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Silikagel 30% in water, colloidal dispersion, LUDOX® SM, Sigma-Aldrich®

Dodavatel: Merck

Synonyms: Silicon(IV) oxide, Silicium dioxide, Silicium (IV) oxide

M-Clarity™ quality level = MQ100

420794-1L 420794-4L
SIAL420794-1LEA 1880 CZK
SIAL420794-1L SIAL420794-4L
Silikagel 30% in water, colloidal dispersion, LUDOX® SM, Sigma-Aldrich®
Silicon dioxide
Vzorec: SiO₂
MW: 60.08
Bod varu: 2230
Bod tání: 1719
Hustota: 1.22 g/ml (25 °C)
MDL Number: MFCD00011232
CAS číslo: 7631-86-9
Merck Index: 14,08493

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Výsledky specifikačního testu

Colour Colourless or White
Form Liquid
ICP Major Analysis (Silica component) Confirmed
Specific gravity at 60 °F 1,209 - 1,227
pH at 25 °C 9,3 - 10,3
Viscosity at 25 °C 4,8 - 6,8 cps
Silica 29,0 - 31,0%
Ratio of SiO₂/Na₂O 45 - 56
Size (Surface area) 320 - 400 (m²/g)
Sulphate (as Na₂SO₄) ≤0,06%
Transmission ≥74,0%
Concentration 30 wt% suspension in H₂O


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