Product Description
Quality standard
Project analysis pure
(AR)
Appearance: Reddish brown powder
Infrared spectroscopy: Identification matches infrared spectroscopy with reference standards
Solubility (0.1% in water) : Transparent solution
Absorption Specific ext. E (1%/1cm)>900 (590 nm, 0.01 N NaOH)
PH color range: Vis Transition interval from pH 5.2 (yellow) to pH 6.8 (purple)