Реферат: The validation of a standard certified method for measuring the mass fraction of oil products in soils and bottom sediments by IR spectrometry for measuring the content of oil products in sorbent samples based on ash and slag waste from thermal power engineering, and changes in the method of sample preparation in order to improve the metrological characteristics of the method are proposed. To calculate the metrological characteristics of the method to be validated, 48 measurements were carried out according to the recommendations set out in RMG 61-2010 (Appendix E). The assessment of the repeatability index was carried out according to the Cochran criterion. Grubbs statistics were used to evaluate the intralaboratory precision index. The correctness score was determined using a two-sample Student’s t-test. The assessment of the accuracy indicator was performed by the selective relative standard deviation of the measurement results of the control sample. Quality indicators of the standard methodology PND F 16.1:2.2.22-98 (2005 edition): repeatability rate 8 %; index of intralaboratory precision 10 %; correctness score 15 %; accuracy rate 25 %. Quality indicators of the method being validated: repeatability rate 2.7 %; index of intralaboratory precision 2.7 %; correctness score 1.3 %; accuracy rate 5.3 %. The measurement results obtained using the developed validated method for measuring the oil product content in the samples of modified sorbent based on ash and slag wastes are more reproducible in terms of repeatability and precision, as well as more correct and accurate in comparison with the results obtained when measuring using the standard PND F method 16.1:2.2.22-98 (2005 edition).

Библиографическая ссылка: Bushumov S.A. , Korotkova T.G.
Validation of the Standard Certified Method for the Determination of Petroleum Products in Sorbent Samples
Chemistry for Sustainable Development. 2023. V.31. N4. P.354-361. DOI: 10.15372/CSD2023478 WOS РИНЦ OpenAlex

Оригинальная версия: Бушумов С.А. , Короткова Т.Г.
Валидация стандартной аттестованной методики определения нефтепродуктов в образцах сорбента
Химия в интересах устойчивого развития. 2023. Т.31. №4. С.366-373. DOI: 10.15372/khur2023478 РИНЦ CAPlus OpenAlex

Даты:

Поступила в редакцию:	16 мар. 2023 г.
Принята к публикации:	13 апр. 2023 г.
Опубликована online:	13 дек. 2023 г.

Идентификаторы БД:

Web of science:	WOS:001123947700001
РИНЦ:	55170953
OpenAlex:	W4403619839

Альметрики: