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Table 3 Comparison of experimental results with labelled values

From: Sensitive and selective determination of vitamin B2 in non-alcoholic beverage and milk samples at poly (glutamic acid)/zinc oxide nanoparticles modified carbon paste electrode

Sample

Labelled

Experimental ± SD

Relative error (%)

tcal

Malt Guinness

0.18 mg/100 ml

0.19 mg/100 ml ± 0.015

5.1

1.15

Nido milk

1.4 mg/100 g

1.46 mg/100 g ± 0.025

4.3

4.1

  1. SD Standard deviation for three replicate measurements. t2 = 4.3 (P = 0.05)
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BMC Chemistry

ISSN: 2661-801X

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