|
Appearance
|
White crystalline powder
|
|
Assay (by HClO4 titration)
|
Min 99%
|
|
Heavy metal (as Pb)
|
Max 0.001%
|
|
UV absorbance (1 cm cell vs water; 0.1 mol/L)
|
|
|
at 260 nm
|
Max 0.01
|
|
at 280 nm
|
Max 0.01
|
|
DNases (exo and endonucleases)
|
Not detectable
|
|
RNases
|
Not detectable
|
|
Phosphatase
|
Not detectable
|
|
Proteases
|
Not detectable
|