BS ISO 3890-2:2009 Milk and milk products. Determination of residues of organochlorine compounds (pesticides). Test methods for crude extract purification and confirmation
BS ISO 3890-2 specifies test methods for the purification of the crude extracts obtained by the general methods given in BS ISO 3890-2. It also gives recommended methods for the determination of the residues of organochlorine compounds in milk and milk products, together with confirmatory tests and clean-up procedures.
Contents BS ISO 3890-2:
Foreword
1 Scope
2 Normative references
3 Method A: Liquid-liquid partitioning with acetonitrile and clean-up on a Florisil column
4 Method B: Liquid-liquid partitioning with dimethylformamide (DMF) and clean-up on an alumina column
5 Method C: Liquid-liquid partitioning with dimethylformamide (DMF) and clean-up on a Florisil1) column
6 Method D: Column chromatography on aluminium oxide of precisely defined activity
7 Method E: Column chromatography on alumina column
8 Method F: Column chromatography on partially deactivated Florisil1)
9 Method G: Column chromatography on partially deactivated silica gel
10 Method H: Gel-permeation chromatography
11 Confirmatory tests and additional clean-up procedure
12 Additional clean-up procedure
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