Reference Source

ISO 5506:1988

For ISO 5506:1988, item title is Soya bean products — Determination of urease activity; status code is 9599; successor is ISO 5506:2018; withdrawn / published date is 1988-08-18, recorded from its source on 2026-08-05.

Identifier
ISO 5506:1988 verified
Item title
Soya bean products — Determination of urease activity verified
Status code
9599 verified
Successor
ISO 5506:2018
Withdrawn / published date
1988-08-18 verified
Sourceisopublicstorageprod.blob.core.windows.net
Verified
Review by
DatasetWithdrawn and superseded ISO standards

What the source says

11554,IS,,ISO 5506:1988,Soya bean products — Determination of urease activity,Produits dérivés du soja — Détermination de l'activité uréasique,1988-08-18,2,['67.200.20'],ISO/TC 34/SC 2,9599,[11553],[75602],"['en','fr']",2,"<p>The method allows inadequate cookingof the products to be detected. It applies to products having a urease activity of less than 1 mg of nitrogen per gram of product as received. For more active products the mass of test may be reduced. The principle consists in mixing of a ground test portion with a buffered urea solution, after keeping the mixture for 30 min at 30 C, neutralization of the ammonia liberated, with an exess of hydrochloric acid solution, and back-titrati

isopublicstorageprod.blob.core.windows.net, retrieved 2026-08-05

Source

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