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Chemical analysis

Akvaplan-niva provides a wide range of accredited chemical analyses (NS-EN ISO-IEC 17025), and offers analyses related to environment, aquaculture, fisheries, various biological samples and petroleum.

Our analytical instruments are applicable to routine analyses as well as research projects. Methods may be optimized to customer specifications and needs.

  • Pollutants in sediments, water, oils, feeds, fish, seafood
  • Pollutants related to fishfarms
  • Grain size distribution of sediments and soil
  • Contaminated soil
  • Characterisation and/or fingerprinting of crude oil and petroleum products
  • Mercury analysis in biota


ParameterMatrixAccreditedDetection limitMethod reference
TS/Dry matterSedimentNANS 4764  (1980)
TOM/Total Organic MatterSedimentNAInternal method based on NS 4764 (1980)
TOCSedimentNANDIR-detection. Internal method based on

DIN 19539:2016

Total NSediment0,05 mg/g TSInternal method based on NS-EN 16168:2012
THC/Total HydrocarbonsSediment1 mg/kg TSAccelerated Solvent Extraction, GC-fid


0,05-1,3 mg/kg TS

0,2–7 mg/kg

Accelerated Solvent Extraction, GCMSD

Saponification, extraction, GCMSD

EOM (lipids)Biota0,2 wt%Folch, gravimetry
Hg/MercuryBiota0,37 µg/kgDMA-80 / EPA 7473
Grain size distributionSediment/soilNA
Density, API gravityCrude oil/petroleum productsNAMethod based on ASTM D5002:16

ASTM D4052:16

Digital densitometer

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