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Review
. 2018 Nov 13:6:504.
doi: 10.3389/fchem.2018.00504. eCollection 2018.

Traditional Calibration Methods in Atomic Spectrometry and New Calibration Strategies for Inductively Coupled Plasma Mass Spectrometry

Jake A Carter  1 , Ariane I Barros  2 , Joaquim A Nóbrega  2 , George L Donati  1
Affiliations
Review

Traditional Calibration Methods in Atomic Spectrometry and New Calibration Strategies for Inductively Coupled Plasma Mass Spectrometry

Jake A Carter et al. Front Chem. .

Abstract

Applications, advantages, and limitations of the traditional external standard calibration, matrix-matched calibration, internal standardization, and standard additions, as well as the non-traditional interference standard method, standard dilution analysis, multi-isotope calibration, and multispecies calibration methods are discussed.

Keywords: interference standard method; internal standardization; matrix-matched calibration; multi-isotope calibration; multispecies calibration; standard additions; standard dilution analysis.

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Figures

Figure 1
Figure 1
SA calibration plot using four addition points (x1-x4). Extrapolation is represented by a broken line, and x0 is the sample with no standard addition.
Figure 2
Figure 2
Calibration plot used to determine Si in a 1% v/v HNO3 matrix by ICP-QMS (m/z = 28). No collision/reaction gas was used.
Figure 3
Figure 3
Calibration plot used to determine Si in a 1% v/v HNO3 matrix by ICP-QMS (m/z = 28) using the IFS method. The 38Ar+ ion was used as IFS species, and the analyte-to-IFS signal ratio was plotted on the y-axis. No collision/reaction gas was used.
Figure 4
Figure 4
SDA plot for the determination of Ba and Cu in Oyster Tissue (NIST 1566b) by ICP-MS. Yttrium was used as internal standard, and He flowing at 3.5 mL/min was used in the collision/reaction cell.
Figure 5
Figure 5
Calibration plots created from the SDA region (negative slopes) in Figure 4. The concentrations of Ba, Cu, and Y added to S1 were 50 μg/L each.
Figure 6
Figure 6
MICal plot used to determine Cd in a tap water sample spiked with 10 μg/L of the analyte. The concentration of Cd standard added to S1 [C(A)Std] was 30 μg/L. He flowing at 3.5 mL/min was used in the collision/reaction cell.
Figure 7
Figure 7
MICal plot used to determine Cd in a tap water sample spiked with 10 μg/L of the analyte. S1 and S2 were prepared with 70% of sample and 30% of standard solution or blank. The concentration of Cd standard added to S1 [C(A)Std] was 30 μg/L. He flowing at 3.5 mL/min was used in the collision/reaction cell.
Figure 8
Figure 8
Summary of the most adequate general applications for EC, IS, SA, IFS, SDA, MICal, and MSC.
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References

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