Određivanje elemenata u kosi metodom ICP-MS

Određivanje bilateralne asimetrije u mamografskim slikama

Sažetak Karcinom dojke najčešći je oblik karcinoma kod žena. Rana detekcija i dijagnoza karcinoma dojke omogućene mamografskim pregledima omogućuju pravovremeno liječenje i povećavaju mogućnosti potpunog izlječenja. Kako bi se radiolozima pomoglo u donošenju ispravne i pravovremene dijagnoze razvijaju se računalni programi koji analiziraju mamografske slike te detektiraju promjene u dojkama. Je...

Agilent 8800 Triple Quadrupole ICP-MS: Understanding oxygen reaction mode in ICP-MS/MS

The use of oxygen as a reaction gas for the removal of interferences in quadrupole ICP-MS is well established. However, prior to the development of the Agilent 8800 Triple Quadrupole ICP-MS (ICP-QQQ), the use of oxygen had been limited to determination of a small number of analytes in simple, well defined matrices. This is because oxygen can react with matrix components, analytes and polyatomic...

Practical Guide to ICP-MS

Chemical Abrasion Applied to LA-ICP-MS U–Pb Zircon Geochronology

Zircon (ZrSiO4) is the most commonly used mineral in U–Pb geochronology. Although it has proven to be a robust chronometer, it can suffer from Pb-loss or elevated common Pb, both of which impede precision and accuracy of age determinations. Chemical abrasion of zircon involves thermal annealing followed by relatively low temperature partial dissolution in HF acid. It was specifically developed ...

ICP-OES, ICP-MS and AAS Techniques Compared

This article will briefly describe these three techniques, and point out the important criteria by which to judge their applicability to your own analytical problems. Table 1 below shows a checklist of common analytical requirements and may help in the assessment of the techniques. For many people with an ICP-OES background, ICP-MS is a plasma with a mass spectrometer as a detector. Mass spectr...