AOAC RI Chemical Cont. Methods-2018 Awards

1438 Pang et al.: J ournal of AOAC I nternational V ol. 98, N o. 5, 2015

Table 2. The number of test data of AOAC collaborative study provided by 30 laboratories from 11 countries and regions

Results of precollaborative study

Results of target pesticides

Monitoring ions

Ion abundance

Calibration curve

GC/MS/ MS

LC/MS/

GC/MS/ MS

LC/MS/

GC/MS/ MS

LC/MS/

GC/MS/ MS

LC/MS/

GC/MS/ MS

LC/MS/ MS

Lab GC/MS

MS GC/MS

MS GC/MS

MS GC/MS

MS GC/MS

1 2 3 4 5 6 7 8 9

124 124 124 124

124

126 972 648 652 648 324 326

40 40 40 40

40

40

200 200 200

– a

–

972

– – – – – – –

–

648

– – – – – – –

–

– – – – – – –

–

200 200 100

– – – – – – –

–

– –

126 972 126 972

652 648 652 648

326 326

40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 38 40 40 – – – –

200 100

–

124

126

–

648 652

–

324 326

–

40

–

200 200

124

– – – –

126 972

652 648

326 326 326 326

40

200

100 200 100 200

–

126

–

652

–

–

–

124 124 124 124 124

126 972 126 972

652 648 652 648

40 40 40 40 40

200 200

10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

124

126 972 648 652 648 324 326

40

200 200 200

– –

126 972 126 972

– –

652 648 652 648

– –

326 326

– –

100 100

– –

–

100

–

124

126

–

648 652

–

324 326

–

40

–

200 200

124 124

– –

– –

972 972

– –

– –

648 648

– –

– –

40 40

– –

40

– –

– –

200

– – –

124

126 126 126

– – –

648 652

– – –

324 326

– – –

40

– –

200 200

–

–

652

–

326

–

– – – –

100 200

124

648 652

324 326

40

200 200

124

–

–

972

–

–

648

–

–

40

–

– –

– –

104 104

126

– –

608 652 608 534

– –

304 326 304 267

– –

40 40

– –

67

140 140

124

–

126 972

–

652 648

–

326

40

–

200

–

200

– –

124 124

126 124

– –

648 652 648 648

– –

324 326 324 324

– –

40 40

– – – – –

200 200 200 200

123

–

126 969

–

652 646

–

326

40

–

–

100

– –

118 124 118 124 124

–

– –

616

–

– –

308

–

– –

38 40 38 40 40

200

–

126

648 652

324 326

100 100

118

120 939 616 620 626 308 310

39

200 200

95

– –

126 126

– –

648 652 648 652

– –

324 326 324 326

– –

– –

200 200

200 200 Sum 1977 1808 3083 15516 9576 16146 10344 4788 8073 639 596 998 2740 2440 3735 Total 6868 41238 23205 2233 8915 a – = This method was not used.