In this note, we adopted Nd YAG UV 213 nm LA-ICP-MS to determine trace element concentrations of glass beads prepared from a series of geological reference materials (GRMs).
To determine trace element concentrations, 50 mg of feather powder was digested in 1 ml of nitric acid (69 70%) and 0.5 ml of hydrogen peroxide (30%) using Teflon® bombs during 12 hours at 60°C.
Metal pollution index (MPI) was computed to determine overall trace elements concentrations in different foodstuff analysed.
The first composited quarter-section was digested with concentrated acid using microwave digestion followed by analysis to determine 52 trace elements using high-resolution inductively coupled plasma mass spectrometry (Finnigan Element 2; Thermo Fisher Scientific, Waltham, MA, USA) (Herner et al. 2006).
In other cases the analyses may involve determining the trace elements present (e.g., mercury, chlorine), which may influence the suitability of a coal for a particular purpose or help to establish methods for reducing environmental pollution and so forth.
We determine the trace element and stable isotope composition of each morphotype for different size fractions, to test the validity of pooling these morphotypes for the purposes of generating geochemical proxy datasets and to assess any ontogenetic variations in depth habitat.
To determine the trace element concentrations in HOFA, an inductively coupled plasma-mass atomic spectrometry (ICP-MS) examination was used.
The samples were decomposed by pressurized HF-HNO3 mixture in sealed Teflon beakers to determine the trace element content.
Pressurized liquid extraction (PLE), commonly used for organic compounds extraction, has been applied for trace element leaching from marine biological material in order to determine major and trace elements (Al, As, Cd, Co, Cu, Fe, Hg, Li, Mn, Pb, Se, Sr, V and Zn).
