ANALYSIS

SPECIFICATION

Deacetylation

≥98%

Characters/appearance

White to light yellow powder

Odor and taste

Characteristic

pH

3-5

Viscosity in 1% Acetic acid

10-100cps

Mesh size/sieve analysis

100% pass 80 mesh

Loss on drying

≤8%

Water solubility

Soluble in water easily

Heavy Metals

As

Pb

Cd

Hg

Sum

≤ 2.0 ppm

≤ 1.0 ppm

≤ 0.5 ppm

≤ 0.5 ppm

≤ 20.0 ppm

Microbiological quality

Total Plate Count

Yeast & Mold

E.Coli.

Salmonella

<1000 cfu/g

<100 cfu/g

Negative

Negative