Appearance
|
White crystalline powder
|
Assay
|
Min 99.5%
|
DNases, RNases, phosphatases & proteases
|
None detected
|
Insoluble matter
|
Passes filter test
|
Solubility (1 M in water)
|
Complete, Colorless
|
pH (5% solution)
|
4.5-5.5
|
Nitrate (NO3)
|
Max 0.0005%
|
Phosphate (PO4)
|
Max 0.0002%
|
Sulphate (SO4)
|
Max 0.0005%
|
UV absorbance 1 M in water at:
|
|
260 nm
|
Max 0.021
|
280 nm
|
Max 0.019
|