Acidité silicique, précipité, lumière extra pure, DAB

Code: 1006571000 D2-231

Non disponible en dehors du Royaume-Uni et de l'Irlande

Analysis Note

Assay (gravimetric, SiO2, calc. on ignited substance): 99.0 - 100.5 %Identity: passes testpH-value (3.3 %, water): 3.0 - 8.0Chloride (Cl): ≤ 0....


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Non disponible en dehors du Royaume-Uni et de l'Irlande

Analysis Note

Assay (gravimetric, SiO2, calc. on ignited substance): 99.0 - 100.5 %Identity: passes testpH-value (3.3 %, water): 3.0 - 8.0Chloride (Cl): ≤ 0.05 %Sulfate (SO4): ≤ 0.5 %Heavy metals (as Pb): ≤ 0.0025 þ (Iron): ≤ 0.03 %Loss on ignition (2 h, 900 °C): ≤ 8.5 %Particle size (< 0.1 mm): about 99Bulk density: about 6

Packaging

1, 10 kg in Fibre carton

anion tracessulfate (SO42-): ≤0.5%, chloride (Cl-): ≤0.05%
application(s)sample preparation
assay99-100.5% SiO2 basis (calculated on ignited substance, gravimetric)
bulk density60‑600 kg/m3
cation tracesFe: ≤0.03%, heavy metals (as Pb): ≤0.0025%
density2-6 g/cm3 at 20 °C
formsolid
loss≤8.5% loss on ignition, 2 h, 900 °C
mp1710 °C
pH3.0-8.0 (3.3% in water)
potency>10000 mg/kg LD50, oral (Rat), >5000 mg/kg LD50, skin (Rabbit)
Quality Level200
solubilitywater: insoluble at 20 °C
storage temp.no temp limit
Cas Number10279-57-9
Ce produit répond aux critères suivants pour être admissible aux récompenses suivantes :



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