Silica gel nanoparticles 40% (w/w), colloidal dispersion in water, LUDOX® AS-40, Sigma-Aldrich®

: Merck

Silica gel nanoparticles 40% (w/w), colloidal dispersion in water, LUDOX® AS-40, Sigma-Aldrich®

: Merck

:63231-67-4

:7631-86-9

:SiO₂

:MFCD00011232

:60.08 g/mol

:1.295 g/ml (25 °C)

:M-Clarity™ quality level = MQ200

Identity:
Confirmed
pH at 25 °C:
9.0 - 9.5
Specific gravity (at 60 °F):
1.286 - 1.300
Viscosity (at 25 °C):
≤20 cps
Silica:
39.5 - 41.0%
Ratio SiO₂/NiO₂:
160 - 270
Surface area:
129 - 155 m²/g
Sulphate (SO₄) as (Na₂SO₄):
≤0.02%
Assay (T):
≥20%
Sodium (Na):
≤0.10%
Particle size:
20.0 - 24.0 nm
Chloride content:
≤0.01%

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