Results 21 to 30 of about 385,649 (377)

Influence of Additive N2 on O2 Plasma Ashing Process in Inductively Coupled Plasma

open access: yesNanomaterials, 2022
One of the cleaning processes in semiconductor fabrication is the ashing process using oxygen plasma, which has been normally used N2 gas as additive gas to increase the ashing rate, and it is known that the ashing rate is strongly related to the ...
Ye-Bin You   +7 more
doaj   +1 more source

Determination of wholesome elements and heavy metals in safflower (Carthamus tinctorius L.) from Xinjiang and Henan by ICP-MS/ICP-AES

open access: yesJournal of Pharmaceutical Analysis, 2011
An inductively coupled plasma mass spectrometry (ICP-MS) or inductively coupled plasma atomic emission spectrometry (ICP-AES) was developed to determine 19 elements in safflower, a traditional Chinese medicinal herb from Xinjiang Autonomous Region and ...
Ling-Han Jia, Yi Li, Yu-Zhen Li
doaj   +1 more source

Inductively Coupled Plasma Mass Spectrometry: Introduction to Analytical Aspects.

open access: yesClinical biochemist reviews, 2019
Inductively coupled plasma mass spectrometry (ICP-MS) is an analytical technique that can be used to measure elements at trace levels in biological fluids.
Scott Wilschefski, Matthew Baxter
semanticscholar   +1 more source

Analytical validation of an inductively coupled plasma mass spectrometry method for urinary iodine concentration measurements in Taiwan

open access: yesJournal of the Formosan Medical Association, 2023
Background: Urinary iodine concentration (UIC) measured by Sandell-Kolthoff spectrophotometric method has been used in the Nutrition and Health Surveys in Taiwan but this method is time consuming and produces toxic waste from arsenic trioxide. The aim of
Chun-Jui Huang   +9 more
doaj   +1 more source

Atomic layer etching of SiO2 with Ar and CHF 3 plasmas: A self-limiting process for aspect ratio independent etching [PDF]

open access: yes, 2019
With ever increasing demands on device patterning to achieve smaller critical dimensions, the need for precise, controllable atomic layer etching (ALE) is steadily increasing.
Cabrini, S   +8 more
core   +1 more source

Antigua fundición de plomo en el sitio inca de Curamba, departamento de Apurímac, Perú

open access: yesBulletin de l'Institut Français d'Études Andines, 2012
Since 16th century, the Inca site of Curamba, Department of Apurímac, in southern Peru, has been interpreted as a metallurgical center for processing silver ore. However, there was no physical evidence such as fragments, or other indicators of the use of
William E. Brooks, Luisa Vetter Parodi
doaj   +1 more source

Estudo Experimental e Teórico dos Processos no Plasma ICP-AES Não-Estacionário

open access: yesTrends in Computational and Applied Mathematics, 2000
Foram experimentalmente estudadas as pulsações transversais da tocha de plasma com simetria cilíndrica ICP-AES (Inductively Coupled Plasma Atomic Emission Spectroscopy).
R. Toukhvatoulline   +2 more
doaj   +1 more source

Geochemical Characteristics of Soil Selenium and Influencing Factors of Selenium Bioavailability in Rice Root Soils in Qingxi Area, Ganxian County, Jiangxi Province

open access: yesYankuang ceshi, 2021
BACKGROUND The south of Jiangxi Province is a typical geographical distribution area of selenium deficiency. However, some research results in recent years indicate that the rice has high selenium content.
LIU Bing-quan   +5 more
doaj   +1 more source

Comparison of γ-ray spectrometry and ICP-MS methods for measuring radioactive heat-producing elements of rocks: a case study on borehole samples from the Sichuan Basin, China [PDF]

open access: yes, 2017
We compared the consistency of γ-ray spectrometry and inductively coupled plasma mass spectrometry by analyzing measurement results of the radioactive heat-producing elements U, Th, and K from borehole samples.
Hu, Shengbiao   +3 more
core   +1 more source

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