Measurement evidence
Highly sensitive and selective electrochemical sensor for carbendazim detection in fruit juice using novel bi-metallic metal organic framework anchored graphite rod electrode · Dey B., Kushwaha K.S., Ullah I. et al. · Inorganic Chemistry Communications · 2025 · 114643
Reported values remain attached to the sample, method, conditions, extraction quality and source location that produced them.
Self-standing Ni-Fe(PDC)/GR electrode · Electrode
0.1 M PBS pH 7; carbendazim concentrations 2.5-100 uM; scan rate 25 mV s^-1.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| CV anodic peak current concentration calibration slope | I (mA) = 0.00325 c (uM) + 0.18841; R2 = 0.99684 | — | R2 = 0.99684 | Text Exact Reported | 8 · 3.7. Cyclic voltammetry study · Fig. 6b |
Self-standing Ni-Fe(PDC)/GR electrode · Electrode
0.1 M pH 7 PBS; carbendazim concentrations 0.05-320 uM; potential range 0.3-1.3 V; pulse width 0.05 s and amplitude 50 mV.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| DPV peak current concentration calibration slope | I (uA) = 0.55347 c (uM) + 157.9651; R2 = 0.99876 | — | R2 = 0.99876 | Text Exact Reported | 8 · 3.8. Differential pulse voltammetry study · Fig. 7b |
| DPV linear sensing rangeMarked as a best value within this paper | 0.05-320 uM | — | — | Text Range | 8 · 3.8. Differential pulse voltammetry study · Fig. 7a and Table 1 |
| analytical sensitivityMarked as a best value within this paper | 50.77 uA uM^-1 cm^-2 | — | — | Text Exact Reported | 8 · 3.8. Differential pulse voltammetry study |
| limit of detection reported in abstract | 2.3 nM | 0.0023 uM | — | Text Exact Reported | 1 · Abstract |
| limit of detectionMarked as a best value within this paper | 3.2 nM | 0.0032 uM | S/N = 3 | Text Exact Reported | 8 · 3.8. Differential pulse voltammetry study · Table 1 |
| limit of quantificationMarked as a best value within this paper | 7.7 nM | 0.0077 uM | — | Text Exact Reported | 8 · 3.8. Differential pulse voltammetry study |
Self-standing Ni-Fe(PDC)/GR electrode · Electrode
Constant voltage 1.01 V; sequential additions of CD and interferents including CP, FT, GP, DL, MT, MP, AM, FD, BN, Pb2+, Cd2+ and Cr3+.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| relative current change from interferentsMarked as a best value within this paper | 0.15-1.25 % | — | — | Text Range | 9 · 3.9. Interference, stability, and reproducibility · Fig. 8b |
Ni-Fe(PDC)/GR in spiked strawberry and apple juice · Electrode
Strawberry and apple juice homogenates centrifuged, filtered, diluted 100 times with 0.1 M PBS pH 7.0, spiked with carbendazim, and analysed by DPV with HPLC comparison.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| apple juice DPV calibration slope | I (uA) = 0.45637 c (uM) + 157.87413; R2 = 0.99929 | — | R2 = 0.99929 | Text Exact Reported | 9 · 3.10. Real sample analysis · Fig. 9d |
| RSD range for real-sample determinations | 1.12-3.94 % | — | five continuous determinations; table footnote says RSD of three individual measurements (n = 5) | Table Range | 10 · 3.10. Real sample analysis · Table 2 |
| DPV recovery range in strawberry and apple juiceMarked as a best value within this paper | 98.2-104.7 % | — | — | Table Range | 10 · 3.10. Real sample analysis · Table 2 |
| HPLC recovery range in strawberry and apple juice | 96.8-104.6 % | — | — | Table Range | 10 · 3.10. Real sample analysis · Table 2 |
| strawberry juice DPV calibration slope | I (uA) = 0.74446 c (uM) + 153.40693; R2 = 0.99745 | — | R2 = 0.99745 | Text Exact Reported | 9 · 3.10. Real sample analysis · Fig. 9b |
Self-standing Ni-Fe(PDC)/GR electrode · Electrode
Electrode stored in freezer for one month; CV/DPV responses monitored for 50 uM and 10/25 uM carbendazim; six equivalent electrodes and ten repeated DPV estimations.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| ten-run repeatability RSD | 2.65 % | — | ten subsequent DPV estimations | Text Exact Reported | 9 · 3.9. Interference, stability, and reproducibility · Fig. 8e |
| six-electrode reproducibility RSD | 3.21 % (n = 5) | — | n = 5 | Text Exact Reported | 9 · 3.9. Interference, stability, and reproducibility · Fig. 8d |
| current retention after 31 days storageMarked as a best value within this paper | 97.31 % | — | — | Text Exact Reported | 9 · 3.9. Interference, stability, and reproducibility · Fig. 8c |