ANALYSIS

SPECIFICATION

RUSULT

Deacetylation

≥98%

98.2%

Appearance

Light yellow -brown powder

Complies

pH

5.5-7

5.7

Mesh size

150mesh

100% pass 150 mesh

Molecular weight

≤5500Da

5100Da

Moisture

≤10%

5.1%

Total ash

≤ 2%

0.45%

Heavy Metals

≤ 10 ppm

6ppm

As

≤ 2.0ppm

1ppm

Pb

≤ 1.0ppm

0.5ppm

Cd

≤ 0.5ppm

Negative

Hg

≤ 0.5ppm

Negative

Microbiological quality

Total Plate Count

Yeast & Mold

E.Coliform

Salmonella

.

<1000cfu/g

<100cfu/g

Negative

Negative

.

200cfu/g

50cfu/g

Negative

Negative