Silicate

Test and Method

Specification

Identification A(JP)

The solution responds to the Qualitative Tests for aluminum salt.

Identification B(JP)

upon cooling, an opaque bead with a web-like structure.

Purity (JP)

1. Acidity or alkalinity (JP)

Shake 1.0g of Synthetic Aluminum Silicate with 20 mL of water, and centrifuge: the supernatant liquid so obtained is neutral.

2. Chloride (JP)

Not More than 0.021 %

3. Sulfate (JP)

Not More than 0.480 %

4. Heavy metals (JP)

Not More than 30 ppm

5.Arsenic(JP)

Not More than 2.0 ppm

Loss on drying (1g, 105°C, 3 hours). (JP)

Not more than 20.0%

Acid-consuming capacity (JP)

The volume of 0.1 mol/L hydrochloric acid VS consumed is not less than 50.0 mL per g of Synthetic Aluminum Silicate.