GOST EN 13804-2013 Foodstuffs Determination of trace elements Performance criteria general considerations and sample preparation《食品 微量元素的测定 性能标准 通用考量和样品制备》.pdf

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1、 , (EN 13804:2002, IDT) , ()INTERSTATE COUNCIL FOR STANDARDIZATION, METROLOGY AND CERTIFICATION(ISC) EN138042013, - 1.092 . - 1.22009 . , . -, , , 1 - ( ).2 ()3 , (- 25 2013 . 55-) : ( 3166) 00497 ( 3166) 00497 BYKZKGRUTJUZ 4 27 2013 . 238- EN 138042013 1 2014 .5 13804:2002 Foodstuffs.Determination

2、of trace elements. Performance criteria, general considerations and sample preparation (- . . , ). (en). , - , . (IDT)6 1380420107 -, - . () . , - - , 2014 -, II EN 1380420131 .12 13 14 .35 .36 .47 68 89 910 910 () 11III EN 138042013 , Foodstuffs. Determination of trace elements. Performance criteri

3、a, general considerations and sample preparation1 , , 1). ( ) , , ,.- .2 , - . ,- , . , .ISO 5725-1:1994 Accuracy (trueness and precision) of measurement methods and results. Part 1.General principles and definitions ( ) . 1. ISO 5725-2:1994 Accuracy (trueness and precision) of measurement methods a

4、nd results. Part 2. Basicmethod for the determination of repeatability and reproducibility of a standard measurement method ( ) . 2. - ISO/IEC 17025 Generalrequirementsforthecompetenceoftestingandcalibrationlaboratories( )3 .3.1 (method validation): , -, - .1) , , , , , - .1 EN 138042013 201407013.2

5、 (precision): -, .3.3 (repeatability): (ISO 5725-1:1994).3.4 (repeatability conditions): , - (ISO 5725-1:1994).3.5 (reproducibility): .3.6 (reproducibility conditions): , - ( 5725-1:1994).3.7 (RSDr) (relative within laboratorystandard deviation): , ., , . RSDr=sxrc180 100 %.(1)3.8 (RSDR) (relative b

6、etweenlaboratory standard deviation): , . , - , . RSDR=sxRc180100 %.(2)3.9 (Horrat r index, Hor) (Horrat index for repeatability): - RSDr, RSDR, - , r=0,66R.3.10 (Horrat R index, HoR) (Horrat index for reproducibility): RSDR, RSDR, -*.3.11 (trueness): , , .3.12 (practicability): , , 9.3.13 (applicab

7、ility): , 9.3.14 (specificity): - 9.3.15 (limit of detection): , . - (n 20) 9.3.16 (limit of quantification): , . - , - (n 20) 9.3.17 (reference material): , , , 4.* : W. Hortwitz. Evaluation of analytical methods for regulation of foods and drugs. Anal. Chem.,1982, 54, 67A76A*.2 EN 1380420133.18 (

8、) (certified reference material): () , , ; .3.19 (blank): , .3.20 (laboratorysample): ,- , .3.21 (test sample): , , - , .3.22 (test portion): , .3.23 (sample preparation): , . , (, , - , ), - , .4 1 - . - . , , - ISO 5725-1, ISO 5725-2 8. 1 - (Hor HoR), , 2 ( 2) - . - ( ) - (), () 5 . - . , , - . .3 EN 1380420136 6.1 ,().,.6.2 , -,.-,.,-,(.7.1).,:- (,),(,);- ;- ;- ;-