# ISO/ASTM 51401:2002 — Withdrawn and superseded ISO standards

For ISO/ASTM 51401:2002, item title is Practice for use of a dichromate dosimetry system; status code is 9599; successor is ISO/ASTM 51401:2003; withdrawn / published date is 2002-04-18, recorded from its source on 2026-08-05.

- **Identifier:** ISO/ASTM 51401:2002 _(verified: appears in the quote below)_
- **Item title:** Practice for use of a dichromate dosimetry system _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO/ASTM 51401:2003
- **Withdrawn / published date:** 2002-04-18 _(verified: appears in the quote below)_

## What the source says

> 33556,IS,,ISO/ASTM 51401:2002,Practice for use of a dichromate dosimetry system,Pratique de l'utilisation d'un système de mesure dosimétrique au dichromate,2002-04-18,1,['17.240'],ISO/TC 85,9599,[28209],[38106],['en'],7,"<p>ISO/ASTM 51401 covers the preparation, testing, and procedure for using the acidic aqueous silver dichromate dosimetry system to measure absorbed doses in water when exposed to ionizing radiation. The system consists of a dosimeter and appropriate analytical instrumentation. For simplicity, the system is referred to as the dichromate system and is classified as a reference standard dosimetry system.</p><p>This International Standard describes the spectrophotometric analys

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).