UNE-EN 1557:1997
SURFACE ACTIVE AGENTS. COLORIMETRIC CHARACTERIZATION OF OPTICALLY CLEAR COLOURED LIQUIDS (PRODUCTS) AS X, Y, Z TRISTIMULUS VALUES IN TRANSMISSION.

Standard No.

UNE-EN 1557:1997

Release Date

1997

Published By

AENOR

Latest

UNE-EN 1557:1997

UNE-EN 1557:1997 history

• 1997 UNE-EN 1557:1997 SURFACE ACTIVE AGENTS. COLORIMETRIC CHARACTERIZATION OF OPTICALLY CLEAR COLOURED LIQUIDS (PRODUCTS) AS X, Y, Z TRISTIMULUS VALUES IN TRANSMISSION.