SK EN ISO 6271:2017

Lëngje pastrues – Vlerësimi i ngjyrës sipas shkallës platin-kobalt – Pjesa 1: Metoda vizuale

Clear liquids - Estimation of colour by the platinum-cobalt colour scale (ISO 6271:2015)

Asnjë informacion i shtuar.

ISO 6271:2015 specifies a spectrophotometric method for estimating the colour of clear liquids in terms of platinum-cobalt units (Pt-Co units). It is applicable to clear liquids having a colour characteristic similar to those of the platinum-cobalt colour scale specified in Annex A. For products with colours more intense than the Pt-Co stock solution the method specified in ISO 4630 applies. The spectrophotometric method provides a more precise way of measuring Pt-Co colour than a visual sample comparison by human eyes. NOTE The term "Pt-Co colour" used here is preferred over the terms "Hazen colour" and "APHA colour".

SK EN ISO 6271:2017 replaces SK EN ISO 6271-1:2016 - 2016-07-22

SK EN ISO 6271:2017 replaces SK EN ISO 6271-2:2016 - 2016-07-22