# ISO 9138:1993 — Withdrawn and superseded ISO standards

For ISO 9138:1993, item title is Abrasive grains — Sampling and splitting; status code is 9599; successor is ISO/WD 9138 | ISO 9138:2015; withdrawn / published date is 1993-01-28, recorded from its source on 2026-08-05.

- **Identifier:** ISO 9138:1993 _(verified: appears in the quote below)_
- **Item title:** Abrasive grains — Sampling and splitting _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO/WD 9138 | ISO 9138:2015
- **Withdrawn / published date:** 1993-01-28 _(verified: appears in the quote below)_

## What the source says

> 16734,IS,,ISO 9138:1993,Abrasive grains — Sampling and splitting,Grains abrasifs — Échantillonnage et division,1993-01-28,1,['25.100.70'],ISO/TC 29/SC 5,9599,,"[33698,60012]","['en','fr']",2,<p>Sampling is made using a sampling thief. Splitting means dividing into two equal portions using a splitter (commonly a Jones sampler) and repeating this procedure at each of the portions obtained until the sample is 25 % larger than the amount required for testing. The method may be used in the comparative testing of uniformly produced abrasive grains.</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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).