TEST ITEMS

SPECIFICATION

RESULTS

Appearance

White or almost white,fine or granular powder.

Conform

Identification A

Conform

Conform

Identification B

The degree of Polymerization≤350

207

Granulometry

Remains
60mesh≤1% 

Remains
200mesh≤30%

No remains

17.8%

Conductivity

≤75us/cm

45 us/cm

PH value

5.0-7.5

6.3

Loss on drying

≤7.0%

3.3%

Residue on ignition

≤0.10%

0.03%

Water Soluble Substances

≤0.25%

0.14%

Ether-Soluble Substances

≤0.05%

0.02%

Heavy metal

≤0.001%

<0.001%

Assay

α-cellulose: 97%~102%

97.8%

Microbial limits

TAMC

≤1000cfu/g

40CFU/g

TYMC

≤100cfu/g

<10CFU/g

Escherichia coli

Absent

Absent

Salmonella species

Absent

Absent

Staphylococcus aureus

Absent

Absent

Pseudomonas aeruginosa

Absent

Absent

Conclusion:

Conform