Journal of Membrane Science, 152, 41-59 (1999)
Global Trade Item Number
| SKU | GTIN |
|---|---|
| 420816-1L | 04061832093468 |
| 420816-4L | 04061832093529 |
| 420816-18L | 04061832093451 |