Zobrazeno 1 - 10
of 44 861
pro vyhledávání: '"ICP‐MS"'
Publikováno v:
Applied Water Science, Vol 14, Iss 9, Pp 1-17 (2024)
Abstract The contamination of natural mineral bottled drinking water with trace, heavy metals and rare-earth elements is a growing concern globally, especially in regions with limited access to safe drinking water sources. In South Africa, the safety
Externí odkaz:
https://doaj.org/article/be6315981ae24592b96c8eb569759f20
Autor:
Nadine M. Chiera, Peter Sprung, Yuri Amelin, Rugard Dressler, Dorothea Schumann, Zeynep Talip
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-11 (2024)
Abstract The half-life of the extinct radiolanthanide $$^{146}\text{Sm}$$ 146 Sm , important for both geochronological and astrophysical applications, was re-determined by a combination of mass spectrometry and $$\alpha$$ α -decay counting. Earlier
Externí odkaz:
https://doaj.org/article/b35d065022af4aaea4d12900f8c9c90e
Publikováno v:
Heritage Science, Vol 12, Iss 1, Pp 1-15 (2024)
Abstract In addition to his astronomical observations the famous Renaissance astronomer Tycho Brahe (1546–1601) was known also for his interest in alchemy. He equipped his castle Uraniborg on the island of Ven with a state-of-the-art alchemical lab
Externí odkaz:
https://doaj.org/article/9b28f4b62bb6419789d15540016d0156
Publikováno v:
Zhipu Xuebao, Vol 45, Iss 4, Pp 531-539 (2024)
A method of quadrupole inductively coupled plasma mass spectrometry (Q-ICP-MS) based on oxygen reaction mode was established for the accurate determination of trace impurity elements in superalloys. The effect of the collision/reaction mode on the re
Externí odkaz:
https://doaj.org/article/81c68ec25bed40b4af78a6f5ae200701
Publikováno v:
Food Science & Nutrition, Vol 12, Iss 6, Pp 4223-4232 (2024)
Abstract The contamination of feed and food by heavy metals represents a significant concern for the health of both animals and humans. This study investigates the impact of geographical location on heavy metal distribution in dairy cattle feeds sour
Externí odkaz:
https://doaj.org/article/372a8901b8404953a3bf202ce83d9802
Publikováno v:
Indonesian Journal of Chemistry, Vol 24, Iss 3, Pp 715-728 (2024)
To pre-concentrate trace amounts of lead before determining it by UV-vis spectrophotometer, a new method for micelle-mediated phase separation has been created. The process depends on the extraction of lead from iodine media using Triton X-114 in the
Externí odkaz:
https://doaj.org/article/c9c56bd9cc1341bebbd899b092042bf3
Publikováno v:
Bulletin of the Geological Society of Finland, Vol 96, Iss 1, Pp 5-34 (2024)
We present a geochemical dataset and cathodoluminescence images of apatite from the Neoarchean (2610 Ma) glimmerite-carbonatite rocks from the Siilinjärvi complex, Eastern Finland. The subhedral, tapered prismatic grains are compositionally fluorapa
Externí odkaz:
https://doaj.org/article/8a5d304196804763ac9fd92c67a744bd
Publikováno v:
Zhipu Xuebao, Vol 45, Iss 3, Pp 316-331 (2024)
Cells are the most basic structural and functional unit of living organisms. In recent years, people have paid more attention to cell heterogeneity. In order to characterize the heterogeneity of cells and prevent the life information in an individual
Externí odkaz:
https://doaj.org/article/022d7eba459643aa98f66d4d58727c32
Publikováno v:
Oil Shale, Vol 41, Iss 2, Pp 132-143 (2024)
Oil shale ash generated from different locations in Jordan was investigated for rare earth elements (REE). The oil shale samples were combusted at 950 °C, and then milled to less than 74 μm. The resulting fine oil shale ash samples were acid-di
Externí odkaz:
https://doaj.org/article/abef2159bab34ad69674e9a76e197098
Publikováno v:
Chemical and Biological Technologies in Agriculture, Vol 11, Iss 1, Pp 1-9 (2024)
Abstract Background Red pepper paste is a common ingredient used in food in Korea. The discrimination of the geographical origin of agricultural products is important to protect the agricultural industry and customers from the misinformation regardin
Externí odkaz:
https://doaj.org/article/12a0c8c57bab4c3194800223fd907fcd