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Appearance
|
Clear colourless liquid
|
|
Assay (alkalimetric)
|
Min. 99.8%
|
|
Identity
|
Passes test
|
|
APHA colour
|
Max. 10
|
|
Non-volatile matter
|
Max. 0.001%
|
|
Water (by KF)
|
Max. 0.05%
|
|
UV transmittance (1 cm cell; ref.:water)
|
|
|
at 254 nm
|
Min. 25%
|
|
at 280 nm
|
Min. 95%
|
|
at 300 nm
|
Min. 98%
|
|
UV - Cut off
|
250 nm
|