Specification

Industrial grade HG-M

Pharmaceutical grade HG-MP

Appearance

White or off-white powder

White or off-white powder

Methoxyl group

27.5-31.5%

27.0-32.0%

pH

4.0-8.0

4.0-8.0

Viscosity

5-100000 mPa . s

0.005-0.100Pa . s

Weight loss on drying

≤ 5.0%

≤ 5.0%

Residue on ignition ( Calculated as sulphate )

≤ 1.5%

≤ 1.0%

Heavy metals

/

≤ 20ppm

Arsenic

/

≤ 0.0002%

Gel temperature

50-55 °C

/

Finesses

80-100mesh

80-100mesh

Hygienics examine

Microbial quantity

/

≤ 1000 /g

Mildew quantity

/

≤ 100 /g

Colibacillus

/

Can not be inspected out