Test Items

Specifications

Appearance

Yellowish brown amorphous powder,
special smell, slight hygroscopicity

Identification

conforms

Loss on drying

≤5.0﹪

pH

7.0-7.5

Residue on ignition

≤12.0﹪

Total nitrogen

≥13.5%

Amino nitrogen

≥3.0%

TAMC

＜1000piece∕g

TYMC

＜100piece∕g

E.Coli

Absent

Salmonellac

Absent

Live mite

Absent

Solubility in water

Most part swell, a little soluble