Sentence examples for elements determination in from inspiring English sources
A direct method for dynamic reaction cell inductively coupled plasma- mass spectrometry (DRC-ICP-MS) trace mineral elements determination in seawater was optimized by Experimental Statistical Design.
Table 8 Measurement uncertainty of elements determination in plant aqueous extracts and plant dry mass Element Measurement uncertainty, % (k = 2) Plant aqueous extracts Plant dry mass Cd 5.8 8.7 Cr 7.5 8.8 Cu 5.7 8.9 Fe 8.2 8.3 Mn 6.2 6.4 Ni 6.6 8.8 Zn 5.9 6.3 As 7.7 9.8.
These differences highlight the need to standardize the collection site for trace element determination in pinnipeds.
The applicability and the analytical performance of the system were tested by simultaneous element determination in a graphite furnace, using eight different elements.
A microwave-assisted digestion procedure using diluted HNO3 and H2O2 was developed for multi-element determination in guarana samples by ICP OES.
A new prompt-gamma neutron activation analysis (PGNAA) setup has been designed for element determination in aqueous solution with a 300 mCi 241Am Be neutron source and a 4 in.×3 in.
Limits of detection are close to those for sequential single element determination in Flame AAS with primary line source that is 50 1000 times higher than the limits obtainable with common ETAAS Electrothermal Atomic Absorption Spectrometryy) instrumentation.
A low power ICP OES was used, after optimization of operating parameters in order to achieve both plasma robustness and maximum signal to background ratios, favorable for trace element determinations in real samples.
The method was finally validated by analyzing TORT-1 and GBW-08571 certified reference materials and it was successfully applied to fast multi-element determinations in several raft mussel samples.
Vapor generation is illustrated as sample introduction technique for trace element determination and speciation in atomic spectrometry.
After 72 h of exposure, the aerial part and roots were separated and dried prior to element determination or snap-frozen in liquid nitrogen, then stored at –80 °C, prior to the other analysis.
