|
Appearance
|
A white crystalline powder
|
|
Assay (titration)
|
Min 99%
|
|
RP gradient test
|
Corresponds to standard
|
|
Filter test
|
Corresponds to standard
|
|
Maximum UV absorbance (0.05M; 1 cm cell vs H2O):
|
|
|
at 210 nm
|
0.1
|
|
at 220 nm
|
0.06
|
|
at 230 nm
|
0.04
|
|
at 260 nm
|
0.02
|
|
at 500 nm
|
0.02
|