AOAC SPIFAN WPC ERP-Final Action Review (Nov. 2017)

2016.15 (Nov. 2017) - WPC-31 MLT-Final Action Review

FOR ERP USE ONLY DO NOT DISTRIBUTE

Table 2016.15D: Statistical analysis of spike recoveries (5 laboratories, 2 different instruments)

Spike-Recovery Level

Level 1

Level 2

Level 3

Reference Value (%whey added)

19.70 18.80

38.90 37.51

54.90 54.26

Median / Mean of results (%whey added)

Standard Deviation

1.23

1.62

1.98

Recovery

95.40%

96.40%

98.80%

SD(Recovery)

0.01 0.03

0.01 0.02

0.01 0.01

SD(Rec)corrected RSD(Rec)corrected

2.60%

2.00%

0.60%

Note: Statistical analysis was done using Nestlé’s Qstat statistical package