# ISO 10399:1991 — Withdrawn and superseded ISO standards

For ISO 10399:1991, item title is Sensory analysis — Methodology — Duo-trio test; status code is 9599; successor is ISO/WD 10399 | ISO 10399:2004; withdrawn / published date is 1991-11-14, recorded from its source on 2026-08-05.

- **Identifier:** ISO 10399:1991 _(verified: appears in the quote below)_
- **Item title:** Sensory analysis — Methodology — Duo-trio test _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO/WD 10399 | ISO 10399:2004
- **Withdrawn / published date:** 1991-11-14 _(verified: appears in the quote below)_

## What the source says

> 18460,IS,,ISO 10399:1991,Sensory analysis — Methodology — Duo-trio test,Analyse sensorielle — Méthodologie — Essai duo-trio,1991-11-14,1,['67.240'],ISO/TC 34/SC 12,9599,,"[28638,34323]","['en','fr']",6,"<p>Specifies a method for determining whether there is a difference between two product samples. Describes the principle, the apparatus, the sampling, the preparation of specimens, the test procedure, and the contents of the test report. Annexes A, B and C are for information only.</p>"

## 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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).