TEST

SPECIFICATION

RESULT

REMARK

Appearance:

Liquid 

Pass

External shape estimation

Color

Clear, Yellow,

Clear

Gardner No. Max<2

Residue on Ignition

N/A

N/A

Protein Content

Less than 0.5%

0.14%

Kjeldal method

Degree of Deacetylation

More than 90%

90%

Colloidal method

Viscosity

50cps

(0.5% Sol.)

Prepared liquid chitosan by stirring 30 min. Measure with Brookfield viscometer (Model DV-II+) LV Spindle #0 at 30 deg.C

Insolubles

Less than 0.5% insolubility 

<0.1%

Dissolved 20g of chitosan in 100ml of distilled water Chitosan solution to which added 400 ml distilled water was stirred 30 min. Filtration with a GF/C and washed with 20ml acetone. Dry residue at 105 deg. C

Heavy metals(As) 

Less than 10 ppm

<1.0ppm

ICP Analysis

Heavy metals(Pb)

Less than 10 ppm

1.0ppm

ICP Analysis

pH

Less than 5.5

Liquid Chitosan

Odor

No taste and smell

Packing

20 liter bucket

Dalwoo-chitoSan supply first quality bulk chitin, chitosan and chitosan oligomer in various grades at competitive price. Please contact us for further infomation.

Chitosan Oligomer

Pharmaceutical grade Chitosan

Chtin

Carboxylmethyl Chitosan

Technical grade Chitosan

Food Grade Chitosan