5. AOACSPDSMethods-2018AwardsV3

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Table 2018.04A. Precision results summary of the test materials

Repeatability

Intermediate precision

Sample

Analyte

Mean, % (w/w)

RSD r

, %

HorRat r

RSD

, %

HorRat

R

R

Zingerone 6-Gingerol 8-Gingerol 6-Shogaol 6-Paradol 10-Gingerol 8-Shogaol 10-Shogaol Zingerone 6-Gingerol 8-Gingerol 6-Shogaol 6-Paradol 10-Gingerol 8-Shogaol 10-Shogaol Zingerone 6-Gingerol 8-Gingerol 6-Shogaol 6-Paradol 10-Gingerol 8-Shogaol 10-Shogaol Zingerone 6-Gingerol 8-Gingerol 6-Shogaol 6-Paradol 10-Gingerol 8-Shogaol 10-Shogaol Zingerone 6-Gingerol 8-Gingerol 6-Shogaol 6-Paradol 10-Gingerol 8-Shogaol 10-Shogaol Total Total Total Total

NA b 1.01 1.23 1.59 1.51 1.14 4.33 0.96 1.15 1.64 0.92 3.30 0.82 1.48 1.22 0.54 2.12 1.18 0.65 2.40 0.30 0.64 4.01 1.25 1.02 0.35 1.19 1.73 0.48 0.52 0.90 0.97 NA 0.86 NA 0.53 NA

NA

NA

NA

251 a

0.231 0.230 0.290 0.204 0.222 0.631 0.154 0.292 0.274 0.272 0.752 0.186 0.254 0.296 0.096 0.422 0.381 0.069 0.211 0.029 0.092 0.517 0.341 0.214 0.075 0.186 0.386 0.081 0.098 0.269 0.218 NA 0.115 NA 0.060 NA

1.39 6.80 2.98 3.89 7.45 4.03 2.52 7.14 5.82 4.41 3.98 5.36 7.37 8.04 7.96 4.90 2.68 5.15 5.98 2.38 8.84 2.48 6.13 3.51 5.45 2.35 4.16 5.19 1.87 3.66 11.11 NA 3.16 NA 3.00 NA

0.320 1.268 0.540 1.476 0.751 1.074 0.641 0.638 1.182 1.718 1.002 0.900 0.911 1.764 1.415 1.579 1.571 0.285 0.450 0.580 0.345 1.129 0.672 1.288 0.748 0.846 0.523 0.696 0.977 0.555 0.826 NA 0.419 NA 0.340 NA

099 a

063 a

580 a

101 a

NA NA NA NA NA NA NA

NA NA NA NA NA NA NA

NA NA NA NA NA NA NA

NA NA NA NA NA NA NA

Total

0.97

0.218

3.66

0.826

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