| ≥1 piece |
|
Quality Standard of D-Ribose
|
|
|
Item
|
Index
|
|
Exterior
|
White odorless crystalline powder
|
|
Identification
|
Visual, compares to type sample Positive by HPLC
|
|
Loss on drying
|
≤0.5%
|
|
Specific Rotation[α]
|
-20.8º~-19.0º
|
|
Residue on Ignition
|
≤0.5%
|
|
Heavy Metal (Pb)
|
≤10ppm
|
|
Arsenic
|
≤2ppm
|
|
Content
|
97~101%
|