Item

Specification

Appearance

Orange to Amber to Dark green to Dark red to Black powder crystal

Identification

IR: The infrared absorption spectrum of the sample complies with the reference standard.

λ Max (PH7.0 Buffer sol.)

425.0nm~435.0nm

Sensitiveness Test

Pass

Absorbance

(0.02g/l, PH7.0 Buffer sol. 425.0-435.0nm,dried)

≥0.3

Loss on Drying

≤ 10.0%