BS ISO 6885:2006,Animal and vegetable fats and oils — Determination of anisidine value.BS ISO 6885:2006 pdf free download here.
BS ISO 6885:2006 specifies a method for the determination of the anisidine value in animal and vegetable fats and oils. This is a measure of the amount of aldehydes present (principally alpha, beta-unsaturated aldehydes).
2 Normative references
ISO 661, Animal and vegetable fats and oils – Preparation of test sample;
ISO 3696, Water for analytical laboratory use – Specification and test methods.
7 Sampling
A representative sample should have been sent to the laboratory. It should not have been damaged or changed during transport or storage.
Sampling is not part of the method specified in this Intemational Standard. A recommended sampling method is given in ISO 5555.
8 Preparation of test sample
Prepare the test sample in accordance with ISO 661.
If the moisture content of the sample is greater than 0, 10 % (mass fraction), it should be dried using the following procedure.