MCPD WG Meeting Book (May 18, 2017)

Working Document (MCPD ESTERS & GE)

data. Expressed as the reproducibility relative standard deviation (SD R ); or % reproducibility

97

relative standard deviation (% RSD R ).

98 99 100 101 102 103

4. Method Performance Requirements:

3-MCPD

3-MCPD * in dry samples (powder) 25 – 500 *µg/kg

3-MCPD * Liquid in liquid samples

Analytical range

3 – 60 * µg/kg

LOD LOQ

N/A

N/A

≤ 25 * µg/kg

≤ 3 * µg/kg

Accuracy (from spiked recovery)

75-110%

75-110%

% RSD r %RSD R

≤ 14% ≤ 20%

≤ 14%

Selectivity Study * overall analyted content resulting either from separate or from combined determination of free 3-MCPD and bound 3-MCPD.

104 105 106 107

2-MCPD

2-MCPD ** in dry samples (powder)

2-MCPD** Liquid in liquid samples

Analytical range LOD LOQ Accuracy (from spiked recovery)

% RSD r %RSD R Selectivity Study ** overall analyted content resulting either from separate or from combined determination of free 2-MCPD and bound 2-MCPD

108 109

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