ISO 5547:1978
Caseins; Determination of free acidity (Reference method)

Standard No.

ISO 5547:1978

Release Date

1978

Published By

International Organization for Standardization (ISO)

Status

Withdraw 2008-01

Replace By

ISO 5547:2008

Latest

ISO 5547:2008

Scope

Covers both caseins obtained by acid precipitation or lactic fermentation and rennet caseins. The principle of determination is based on the aqueous extraction of a test portion at 60 degrees centigrade, filtration and titration of the filtrate with a standard volumetric sodium hydroxide solution using phenophthalein as indicator.

ISO 5547:1978 history

• 2008 ISO 5547:2008 Caseins - Determination of free acidity (Reference method)
• 1978 ISO 5547:1978 Caseins; Determination of free acidity (Reference method)