AOAC 2018 Methods
Table 2018.03D: Preparation of the calibration curve for 2-MCPD and 3-MCPD. Volume to be pipetted from, [µL] Cal 0 Cal 1 Cal 2 Cal 3 Cal 4 Cal 5
Cal 6
Cal 7
2-MCPD and 3-MCPD pooled working solution I (5 µg/ml) 2-MCPD and 3-MCPD pooled working solution II (0.5 µg/ml) d5-2-MCPD and d5-3-MCPD pooled ISTD working solution (1 µg/mL)
0
0
0
0
0
30
100
300
0
10
20
40
100
0
0
0
100
100
100
100
100
100
100
100
Equivalent to (µg in vial) 2- & 3 -MCPD
Cal 0
Cal 1
Cal 2
Cal 3
Cal 4
Cal 5
Cal 6
Cal 7
0
0.005 0.010
0.02
0.05
0.15
0.5
1.5
2- & 3 -MCPD-d5
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
Equivalent to (mg/kg in sample) Cal 0
Cal 1
Cal 2
Cal 3
Cal 4
Cal 5
Cal 6
Cal 7
2- & 3 -MCPD
0
0.0025
0.05
0.01
0.025 0.075
0.25
0.75
2- &3 -MCPD-d5
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
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