PRODUCT SPECIFICATION
| TEST | SPECIFICATION |
| Appearance (Form) | Powder |
| Appearance (Color) | Blue Powder |
| Solubility in water | Soluble |
| Maximum Absorption at γ max (nm) | 562 (±5) nm
604 (±5) nm |
| Volatile Matter at 105°C | 10 % Max |
| Iron | Max. 250ppm |
| HPLC Purity | Min. 90% |
| Heavy Metal | Passes Test |
