[1885–90; hexa- + -valent]This word is first recorded in the period 1885–90. Other words that entered Englishat around the same time include: retread, seminar, toner, twofer, upsweephexa- is a combining form meaning “six,” used in the formation of compound words. Otherwords that use the affix hexa- include: hexabasic, hexachloroethane, hexachlorophene, hexaemeron, hexameter
Examples of 'hexavalent' in a sentence
hexavalent
Industrial effluent often contains the significant amount of hexavalent chromium and synthetic dyes.
Samavia Batool, Shatirah Akib, Mushtaq Ahmad, Khaled S. Balkhair, Muhammad Aqeel Ashraf 2014, 'Study of Modern Nano Enhanced Techniques for Removal of Dyes and Metals', Journal of Nanomaterialshttp://dx.doi.org/10.1155/2014/864914. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Hexavalent chromium contained in cement might be a causative carcinogen.
Dong-Hee Koh, Tae-Woo Kim, Seung Hee Jang, Hyang-Woo Ryu 2011, 'Cancer Mortality and Incidence in Cement Industry Workers in Korea', Safety and Health at Workhttp://www.sciencedirect.com/science/article/pii/S2093791111230063. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Effect of polyamines on the reduction of hexavalent chromium by bacterial strains and their resistance.
Tahri Joutey, N., Sayel, H., Bahafid, W., El Ghachtouli, N. 2014, 'Effet des polyamines sur la réduction du chrome hexavalent par des souches bactérienneset leur résistance', Biotechnologie, Agronomie, Société et Environnementhttp://hdl.handle.net/11006/160. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Hexavalent chromium administration induced morphological and functional changes in endocrine pancreas cells.
Jelena Savici, Diana Brezovan, Florin Muselin 2016, 'Aronia Melanocarpa Antioxidant Potential against Chromium VI Induced MorphologicalChanges in Endocrine Pancreas', Bulletin of University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca:Veterinary Medicinehttp://journals.usamvcluj.ro/index.php/veterinary/article/view/12178. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Hexavalent chromium pollution can be triggered by human pollutant activity or specific geological environments.
Dimitrios I. Koilakos 2017, 'Aspects of Hexavalent Chromium Pollution of Thebes Plain Aquifer, Boeotia, Greece',Waterhttps://www.mdpi.com/2073-4441/9/8/611. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Chromium occurs mostly in tri- and hexavalent states in the environment.
Zhijia Fang, Min Zhao, Hong Zhen, Lifeng Chen, Ping Shi, Zhiwei Huang 2014, 'Genotoxicity of Tri- and Hexavalent Chromium Compounds In Vivo and Their Modes ofAction on DNA Damage In Vitro', PLoS ONE10.1371/journal.pone.0103194. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Both hexavalent and trivalent chromiums were efficiently removed.
Puangrat Kajitvichyanukul, Chulaluck Changul 2017, 'PHOTOCATALYTIC REMOVAL OF TR I- AND HEXA-VALENT CHROMIUM IONS FROM CHROME-ELECTROPLATING WASTEWATER', ASEAN Journal on Science and Technology for Developmenthttp://www.ajstd.org/index.php/ajstd/article/view/171. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
In summary, hexavalent chromium was not found in almond kernel.
Negin Nasseh, Lobat Taghavi, Behnam Barikbin, Ali Reza Harifi-Mood 2017, 'The removal of Cr(VI) from aqueous solution by almond green hull waste material: kineticand equilibrium studies', Journal of Water Reuse and Desalinationhttp://jwrd.iwaponline.com/content/7/4/449. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)