Development of a reference measurement procedure for the determination of methylmercury in fish products
✍ Scribed by Sébastien Sannac; Paola Fisicaro; Guillaume Labarraque; Florence Pannier; Martine Potin-Gautier
- Publisher
- Springer-Verlag
- Year
- 2009
- Tongue
- English
- Weight
- 293 KB
- Volume
- 14
- Category
- Article
- ISSN
- 0949-1775
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## Abstract The development of a rapid, precise and accurate analytical method for the determination of methylmercury in tuna fish samples is described. The method is based on the use of isotope dilution GC/MS with electron impact ionization, a widespread technique in routine testing laboratories.
## Abstract The method is based on the fact that polypeptides which are soluble in 4% trichloro‐acetic acid (TCA) and certain proteins are precipitated if the TCA concentration is increased. The maximum turbidity produced by TCA at a concentration of 25% is measured at 440 nm. Bacitracin B is used