Backpulver 99% (SGS & BV Inspektion))

Items

Limit

Result

Characteristics

A white, crystalline powder, soluble in water, practically insoluble in alcohol. When heated in the dry state or in solution, it gradually changes into sodium carbonate.

A white, crystalline powder, soluble in water, practically insoluble in alcohol. When heated in the dry state or in solution, it gradually changes into sodium carbonate.

Identification

Positive

Positive

Assay(sodium bicarbonate)

99.0%-100.5%

99.9%

Appearance of Solution

Clear

Clear

Iron

≤0.0005%

<0.0005%

Limit of ammonia

Conform

Conform

Aluminum

≤0.0002%

<0.0002%

Arsenic(Method I)

≤0.0002%

<0.0002%

Calcium and magnesium

≤0.004%

<0.004%

Heavy Metals

≤0.0005%

<0.0005%

Carbonate

≤8.6

8.2

Chloride

≤0.015%

<0.015%

Loss on drying

≤0.25%

0.2%

Normal carbonate

Conform

Conform

Limit of sulfur compounds

≤0.015%

<0.015%

Copper

≤0.0001%

<0.0001%

Limit of organics

≤0.01%

<0.01%

Residual solvents

Conform

Conform

Organic volatile impurities(Method IV)

Conform

Conform