ISO 5518:1978
For ISO 5518:1978, item title is Fruits, vegetables and derived products — Determination of benzoic acid content — Spectrophotometric method; status code is 9599; successor is ISO 5518:2007 | ISO/CD 5518; withdrawn / published date is 1978-05-01, recorded from its source on 2026-08-05.
- Identifier
- ISO 5518:1978 verified
- Item title
- Fruits, vegetables and derived products — Determination of benzoic acid content — Spectrophotometric method verified
- Status code
- 9599 verified
- Successor
- ISO 5518:2007 | ISO/CD 5518
- Withdrawn / published date
- 1978-05-01 verified
Verified
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What the source says
11572,IS,,ISO 5518:1978,"Fruits, vegetables and derived products — Determination of benzoic acid content — Spectrophotometric method","Fruits, légumes et produits dérivés — Détermination de la teneur en acide benzoïque — Méthode spectrophotométrique",1978-05-01,1,['67.080.01'],ISO/TC 34/SC 3,9599,,"[41184,22899]","['en','fr']",3,"<p>The method consists in homogenizing the product, followed by dilution and acidification of a test portion, extraction of the acid by diethyl ether, then alkaline re-extraction of this acid and purifying by oxidation using acidified potassium dichromate, determination of the acid with a suitable spectrophotometer. The method cannot be applied in the presence of p-
— isopublicstorageprod.blob.core.windows.net, retrieved 2026-08-05
Source
- isopublicstorageprod.blob.core.windows.nethttps://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv