Photography. Psychophysical experimental methods for estimating image quality - Triplet comparison method Ingestion-build-264231 BS EN ISO 23500‑4:2019 supersedes

BS EN ISO 23500‑4:2019 supersedes ISO 23500‑4:2014

PAS 29 goes through the tests such as the water retention test which establish the water retention capability of paper pulp products and the maceration test which help to establish the effective maceration of pulp products for disposal into the sewage system

The values obtained may be lower than the absolute content which should be determined according to BS EN 13628-1

Note: ISO/IEC 29109-5 does not establish:

Photography. Psychophysical experimental methods for estimating image quality - Triplet comparison method Ingestion-build-264231 BS EN ISO 23500‑4:2019 supersedes