# ISO 10727:1995 — Withdrawn and superseded ISO standards

For ISO 10727:1995, item title is Tea and instant tea in solid form — Determination of caffeine content — Method using high-performance liquid chromatography; status code is 9599; successor is ISO 10727:2002; withdrawn / published date is 1995-01-19, recorded from its source on 2026-08-05.

- **Identifier:** ISO 10727:1995 _(verified: appears in the quote below)_
- **Item title:** Tea and instant tea in solid form — Determination of caffeine content — Method using high-performance liquid chromatography _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 10727:2002
- **Withdrawn / published date:** 1995-01-19 _(verified: appears in the quote below)_

## What the source says

> 18820,IS,,ISO 10727:1995,Tea and instant tea in solid form — Determination of caffeine content — Method using high-performance liquid chromatography,Thé et thé soluble sous forme solide — Détermination de la teneur en caféine — Méthode par chromatographie liquide à haute performance,1995-01-19,1,['67.140.10'],ISO/TC 34/SC 8,9599,,[31494],"['en','fr']",6,"<p>The method specified is based on extracting the caffeine from a test portion with water at 90 °C in the presence of magnesium oxide, filtration followed by determination of the caffeine content by HPLC with UV detection. Applies to teas and instant teas with a caffeine content of greater than 0,3 % (m/m).</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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).