# ISO 17601:2016 — Withdrawn and superseded ISO standards For ISO 17601:2016, item title is Soil quality — Estimation of abundance of selected microbial gene sequences by quantitative PCR from DNA directly extracted from soil; status code is 9599; successor is ISO 17601:2025; withdrawn / published date is 2016-01-12, recorded from its source on 2026-08-05. - **Identifier:** ISO 17601:2016 _(verified: appears in the quote below)_ - **Item title:** Soil quality — Estimation of abundance of selected microbial gene sequences by quantitative PCR from DNA directly extracted from soil _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 17601:2025 - **Withdrawn / published date:** 2016-01-12 _(verified: appears in the quote below)_ ## What the source says > 60106,IS,,ISO 17601:2016,Soil quality — Estimation of abundance of selected microbial gene sequences by quantitative PCR from DNA directly extracted from soil,Qualité du sol — Estimation de l'abondance de séquences de gènes microbiens par amplification par réaction de polymérisation en chaîne (PCR) quantitative à partir d'ADN directement extrait du sol,2016-01-12,1,['13.080.30'],ISO/TC 190/SC 4,9599,,[88096],"['en','fr']",31,"

ISO 17601:2016 specifies the crucial steps of a quantitative real-time polymerase chain reaction (qPCR) method to measure the abundance of selected microbial gene sequences from soil DNA extract which provides an estimation of selected microbial groups.

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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).