420816

Sigma-Aldrich

LUDOX® HS-40 colloidal silica

40 wt. % suspension in H2O

Sinônimo(s):
Silica preparation
Fórmula linear:
SiO2
Número CAS:
Peso molecular:
60.08
Número MDL:
ID de substância PubChem:
NACRES:
NA.22

Nível de qualidade

100

descrição

colloidal

concentração

40 wt. % suspension in H2O

área da superfície

~220 m2/g

pH

9.8

densidade

1.3 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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Descrição geral

Contains ~250ppm of total biocides (5-chloro-2-methyl-4-isothiazolin-3-one and 2-methyl-2H-isothiazol-3-one (3:1))

Aplicação

LUDOX® HS-40 colloidal silica can be used as a silica source to synthesize sulfate sodalite, zeolite and aluminosilicate gels. It can also be used as a gradient medium in density gradient centrifugation technique.
It contains sodium stabilizing counterion.

Embalagem

18 L in VerSA-Flow™
1, 4 L in poly bottle

Informações legais

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

storage_class_code

12 - Non Combustible Liquids

WGK Alemanha

nwg

Ponto de fulgor (ºF)

Not applicable

Ponto de fulgor (ºC)

Not applicable

Equipamento de proteção individual

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

Certificado de análise

Certificado de origem

Low temperature heat capacity and thermodynamic functions of anion bearing sodalites Na8Al6Si6O24X2 (X= SO4, ReO4, Cl, I).
Schliesser J, et al.
The Journal of Chemical Thermodynamics, 114, 14-24 (2017)
The separation of cells and subcellular particles by colloidal silica density gradient centrifugation.
Wolff D A.
Methods in Cell Biology, 10, 85-104 (1975)
Synthesis of zeolite L. Tuning size and morphology.
Ruiz A Z, et al.
Monatshefte fur Chemie / Chemical Monthly, 136(1), 77-89 (2005)
The effects of gel aging on the synthesis of NaY zeolite from colloidal silica.
Ginter D M, et al.
Zeolites, 12(6), 742-749 (1992)
K E Kovalenko et al.
Ecological applications : a publication of the Ecological Society of America, 23(5), 1048-1060 (2013-08-24)
Boreal wetlands play an important role in global carbon balance. However, their ecosystem function is threatened by direct anthropogenic disturbance and climate change. Oil sands surface mining in the boreal regions of Western Canada denudes tracts of land of organic...

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