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420832

Sigma-Aldrich

LUDOX® AS-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
MDL number:
UNSPSC Code:
12352309
PubChem Substance ID:
NACRES:
NA.22

description

colloidal

Quality Level

form

suspension

concentration

30 wt. % suspension in H2O

surface area

~230 m2/g

pH

9.1

density

1.2 g/mL at 25 °C

SMILES string

O=[Si]=O

InChI

1S/O2Si/c1-3-2

InChI key

VYPSYNLAJGMNEJ-UHFFFAOYSA-N

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General description

LUDOX® colloidal silica are aqueous dispersions of silica particles that can improve the product performance as an inorganic binder.

Application

Ammonium stabilizing counterion

Legal Information

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

Storage Class Code

12 - Non Combustible Liquids

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Yang Ding et al.
Proceedings of the National Academy of Sciences of the United States of America, 110(25), 10123-10128 (2013-06-05)
Undulatory locomotion, a gait in which thrust is produced in the opposite direction of a traveling wave of body bending, is a common mode of propulsion used by animals in fluids, on land, and even within sand. As such, it
C J Horwell et al.
Environmental research, 127, 63-73 (2013-11-26)
The six week eruption of Eyjafjallajökull volcano in 2010 produced heavy ash fall in a sparsely populated area of southern and south eastern Iceland and disrupted European commercial flights for at least 6 days. We adopted a protocol for the
Arianne Soliven et al.
Journal of chromatography. A, 1351, 56-60 (2014-06-08)
Analytical scale active flow technology first generation silica monolithic columns kitted out in curtain flow mode of operation were studied for the first time. A series of tests were undertaken assessing the column efficiency, peak asymmetry and detection sensitivity. Two
Sander Deridder et al.
Journal of chromatography. A, 1351, 46-55 (2014-06-10)
Effective medium theory (EMT) expressions for the B-term band broadening in monolithic silica columns are presented at the whole-column as well as at the mesoporous skeleton level. Given the bi-continuous nature of the monolithic medium, regular as well as inverse
Andrea F G Gargano et al.
Journal of chromatography. A, 1351, 70-81 (2014-06-05)
Mucin glycoproteins belong to a class of high molecular weight, heavy glycosylated, proteins that together with water, salts and lipids constitute mucous secretions. Particular disease states (e.g. obstructive chronic bronchitis and ovarian tumor) are known to modify the composition and

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