ISO 22241 - Ad Blue Quality Testing

Urea Concentration *

ISO 22241 Annex C

Density @ 20ºC

EN ISO 12185

Refractive Index @ 20ºC

ISO 22241 Annex C

Alkalinity as NH3

ISO 22241 Annex D

Biuret

ISO 22241 Annex E

Aldehydes

ISO 22241 Annex F

Insoluble

ISO 22241 Annex G

Phosphate (PO4)

ISO 22241 Annex H

Metals (Ca, Fe, etc)

ISO 22241 Annex I

Identification

ISO 22241 Annex J