# ISO 4120:2004 — Withdrawn and superseded ISO standards

For ISO 4120:2004, item title is Sensory analysis — Methodology — Triangle test; status code is 9599; successor is ISO 4120:2021; withdrawn / published date is 2004-06-23, recorded from its source on 2026-08-05.

- **Identifier:** ISO 4120:2004 _(verified: appears in the quote below)_
- **Item title:** Sensory analysis — Methodology — Triangle test _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 4120:2021
- **Withdrawn / published date:** 2004-06-23 _(verified: appears in the quote below)_

## What the source says

> 33495,IS,,ISO 4120:2004,Sensory analysis — Methodology — Triangle test,Analyse sensorielle — Méthodologie — Essai triangulaire,2004-06-23,2,['67.240'],ISO/TC 34/SC 12,9599,[9870],[76666],"['en','fr']",15,"<p>ISO 4120:2004 describes a procedure for determining whether a perceptible sensory difference or similarity exists between samples of two products. The method is a forced-choice procedure. The method applies whether a difference can exist in a single sensory attribute or in several attributes.</p><p>The method is statistically more efficient than the duo-trio test, but has limited use with products that exhibit strong carryover and/or lingering flavours.</p><p>The method is applicable eve

## Source

- https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv

Last verified: 2026-08-05. Review by: 2027-02-01.
Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).