SPIFAN Nutrients ERP Book_9-29-15

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LOD and LOQ:

Table 2. Determination of LOD and LOQ by measuring 24 blanks calculated according to appendix L: "AOAC Recommended Guidelines.."

Lower lineair limit PLOQ mg/100g b

Sample PLOQ

Instrument

LOD mg/100g a

LOQ mg/100g a

mg/100g c

Analyte

Ca Cu Fe

0,1

0,4

5

125 0,05 1,25

0,002

0,010

0,002

0,09

0,2

0,05

K

2,6

6

0,6

15 25

Mg Mn

0,03

0,09

1

0,001

0,003

0,002

0,05

Na

0,2

0,5

0,2 0,5

5

P

0,01

0,04 0,01

12,5

Zn 0,25 a Calculated by multiplying the LOD and LOQ by a dilution factor 25. b PLOQ is equivalent to the lower limit of the calibration curve. c Calculated by multiplying the PLOQ by a dilution factor of 25. 0,004 0,01

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