Table Info

Table 2.

Analytical parameters of the calibration curve of nitrite on MWCNTs/Pt using the SWV method

Analytical parameters	0.1 M PBS (pH = 7)
Peak potential, V	0.67
Linearity range, µM	1.0–1,000
Slope, µA/µM	0.028
Intercept, µA	–0.219
Correlation coefficient	0.995
SE of slope	0.0006
SE of intercept	0.001
LOD, µM	0.10
LOQ, µM	0.35
Within-day of peak current (RSD %)^a	0.32
Within-day of peak potential (RSD %)^a	0.02
Between-day of peak current (RSD %)^a	1.89
Between-day of peak potential (RSD %)^a	0.10

^a Obtained from five measurements. PBS: phosphate-buffered solution; SE: standard error; LOD: limit of detection; RSD: relative standard deviation

Declarations

Author contributions

MD: Conceptualization, Writing—original draft, Writing—review & editing, Investigation, Supervision. NKB: Investigation, Validation, Writing—review & editing. BS: Investigation. MT and SAO: Writing—review & editing. All authors read and approved the submitted version.

Conflicts of interest

The authors declare have no conflict of interest in financial, personal, or other relationships with other people, laboratories, or organizations.

Ethical approval

Not applicable.

Consent to participate

Not applicable.

Consent to publication

Not applicable.

Availability of data and materials

The raw data supporting the conclusions of this manuscript will be made available by the authors, without undue reservation, to any qualified researcher.

Funding

Not applicable.

Copyright

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