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SRPS ISO 5506:2001

Soya bean products — Determination of urease activity

Dec 15, 2001
Dec 15, 2001
95.99   Withdrawal of Standard   Oct 31, 2019

General information

95.99     Oct 31, 2019

ISS

E034-2,11

International Standard

65.120     67.200.20  

Serbian  

Terms

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Scope

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-titration with standard volumetric hydroxide solution.

Life cycle

NOW

WITHDRAWN
SRPS ISO 5506:2001
95.99 Withdrawal of Standard
Oct 31, 2019

REVISED BY

PUBLISHED
SRPS ISO 5506:2019

Related project

Adopted from ISO 5506:1988