Olive oils and olive-pomace oils. Determination of aliphatic alcohols content by capillary gas chromatography

BS ISO 12871:2010 Olive oils and olive-pomace oils. Determination of aliphatic alcohols content by capillary gas chromatography

BS ISO 12871 is an International Standard which specifies a procedure for the determination of the content, as a mass fraction expressed as milligrams per kilogram, of aliphatic alcohols in olive oils and olive-pomace oils.

Contents of BS ISO 12871:

Foreword

Introduction

1 Scope

2 Normative references

3 Terms and definitions

4 Principle

5 Reagents

6 Apparatus

7 Sampling

8 Preparation of the test sample

9 Procedure

9.1 Preparation of the unsaponifiable matter

9.2 Separation of alcoholic fractions

9.3 Preparation of the trimethylsilyl ethers

9.4 Gas chromatographic analysis

10 Precision

10.1 Interlaboratory test

10.2 Repeatability

10.3 Reproducibility

11 Test report

Annex A (informative) Determination of the linear velocity of the gas

Annex B (informative) Results of an interlaboratory test

Bibliography