NF EN ISO 660

NF EN ISO 660

September 2009
Standard Cancelled

Animal and vegetable fats and oils - Determination of acid value and acidity

ISO 660:2009 specifies three methods (two titrimetric and one potentiometric) for the determination of the acidity in animal and vegetable fats and oils. The acidity is expressed preferably as acid value, or alternatively as acidity calculated conventionally. ISO 660:2009 is applicable to refined and crude vegetable or animal fats and oils, soap stock fatty acids or technical fatty acids. The methods are not applicable to waxes. Since the methods are completely non-specific, they cannot be used to differentiate between mineral acids, free fatty acids, and other organic acids. The acid value, therefore, also includes any mineral acids that may be present.

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Main informations

Collections

National standards and national normative documents

Publication date

September 2009

Number of pages

15 p.

Reference

NF EN ISO 660

ICS Codes

67.200.10   Animal and vegetable fats and oils

Classification index

T60-204

Print number

1 - 31/08/2009

International kinship

European kinship

EN ISO 660:2009
Sumary
Animal and vegetable fats and oils - Determination of acid value and acidity

ISO 660:2009 specifies three methods (two titrimetric and one potentiometric) for the determination of the acidity in animal and vegetable fats and oils. The acidity is expressed preferably as acid value, or alternatively as acidity calculated conventionally.

ISO 660:2009 is applicable to refined and crude vegetable or animal fats and oils, soap stock fatty acids or technical fatty acids. The methods are not applicable to waxes.

Since the methods are completely non-specific, they cannot be used to differentiate between mineral acids, free fatty acids, and other organic acids. The acid value, therefore, also includes any mineral acids that may be present.

Replaced standards (1)
NF EN ISO 660
July 1999
Standard Cancelled
Animal and vegetable fats and oils. Determination of acid value and acidity.

Standard replaced by (1)
NF EN ISO 660
September 2020
Standard Current
Animal and vegetable fats and oils - Determination of acid value and acidity

<p>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.</p> <p>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.</p> <p>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.</p> <p>Milk and milk products (or fat coming from milk and milk products) are excluded from the Scope of this document.</p>

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