D-Ribose

ITEMS
SPECIFICATION
TEST RESULTS

Character
White or off-white Crystal Powdery
Conforms

Melting Point
80.0~90.0
80.2~80.9

Loss on drying
0.5% Max
0.2%

Specific Rotation
-19.0~-21.0?
-19.7?

Residue on ignition
0.1% Max
0.04%

Heavy Metal (as Pb)
5PPM Max
Conforms

Arsenic
1PPM Max
Conforms

Assay
99.0% Min
99.6%