BS EN 16801:2016

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Foodstuffs. Determination of elements and their chemical species. Determination of methylmercury in foodstuffs of marine origin by isotope dilution GC-ICP-MS

Published By	Publication Date	Number of Pages
BSI	2016	18

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Categories: 67.120.30 - Fish and fishery products, BSI

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Description

This European Standard describes a method for the determination of monomethylmercury (MMHg) in foodstuffs of marine origin. The method has been validated in an interlaboratory test on mussel tissue, squid muscle, crab claw muscle, dog fish liver, whale meat, cod muscle and Greenland halibut muscle (all freeze-dried) with mass fractions from 0,04 mg/kg to 3,6 mg/kg dry weight according to ISO 5725-2 [1].

Laboratory experiences have shown that this method is also applicable on fresh samples [2].

PDF Catalog

PDF Pages	PDF Title
4	Contents Page
5	European foreword
6	1 Scope 2 Normative references 3 Principle 4 Reagents 4.1 General
8	5 Apparatus and equipment
9	6 Procedure 6.1 Calculation of optimal spike amount Table 1 — Isotopic composition of natural Hg and recommended 201Hg enriched spike
10	6.2 Sample preparation 6.3 ICP-MS conditions Table 2 — Example of instrument settings for ICP-MS
11	6.4 GC conditions Table 3 — Example of instrument settings for capillary GC 6.5 Set up procedures for the ICP-MS and GC-ICP-MS 6.6 Sample measurement 6.6.1 Preparation of the GC-ICP-MS for analysis
12	6.6.2 Determination of samples and blank solution 6.6.3 Quality control 7 Calculation
13	8 Precision 8.1 General 8.2 Repeatability
14	8.3 Reproducibility Table 4 — Mean values, repeatability (r) and reproducibility (R) limits 9 Test report
15	Annex A (informative) Precision data Table A.1 — Precision data Table A.2 — Trueness based on NRCC DOLT 4 (Dog fish liver)
16	Bibliography

Additional information

Status	Confirmed
Pages	18
Publication Date	2016-04-30
ISBN	978 0 580 79937 2
Standard Number	BS EN 16801:2016
Title	Foodstuffs. Determination of elements and their chemical species. Determination of methylmercury in foodstuffs of marine origin by isotope dilution GC-ICP-MS
Identical National Standard Of	EN 16801:2016
Descriptors	Mathematical calculations, Precision, Food products, Isotopes, Dilution, Reproducibility
Publisher	BSI
Committee	AW/275
ICS Codes	67.120.30 - Fish and fishery products

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BS EN 16801:2016

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