MCPD WG Meeting Book (May 18, 2017)

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Working Document
(MCPD ESTERS & GE)
3
data. Expressed as the reproducibility relative standard deviation (SDR); or % reproducibility 97
relative standard deviation (% RSDR). 98
99
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4. Method Performance Requirements: 101
3-MCPD 102
103
3-MCPD *
in dry samples
(powder)
3-MCPD*
Liquid in liquid samples
Analytical range 25 – 500 *µg/kg 3 – 60 * µg/kg
LOD N/A N/A
LOQ ≤ 25 * µg/kg ≤ 3 * µg/kg
Accuracy (from spiked recovery) 75-110% 75-110%
% RSDr ≤ 14% ≤ 14%
%RSDR ≤ 20%
Selectivity Study
* overall analyted content resulting either from separate or from combined
determination of free 3-MCPD and bound 3-MCPD.
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2-MCPD 106
107
2-MCPD **
in dry samples
(powder)
2-MCPD**
Liquid in liquid samples
Analytical range
LOD
LOQ
Accuracy (from spiked recovery)
% RSDr
%RSDR
Selectivity Study
** overall analyted content resulting either from separate or from combined
determination of free 2-MCPD and bound 2-MCPD
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109