Supporting information. J. Chem. Metrol. 12:1 (2018) 59-69

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1 Supporting information J. Chem. Metrol. 12:1 (2018) The establishment of metrological characteristics of the method Ethanol as Internal Standard for the direct determination of volatile compounds in alcoholic products Siarhei Charapitsa 1, Svetlana Sytova 1, Anton Korban 1,2, Nicolai Boyarin 3, Inna Shestakovich 3 and Radomír Čabala 4 1 Institute for Nuclear Problems of Belarusian State University, POB , Bobruyskaya Str., 11, Minsk, Belarus 2 Belarusian State University, POB , Nezavisimosti avenue, 4, Minsk, Belarus 3 Republican Centre for Hygiene, Epidemiology and Public Health, POB , Kazintsa Str., 50, Minsk, Belarus 4 Faculty of Science of Charles University, Department of Analytical Chemistry, Hlavova 2030/8, , Prague 2, Czech Republic TABLE OF CONTENTS PAGE Table S. 1. The results of GC measurements of standard solution WES-A in LAR. 2 Table S. 2. The results of GC measurements of standard solution WES-B in LAR. 2 Table S. 3. The results of GC measurements of standard solution WES-1 in LAR. 3 Table S. 4. The results of GC measurements of standard solution WES-2 in LAR. 3 Table S. 5. The results of GC measurements of standard solution WES-3 in LAR. 4 Table S. 6. The results of GC measurements of standard solution WES-A in RCH. 4 Table S. 7. The results of GC measurements of standard solution WES-B in RCH. 5 Table S. 8. The results of GC measurements of standard solution WES-1 in RCH. 5 Table S. 9. The results of GC measurements of standard solution WES-2 in RCH. 6 Table S. 10. The results of GC measurements of standard solution WES-3 in RCH. 6 Table S. 11. The results of GC measurements of standard solution WES-B in CU. 7 Table S. 12. The results of GC measurements of standard solution WES-1 in CU. 7 Table S. 13. The results of GC measurements of standard solution WES-2 in CU. 8 Table S. 14. The results of GC measurements of standard solution WES-C in three laboratories. 8 Table S. 15. The average measurement results of standard solution WES-C and the calibration coefficients for three analytical methods obtained in RCH and CU. 9 Table S. 16. Inter-laboratory repeatability limits. 10 Table S. 17. Inter-laboratory biases. 11 Table S. 18. Inter-laboratory uncertainties Corresponding author svcharapitsa@tut.by

2 Table S. 1. The results of GC measurements of standard solution WES-A in LAR. Compound acetaldehyde methyl acetate ethyl acetate methanol propanol propanol isobutyl alc butanol isoamyl alc Table S. 2. The results of GC measurements of standard solution WES-B in LAR. Compound acetaldehyde methyl acetate ethyl acetate methanol propanol propanol isobutyl alc butanol isoamyl alc

3 Table S. 3. The results of GC measurements of standard solution WES-1 in LAR. Compound acetaldehyde methyl acetate ethyl acetate methanol propanol propanol isobutyl alc butanol isoamyl alc Table S. 4. The results of GC measurements of standard solution WES-2 in LAR. Compound acetaldehyde methyl acetate ethyl acetate methanol propanol propanol isobutyl alc butanol isoamyl alc

4 Table S. 5. The results of GC measurements of standard solution WES-3 in LAR. Compound acetaldehyde methyl acetate ethyl acetate methanol propanol propanol isobutyl alc butanol isoamyl alc Table S. 6. The results of GC measurements of standard solution WES-A in RCH. Compound acetaldehyde methyl acetate ethyl acetate methanol propanol propanol isobutyl alc butanol isoamyl alc

5 Table S. 7. The results of GC measurements of standard solution WES-B in RCH. Compound acetaldehyde methyl acetate ethyl acetate methanol propanol propanol isobutyl alc butanol isoamyl alc Table S. 8. The results of GC measurements of standard solution WES-1 in RCH. Compound acetaldehyde methyl acetate ethyl acetate methanol propanol propanol isobutyl alc butanol isoamyl alc

6 Table S. 9. The results of GC measurements of standard solution WES-2 in RCH. Compound acetaldehyde methyl acetate ethyl acetate methanol propanol propanol isobutyl alc butanol isoamyl alc Table S. 10. The results of GC measurements of standard solution WES-3 in RCH. Compound acetaldehyde methyl acetate ethyl acetate methanol propanol propanol isobutyl alc butanol isoamyl alc

7 Table S. 11. The results of GC measurements of standard solution WES-B in CU. Compound acetaldehyde methyl acetate ethyl acetate methanol propanol 1-propanol isobutyl alc butanol isoamyl alc Table S. 12. The results of GC measurements of standard solution WES-1 in CU. Compound acetaldehyde methyl acetate ethyl acetate methanol propanol 1-propanol isobutyl alc butanol isoamyl alc

8 Table S. 13. The results of GC measurements of standard solution WES-2 in CU. Compound acetaldehyde methyl acetate ethyl acetate methanol propanol 1-propanol isobutyl alc butanol isoamyl alc Table S. 14. The results of GC measurements of standard solution WES-C in three laboratories. Peak area, namin Compound LAR RCH CU acetaldehyde methyl acetate ethyl acetate methanol propanol ethanol propanol isobutyl alc pentanol butanol isoamyl alc

9 Table S. 15. The average measurement results of standard solution WES-C and the calibration coefficients for three analytical methods obtained in RCH and CU. Average calibration coefficients RCH CU Compound Average peak area, na min Ethanol as IS 2-pentanol as IS External standard, mg/l AA(nA min) Average peak area, na min Ethanol as IS 2-pentanol as IS External standard, mg/l AA (na min) -1 acetaldehyde , methyl acetate , ethyl acetate , methanol , propanol ,966 ethanol , propanol , isobutyl alc , pentanol , butanol , isoamyl alc ,

10 Table S. 16. Inter-laboratory repeatability limits. Compound Repeatability limit, % WES-A WES-B WES-1 WES-2 WES-3 Eth 2 Trad Ext Eth Trad Ext Eth Trad Ext Eth Trad Ext Eth Trad Ext acetaldehyde methyl acetate ethyl acetate methanol propanol propanol isobutyl alc butanol isoamyl alc Here and further Eth, Trad and Ext are the short forms of the Ethanol as Internal Standard, Traditional Internal Standard and External Standard methods.

11 Table S. 17. Inter-laboratory biases. Compound Bias, % WES-A WES-B WES-1 WES-2 WES-3 Eth Trad Ext Eth Trad Ext Eth Trad Ext Eth Trad Ext Eth Trad Ext acetaldehyde methyl acetate ethyl acetate methanol propanol propanol isobutyl alc butanol isoamyl alc Table S. 18. Inter-laboratory uncertainties. Compound Uncertainty, % WES-A WES-B WES-1 WES-2 WES-3 Eth Trad Ext Eth Trad Ext Eth Trad Ext Eth Trad Ext Eth Trad Ext acetaldehyde methyl acetate ethyl acetate methanol propanol propanol isobutyl alc butanol isoamyl alc