Assay(L-Arginine):

64.70~71.50%

Assay(alpha-ketoglutarate Acid):

26.50~30.50%

Appearance:

White to yellowish Crystalline powder

Identification:

IR

Solubility:

Clear (1g in 10mL H2O)

PH:

5.5-7.0(10% H2O)

Specific rotation[a]D20:

+17.5°±1.0(8g/100ml,6N HCL)

Loss on Drying:

≤1.0%

Residue on Ignition:

≤0.10%

Heavy Metals(as Pb) :

≤10ppm

As:

≤1ppm

Pb:

≤3ppm

Cadmium:

≤1ppm

Hg:

≤0.1ppm

Cl-:

≤500ppm

Fe3+:

≤10ppm

Bulk density:

0.50g/ml±0.05 g/ml

Total Plate Count:

≤1000 cfu/g

Yeast& Mold:

≤100 cfu/g

E.Coli:

Negative

Salmonella:

Negative

   Conclusion:The product conforms to the Enterprise Standard.