NP EN 1557-1999
Surface active agents Colorimetric characterization of optically clear coloured liquids (products) as X,Y,Z tristimulus values in transmission

Standard No.

NP EN 1557-1999

Release Date

1999

Published By

PT-IPQ

Latest

NP EN 1557-1999

NP EN 1557-1999 history

• 1999 NP EN 1557-1999 Surface active agents Colorimetric characterization of optically clear coloured liquids (products) as X,Y,Z tristimulus values in transmission