Sodium silicate solution (7.5 - 8.5% Na₂O; 25.5 - 28.5% SiO₂), Extra Pure, Supelco®

Supplier: MilliporeSigma

1.05621.9250 1.05621.9250 1.05621.9040 1.05621.9040 1.05621.2500 1.05621.2500
EM1.05621.9040EA 574 USD
CA1.05621.2500 EM1.05621.9040 EM1.05621.9250 EM1.05621.2500 CA1.05621.9040 CA1.05621.9250
Sodium silicate solution (7.5 - 8.5% Na₂O; 25.5 - 28.5% SiO₂), Extra Pure, Supelco®
Sodium silicate
Formula: Na₂O(SiO₂)x·xH₂O
Boiling Pt: > 100 °C (1013 hPa)
Density: 1.35 g/cm³ (20 °C)
Storage Temperature: Ambient
MDL Number: MFCD00003492
CAS Number: 1344-09-8

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Specification Test Results

Identity passes test
Assay (acidimetric, Na₂O) 7.5 - 8.5 %
Assay (acidimetric, SiO₂) 25.5 - 28.5 %
Density (20 °C) 1.296 - 1.396 g/ml
Carbonate (as CO₂) passes test
Fe (Iron) ≤ 50 ppm
Heavy metals (as Pb) ≤ 50 ppm

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