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Norm
ÖNORM EN ISO 660
Issue date: 2020 12 15
Animal and vegetable fats and oils - Determination of acid value and acidity (ISO 660:2020)
This document specifies three methods (two titrimetric and one potentiometric) for the determination of acidity in animal and vegetable fats and oils, hereinafter referre...
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Valid
Publisher:
Austrian Standards International
Format:
Digital | 18 Pages
Language:
German
| English
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Optionally co-design standards:
ICS
This document specifies three methods (two titrimetric and one potentiometric) for the determination of acidity in animal and vegetable fats and oils, hereinafter referred to as “fats”. The acidity is expressed preferably as acid value or, alternatively, as acidity calculated conventionally.
This document is applicable to refined and crude vegetable or animal fats and oils, soap stock fatty acids or technical fatty acids. It does not apply to waxes.
Since the methods are completely non-specific, they do not apply to differentiating between mineral acids, free fatty acids and other organic acids. The acid value, therefore, includes any mineral acids that are present.
Milk and milk products (or fat coming from milk and milk products) are excluded from the Scope of this document.
ÖNORM EN ISO 660
2020 12 15
Animal and vegetable fats and oils - Determination of acid value and acidity (ISO 660:2020)
Norm
↖
ÖNORM EN ISO 660
2009 11 01
Animal and vegetable fats and oils - Determination of acid value and acidity (ISO 660:2009)
Norm
ÖNORM EN ISO 660
2005 11 01
Animal and vegetable fats and oils - Determination of acid value and acidity (ISO 660:1996 + Amd.1:2...
Norm
ÖNORM EN ISO 660
1999 07 01
Animal and vegetable fats and oils - Determination of acid value and acidity (ISO 660:1996)
Norm
Norm
ISO 3696:1987
Issue date :
1987 04 09
Water for analytical laboratory use — Specification and test methods