QUANTITATIVE METHOD FOR THE DETERMINATION OF NITRATE USING DIPHENYLAMINE
DOI:
https://doi.org/10.5281/zenodo.7332730Keywords:
Chemical, measuring vessel, pipette, diphenylamine (crystalline), sulfuric acid (concentrated), test products, nitrates, metabolites, nitrites.Abstract
This work shows the qualitative determination of the content of nitrates in selected samples of vegetables and fruits. We clean the roots of vegetables, leaves and stalk of cabbage, fruits of fruits from impurities, then grind them into gruel and squeeze through gauze. Pour the squeezed juice into test tubes.
References
Bandman A.L., Volkova N.V. etc. Harmful chemicals. Inorganic compounds of elements of groups V–VIII. Reference edition. Ed. V.A. Filova and others. L.: Chemistry, 1989
Gabovich R.D., Priputina L.S. Hygienic bases for the protection of food products from harmful chemicals.- Kyiv: Health, 1987.
Dotsenko V. D. Vegetables and fruits in nutrition. - Lenizdat, 1988
Pichugina G.V. Chemistry and everyday human life. – M.: Bustard, 2004.
F.E. Saitkulov, B.Zh. Elmuradov. Influence of the nature of the methylating agent and solvent on the directions of the methylation reaction of 2n (methyl-, -phenyl-,-p-nitrophenyl) quinazolin-4-ones.2022/7/30
F.E. Saitkulov, Zakhidov K.A., Samarov Z.U. Methylation of 2-Methylquinazolin-4-thione with "soft" and "hard" methylating agents. Scientific bulletin of SamDU, 2015, 3-dream. Samarkand page 109.
F.E. Saitkulov, Zakhidov K.A., Samarov Z.U., Synthesis and study of the methylation reaction of quinazolin-4-thione. Uzbekiston republic and fanlar Academy and magazines. № 4 2015 yil. С-54-56
F.E. Saitkulov, B. J. Elmuradov, N. Sh. Ropijonova. Methylation of quinazolin-4-one with "soft" and "hard" methylating agents. International Journal of Development and Public Policy | e-ISSN: 2792-3991 | www.openaccessjournals.eu | Volume: 1 Issue: 8
Saitkulov F. E. et al. 2, 3-Dimethylquinazolin-4 (3H)-one //Acta Crystallographica Section E: Structure Reports Online. – 2014. – Т. 70. – №. 7. – С. o788-o788.
Saitkulov F. et al. TITRIMETRIC ANALYSIS OF CALCIUM CATION IN" MEGATON" VARIETY OF CABBAGE //International Bulletin of Applied Science and Technology. – 2022. – Т. 2. – №. 10. – С. 134-135.
Sapaev B. et al. Synthesis of 2-methylquinazoline-4-thione with the purpose of alkylation of 3-propyl 2-methylquinazoline-4-thione with alkylating agents //AIP Conference Proceedings. – AIP Publishing LLC, 2022. – Т. 2432. – №. 1. – С. 020009.
Boymuratova G. O. et al. To Examine the Processes of Biochemical Action Of 6-Benzylaminopurine with Cobalt-II Nitrate Dihydrate on the “Morus Alba” Variety of Moraceae Plant //Eurasian Journal of Physics, Chemistry and Mathematics. – 2022. – Т. 3. – С. 39-42.
Sapaev B. et al. Study of methylation reactions of 2-phenylquinazoline-4-tion with “soft” and “hard” methylation agents and determination of its biological activity //E3S Web of Conferences. – EDP Sciences, 2021. – Т. 258. – С. 04023.