Lipid Analyses

Analysis and consultant services for environmental pollutants, toxicology, lipids and oil related compounds

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February 22, 2012

Sediment

Accreditated lipid and vitamin analyses in oils and food

Parameter	Method	Limit of Detection	amount of sample
Fatty acids	acidic deriv./GC-FID	2 µg for each fatty acid	0.2-2 mg oil/50 mg sample
Fatty acids in one or several lipid classes	HPLC/GC-FID		Contact Unilab
Fatty alcohols*	GC-FID	2 µg for each fatty alcohols	0.2-2 mg oil/50 mg sample
Fat content/total lipid content	Folch/gravimetric	2 mg	0.1 - 0.5 g
Iodine value / Iodine number	Fatty acid profile	2 µg for each fatty acid	0.2-2 mg oil/50 mg sample
Lipid classes*	HPLC-ELSD	0.1-0.2 mg pr lipid class	2 mg oil/100 mg sample
Metals (different metal packages - contact Unilab)
Peroxide value	Titration	0.5	10 ml oil
Acid value/ content of free fatty acids	Titration		10 ml oil
Dry matter/water content in oils/biological material	Gravimetric	2 mg
Vitamin A		**	100 ml oil
Vitamin E		**	100 ml oil
Vitamin D₂, D₃		**	100 ml oil
Vitamin K₁, K₃		**	100 ml oil

Accreditated environmental analyses in oils and food

Parameter	Method	Limit of detection	Amount of Sample
Dioxsins og furans	GC-MSD	**	100 ml
PAH (16 EPA-PAH), polycyklic aromatic hydrokarbons	GC-MSD	**	10-50 g
PAH-NPD (naphtalene, phenantrene/antracen, dibenzotiophene and theirs C₁-C₃ alkylhomologs)	GC-MSD	**	10-50 g
Chlorinated pesticides	GC-MSD	**	100 ml
PCB-7	GC-MSD	**	100 ml
PCB-WHO (plane PCB)	GC-MSD	**	100 ml
TBT, tin organic compounds	GC-FID	**	100 ml

** LOD/LOQ

Fatty acids

Fatty alcohols

Lipid classes

Dioxins/furans

PAH-NPD

PCB

TBT