General chemical measurements

* Starred measurements have not been accredited according to the ISO 17025 standard

  • Ash in fish and feed
  • Fat in fish and feed
  • Protein (Kjeldahl) in flour
  • Salt (NaCl, AOAC) in fish, fish products and meal
  • Salt (NaCl, Persistent)
  • Water in fish, fish products and fishmeal
  • Ammonia in fish flesh and fishmeal
  • TVN, total amount of wandering base in fish flesh and fishmeal
  • * Anisidine COD in Water Drip (water loss during thawing)
  • * Drip (water loss with thawing)
  • * Enterotoxin from Staphylococcus aureus
  • * Fat measurement
  • * Fatty acid analysis (pure fat)
  • * Fatty acid analysis with extracts
  • * Phosphatase test
  • * Grugg
  • * Roe filling (amount of roe in capelin)
  • * Ice skin
  • * Iodine number
  • * Chlorine in water
  • * Conductivity in water
  • * Drug residues in milk
  • * Nitrate (NO3) and Nitrite (NO2) in water
  • * Unbound fatty acids in fish oil
  • * Unsaponifiable
  • * Peroxide number
  • * Rotamine
  • * Saltfree ash
  • * Storchs test
  • * PH in water
  • * PH pH
  • * TBA value
  • * Titration at pH
  • * TMA, trimethylamine
  • * Totox
  • * TVB (Total volatile bases)
  • * TVN and TMA
  • * Water of roe (amount of water in capelinroe)
  • * Water holding capacity (Waterholding capacity)
  • * Water-soluble protein
  • * Water measurement with toluene
  • * Persistent organic pollutants
  • * Chlorinated pesticides

Further information

The measurement uncertainty of chemical measurements is based on the 95% safety limit (k = 2).
The reported uncertanty is an expanded uncertanty calculated using a coverage factor of 2 which gives a level of confidence of approx. 95%.

Research item: Decision for analyzing total fat in fish and fish meal / Method for analyzing total fat in fish and fish meal.
Identity: AE 1
Source: AOCS Ba 3-38 (1997) Application note Tecator no. AN 301
Measurement uncertainty: 8%
Responsible party: Professional leader in chemical research

Research item: Measurement of salt in fish meal w / Titrino
Identity: AE 2
Source: AOAC (2000) .17th ed no.976.18
Measurement uncertainty: 1%
Responsible party: Professional leader in chemical research

Research item: Raw protein with Kjeldahl in flour, feed products and fish / Method for analyzing protein in fish or fishmeal
Identity: AE 3
Source: ISO 5983-2 (2005) (E Application for Tecator)
Measurement uncertainty: 3%
Responsible party: Professional leader in chemical research

Research item: Vatnsákvörðun í fiski, fiskafurður og fiskimjöl / Method for analyzing water in fishmeal or fish
Identity: AE 4
Source: ISO 6496-1999 (E), mod.
Measurement uncertainty: 4%
Responsible party: Professional leader in chemical research

Research item: Decision for analyzing ash in fishmeal and feed / Method for analyzing ash in fishmeal and feed
Identity: AE 5
Source: ISO 5984-2002 (E)
Measurement uncertainty: 6% (fish / fish), 10% (fishmeal)
Responsible party: Professional leader in chemical research

Research item: TVB-N in fishmeal / fishmeal / Measurements of TVB-N in fish and fishmeal
Identity: AE 6
Source: AOAC (2000) .17th ed. no. 920.03
Measurement uncertainty: 9%
Responsible party: Professional leader in chemical research

Research item: Salt, boiling method / Salt, boiling
Identity: AE 7a
Source: AOAC 937.09 17th ed. 2000
Measurement uncertainty: 10% (fishmeal)
Responsible party: Professional leader in chemical research

Research item: Protein determination in fishmeal
Identity: AE 8
Source: prEN ISO 16634-1 2008 and implementation for rapid N devices from Elementar
Measurement uncertainty: 1%
Responsible party: Professional leader in chemical research

Research item: Histamine
Identity: AE 9
Source: §35 LMBG L 10.00-5, HPLC (1999-11)
Responsible party: Professional leader in chemical research

EN