Determination of several trace elements in cassava using nuclear analytical technique

2021 ◽  
Author(s):  
Syukria Kurniawati ◽  
Endah Damastuti ◽  
Diah Dwiana Lestiani ◽  
Natalia Adventini ◽  
Woro Yatu Niken Syahfitri ◽  
...  
Author(s):  
O.D. Nworgu ◽  
O.D. Osahon

Crude oil samples from four oil wells in Nigeria were analyzed for the following seven trace elements: V, Cr, Mn, Fe, Co, Ni and Pb using Atomic Absorption Spectrometric (AAS) analytical technique. The mean concentrations of these elements on a weight to weight basis were found to range from 0.017 ± 0.005 to 1.977 ± 0.397ppm. The results also show that V was the most abundant metal with Ovia 1 Long String (OLS) Oil well containing the highest concentration of V. The V/Ni ratio from the method used shows that Ovia 1 Long String (OLS) and Ovia 1 Short String (OSS) were the most and the least matured oil wells respectively. All the samples had comparably the same V/Ni ratio (1.16—1.77) implying identical source for all the oils. Furthermore, the calculated values of American Petroleum Institute (°API) gravity determined using the measurement of specific gravity (S.G.) of the crude oil samples range from 47.80 to 55.50. This suggests that the samples fall into one category of crude oil classification which in this case is light crude.


2017 ◽  
Vol 860 ◽  
pp. 012023 ◽  
Author(s):  
W Y N Syahfitri ◽  
S Kurniawati ◽  
N Adventini ◽  
E Damastuti ◽  
D D Lestiani

2015 ◽  
Vol 307 (1) ◽  
pp. 225-228 ◽  
Author(s):  
Susanta Lahiri ◽  
Moumita Maiti ◽  
Kaushik Gangopadhyay

2018 ◽  
Vol 14 (18) ◽  
pp. 371
Author(s):  
S. M. Fahad ◽  
Md. Joynal Abedin ◽  
Md. Obaidur Rahman ◽  
Md. Abdullah Al Rony ◽  
F. A. Sabbir Ahamed ◽  
...  

Proton induced gamma emission (PIGE) method has been developed at the Accelerator Laboratory of Atomic Energy Center, Dhaka (AECD) for the investigation of various human health related specimens. In the present study PIGE analytical technique has been used for the determination of numerous trace elements in some commonly used fish samples which were collected from Islampur area at Savar. During the experimental work the γrays emitted from the prepared fish samples were measured using a Highpurity Germenium (HPGe) detector. The detected 18 elements were Iron, Calcium, Sodium, Magnesium, Aluminum, Potassium, Vanadium, Chromium, Manganese, Copper, Zinc, Selenium, Bromine, Rubidium, Strontium, Cadmium, Iodine, Lead etc. The objective of this study was to measure the concentrations of these trace elements in the collected fish samples and to investigate whether their concentrations are harmful for human health by comparison with limits set by WHO/FAO. The results obtained indicate that Fe, K and Ca concentrations were relatively high in all samples as compared with the other elements. The measured elemental concentration of Fe, Mn, Zn, Cu, Cr and V in all fish samples were found to be above the WHO/FAO recommended limits.


Author(s):  
Yoshiki Makino ◽  
Tetsuya Nakazato

Analysis of trace elements in polymers is necessary for environmental researches and compliance. The conventional solution-based technique is time-consuming because requirements of the digestion process, thus the rapid analytical technique...


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