Test Items

Specifications

Results

Appearance

Off-white

Off-white

Deacetylation Degree(w/%)

≥85%, 90% ,95%

86%

Particle(Mesh)

≥80

80

Viscosity(10g/L, 20°C)

≤100mPa·s

50mPa·s

Moisture(w/%)

≤10%

7.5

Ash Content(w/%)

≤1%

0.76

Acid Insoluble(w/%)

≤1%

Pass

pH(10g/L solution)

6.5-8.5

8.2

Pb

≤2ppm

Pass

As

≤1ppm

Pass