Total antimony analysis by hydride generation-microwave plasma-atomic emission spectroscopy with applications

2020 ◽  
Vol 157 ◽  
pp. 104992 ◽  
Author(s):  
Junko Fujihara ◽  
Naoki Nishimoto
Keyword(s):  
Emission Spectroscopy ◽  
Microwave Plasma ◽  
Hydride Generation ◽  
Atomic Emission ◽  
Atomic Emission Spectroscopy ◽  
Plasma Atomic Emission

Total arsenic analysis in Californian wines with hydride generation – microwave plasma – atomic emission spectroscopy (HG-MP-AES)

2016 ◽  
Vol 31 (6) ◽  
pp. 1223-1227 ◽  
Author(s):  
C. K. Tanabe ◽  
H. Hopfer ◽  
G. Gilleland ◽  
A. Liba ◽  
S. E. Ebeler ◽  
...  
Keyword(s):  
Emission Spectroscopy ◽  
Microwave Plasma ◽  
Hydride Generation ◽  
Detection Limits ◽  
Atomic Emission ◽  
Atomic Emission Spectroscopy ◽  
New Method ◽  
Total Arsenic ◽  
Plasma Atomic Emission

A new method was developed to determine total As in wine with HG-MP-AES with detection limits of 0.38 μg L−1.

scholarly journals Analysis of Mercury in Skin Lightening Cream by Microwave Plasma Atomic Emission Spectroscopy (MP-AES)

Molecules ◽  
2021 ◽  
Vol 26 (11) ◽  
pp. 3130
Author(s):  
Hardoko I. Qudus ◽  
Purwadi Purwadi ◽  
Iis Holilah ◽  
Sutopo Hadi
Keyword(s):  
Emission Spectroscopy ◽  
Microwave Plasma ◽  
Atomic Emission ◽  
Atomic Emission Spectroscopy ◽  
Solution Stability ◽  
Analysis Method ◽  
Plasma Atomic Emission ◽  
Relative Standard ◽  
The Stability ◽  
Skin Lightening

This research aimed at developing an analysis method, which was optimized and validated to determine the content of mercury in skin lightening cream discovered in the market in Bandar Lampung, Indonesia, through the use of microwave plasma atomic emission spectroscopy (MP-AES). The optimization on the analysis method was conducted on pump rate, viewing position, and reductant concentration in order to obtain the highest mercury emission intensity, while the solution stability was optimized to know the stability of mercury in the solution. The result showed that the method developed had precision with a relative standard deviation of 2.67%, recovery value of 92.78%, and linearity with an r value of 0.993, respectively. The sensitivity of the instrument detection had a limit of analysis method detection and quantification of 0.59 and 1.98 µg/L, respectively. The results of the test of the lightening cream (8 of 16 samples) positively contained mercury in the range of 422.61–44,960.79 ng/g. Therefore the method of analysis developed may be used for routine analysis of chemicals in any cosmetics products.

scholarly journals Levels of selected metals in teff grain samples collected from three different areas of Ethiopia by microwave plasma-atomic emission spectroscopy

2021 ◽  
Vol 34 (3) ◽  
pp. 449-462
Author(s):  
A. Gebregewergis ◽  
B. S. Chandravanshi ◽  
M. Redi-Abshiro
Keyword(s):  
Emission Spectroscopy ◽  
Microwave Plasma ◽  
Sample Pretreatment ◽  
Atomic Emission ◽  
Atomic Emission Spectroscopy ◽  
Acid Mixture ◽  
Essential Metals ◽  
Plasma Atomic Emission ◽  
Significant Difference ◽  
The Mean

The levels of selected essential and non-essential metals in the white, red, and mixed teff grains collected from Bure, Debre Markos and Bahir Dar (Ethiopia) were determined by microwave plasma-atomic emission spectroscopy (MP-AES). After proper sample pretreatment, the powdered teff was wet digested with the acid mixture (5 mL HNO3:1 mL HClO4) at 240 oC for 2:30 h over Kjeldhal digestion block. The accuracy of the optimized procedure was evaluated by analyzing the digest of the spiked samples with a standard solution of metals, and the percentage recoveries varied from 92% to 104%. The mean concentrations of metals determined (mg/kg, dry weight) were in the ranges of Al (713-1513) > Fe (252-1195) > Ca (233-348) > Zn (69-102) > Mn (20-45) > Cu (13-15) > Pb (1.8-2.8) > Cd (0.8-1.8). In this study, Al and Cd were determined in the teff for the first time. Analysis of variance indicated no significant difference between the mean concentrations of Cu and Mn among the white teff samples, Mn among the red teff samples and Cd and Pb among the mixed teff samples, but there was a significant difference for the other studied metals among the corresponding teff samples at 95% confidence level.                     KEY WORDS: Teff grain, Eragrostistef (Zucc.) Trotter, Essential metals, Non-essential metals, Ethiopia   Bull. Chem. Soc. Ethiop. 2020, 34(3), 449-462. DOI: https://dx.doi.org/10.4314/bcse.v34i3.2

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