Appearance
|
White powder
|
Assay (spectrophotometric; on dried basis)
|
97.5 - 102.5% (ADP-Na2H, (calculated) >=82.0 % (ADP, on as is basis) (lambda max. 260 nm) molar absorptivity 15000 +/- 2%, pH 7
|
Infrared spectrum
|
Conforms
|
Ratio of absorbance
|
-
|
A250/A260
|
0.76 to 0.80
|
A280/A260
|
0.15 - 0.17
|
Water (by KF)
|
Max 10.0%
|
Sodium (Na)
|
8.0 - 10.0%
|
Solubility (5% in water)
|
Clear colorless
|