Results 11 to 20 of about 28,725 (311)
Effect of Temperatures on Determination of Arsenic in Water by Atomic Fluorescence Spectrometry
Yankuang ceshi, 2019 BACKGROUND The influence of the operating temperature on Hydride Generation-Atomic Fluorescence Spectrometry comes mainly from the hydride reaction and the drift of the instrument.
LIU Jing-long, WU Qiao-li
doaj +1 more source
Toxics, 2021 This study evaluated chromium (Cr), arsenic (As), cadmium (Cd), and lead (Pb) contamination in raw milk from industrial areas in China, identified the possible pathways of heavy metals from the environment to raw milk, and made a risk assessment of the ...
Chuanyou Su +8 more
doaj +1 more source
Yankuang ceshi, 2019 BACKGROUND In current ecological environmental monitoring, the standard methods used to determine the total contents of inorganic elements, such as heavy metals in soil, include atomic absorption spectrometry (AAS), atomic fluorescence spectrometry (AFS)
TIAN Zhi-ren +5 more
doaj +1 more source
A novel selenocystine-accumulating plant in selenium-mine drainage area in Enshi, China. [PDF]
PLoS ONE, 2013 Plant samples of Cardamine hupingshanesis (Brassicaceae), Ligulariafischeri (Ledeb.) turcz (Steraceae) and their underlying top sediments were collected from selenium (Se) mine drainage areas in Enshi, China.
Linxi Yuan +5 more
doaj +1 more source
Determination of Arsenic in the Rainbow Trout Muscle and Rice Samples
Czech Journal of Food Sciences, 2009 The content of arsenic was determined in the rainbow trout muscle (Oncorhynchus mykiss) and in rice samples. The method of atomic absorption spectrometry with hydride generation (HG-AAS) in graphite furnace was used for total arsenic determination ...
V. Harkabusová +3 more
doaj +1 more source
An overview of methods used for quantification of heavy metal contents in vegetal samples
Romanian Journal of Ecology & Environmental Chemistry, 2021 Continuous monitoring of heavy metals content in vegetal products is a priority for food control and a risk assessment strategy for human health. Having in view the importance of heavy metals surveillance, the aim of this paper is to identify, on the ...
Gina Vasile Scaeteanu +2 more
doaj +1 more source
Liang you shipin ke-ji, 2023 A fast analytical protocol for the simultaneous analysis of As(Ⅲ), As(Ⅴ), DMA and MMA in purple rice, red rice and common brown rice was established based on liquid chromatography-atomic fluorescence spectrometry. For the first time, three mobile phases (
YANG Huan +3 more
doaj +1 more source
Analysis of Trace Elements in Human Brain: Its Aim, Methods, and Concentration Levels
Frontiers in Chemistry, 2019 Trace elements play a crucial role in many biochemical processes, mainly as components of vitamins and enzymes. Although small amounts of metal ions have protective properties, excess metal levels result in oxidative injury, which is why metal ion ...
Cezary Grochowski +10 more
doaj +1 more source
Watershed Ecology and the Environment, 2022 The contamination levels and distribution of heavy metals were assessed in riverbed sediments and water column samples from Mura and Kimpulande Rivers, both impacted by copper-cobalt and gold mining activities.
Alex Banze wa Mutombo +9 more
doaj +1 more source
Research Progress on Sample Preparation Methods and Analytical Techniques for Nickel Laterite
Yankuang ceshi, 2015 With the depletion of common sulphide nickel resources, nickel laterite is becoming more attractive as nickel oxide, nickel matte and nickel-iron, amongst others, can be produced directly.
YAN Na +3 more
doaj +1 more source