AOACSPIFANMethods-2017Awards

77

1718 Thompson et al.: J ournal of AOAC I nternational V ol. 98, N o. 6, 2015

Table 5. Precision and accuracy with SRM 1849a

SRM 1849a

Candidate method

Analyte

Units

Certified mean Certified range

Mean

Bias

Accuracy, % RSD ir

, %

n

Na

mg/100 g mg/100 g mg/100 g mg/100 g mg/100 g mg/100 g mg/100 g mg/100 g mg/100 g μg/100 g μg/100 g μg/100 g

426.5 164.8 399.0 922.0 525.3 107.2 4.959 17.56 1.978

418.2–434.8 161.2–168.4 385.0–413.0 911.0–933.0 520.2–530.4 104.0–110.4 17.27–17.85 1.952–2.004 14.54–15.66 4.8–5.056

9 9 9 9 9 9 9 9 9 9 9 9

429 163 430 929 534 105 4.85 17.4 1.93 15.4 81.7

2.5

100.6

0.98

Mg

–2.1 30.6

98.7

2.2 1.4 1.9 1.4 2.3 2.1 1.2 2.7 2.0 1.0 1.2

P K

107.7 100.7 101.7

6.6 8.7

Ca

Cr

–2.5 –0.1 –0.2 –0.1

97.7 98.6 99.1 97.6

Mn

Fe

Cu

Zn Se Mo

15.1 81.2

0.3 0.5

102.0 100.6

78.3–84.1

170.7

166.7–174.7

164

–6.5

96.2

Table 6. Recovery in SPIFAN matrixes Matrix/ SPIFAN No. Parameter Na Mg

P

K

Ca

Cr

Mn

Fe

Cu

Zn

Se

Mo

Recovery, % 100.2 99.2 109.0 105.1 104.1 98.0 99.7 99.3 105.7 108.0 105.2 93.3 RSD, % 4.4 9.0 2.8 8.2 14.1 2.8 8.0 9.1 6.3 11.4 7.0 3.1 Recovery, % 105.2 92.8 100.2 92.4 98.6 98.0 94.3 97.3 91.3 94.1 103.6 92.0 RSD, % 5.9 9.9 5.5 11.1 8.4 2.5 4.4 8.1 4.1 2.8 4.9 2.7 Recovery, % 105.4 104.2 100.0 102.6 100.7 103.7 99.5 98.3 104.6 97.4 102.8 97.4 RSD, % 2.7 4.0 2.9 1.3 4.2 1.6 5.6 3.7 1.4 4.1 4.1 4.6 Recovery, % 102.8 102.0 98.1 107.9 99.6 100.5 100.5 98.8 99.3 97.3 99.3 95.4 RSD, % 5.5 8.3 6.8 5.3 8.0 4.8 4.8 7.4 4.0 5.3 3.3 8.1 Recovery, % 105.6 104.0 106.2 104.6 103.2 101.5 95.3 101.1 95.3 98.0 103.6 96.2 RSD, % 6.8 9.8 3.2 10.6 7.5 2.5 0.7 2.2 0.7 1.1 4.8 2.1 Recovery, % 105.7 100.2 107.3 99.2 101.1 101.5 99.6 99.8 99.4 97.0 105.5 96.9 RSD, % 10.8 4.5 1.3 10.4 12.5 8.8 5.6 5.2 1.4 3.8 4.6 2.7 Recovery, % 102.2 100.8 102.2 104.4 98.6 108.8 99.6 98.4 89.8 98.9 105.6 92.5 RSD, % 4.5 9.0 6.8 16.0 3.5 10.3 5.5 4.6 2.1 3.2 4.7 2.5 Recovery, % 101.3 103.5 101.5 100.5 98.4 90.1 98.9 97.1 102.4 96.8 99.5 95.2 RSD, % 2.3 5.2 6.8 7.1 8.6 1.1 7.0 6.3 8.6 5.8 2.3 5.7 Recovery, % 99.8 103.3 100.1 98.0 100.2 91.0 101.2 96.8 97.8 95.2 101.2 107.9 RSD, % 3.6 11.3 2.7 6.6 9.7 3.0 0.6 6.5 4.8 4.5 2.3 1.0 Recovery, % 105.6 103.3 107.6 110.2 102.5 107.8 94.9 96.9 93.8 95.4 102.9 93.1 RSD, % 7.6 8.8 5.3 11.8 11.8 1.5 3.5 4.6 1.0 2.7 6.0 1.2 Recovery, % 103.2 93.0 99.9 108.4 90.2 103.3 93.5 92.8 91.7 93.0 100.7 92.3 RSD, % 5.3 2.7 2.9 13.5 4.0 6.1 2.2 3.8 2.9 1.5 4.9 5.4

A-RTF, high fat 00406RF00 a

A-RTF, high protein 00414RF00

AP, milk protein 11750017V3 b

AP, low fat 00394RF00 PP 00412RF00 c IP, elemental 00403RF00 d IP, milk D04HTCVV

IP, milk, partially hydrolyzed 1172572116 IP, soy, partially hydrolyzed 117257651Z

I-RTF, soy E29JVLV e I-RTF, milk control

a  A-RTF = Adult ready-to-feed formula. b  AP = Adult powder formula. c  PP = Pediatric powder formula. d  IP = Infant powder formula. e  I-RTF = Infant ready-to-feed formula.