scholarly journals Investigation of Toxic Metals in the Tobacco of Pakistani Cigarettes Using Proton-Induced X-Ray Emission

2020 ◽  
Author(s):  
Iram Mahmood ◽  
Sadaqat Khan ◽  
Waheed Akram ◽  
Raphael M. Obodo ◽  
Tariq Mehmood ◽  
...  
Keyword(s):  
Toxic Metals ◽  
X Ray

Rapid detection of toxic metals in non-crushed oyster shells by portable X-ray fluorescence spectrometry

2010 ◽  
Vol 158 (6) ◽  
pp. 2230-2234 ◽  
Author(s):  
Ju Chou ◽  
Garret Clement ◽  
Bradley Bursavich ◽  
Don Elbers ◽  
Baobao Cao ◽  
...  
Keyword(s):  
Toxic Metals ◽  
Rapid Detection ◽  
Fluorescence Spectrometry ◽  
X Ray

Study of Chemical State of Toxic Metals During the Life Cycle of Fly Ash Using X-Ray Absorption Near-Edge Structure

1997 ◽  
Vol 26 (1) ◽  
pp. 37-44 ◽  
Author(s):  
János Osán ◽  
Balázs Török ◽  
Szabina Török ◽  
Keith W. Jones
Keyword(s):  
Life Cycle ◽  
Fly Ash ◽  
Toxic Metals ◽  
Chemical State ◽  
Edge Structure ◽  
X Ray ◽  
X Ray Absorption

scholarly journals Total Reflection X-Ray Fluorescence Analysis of Toxic Metals in Fish Tissues

2014 ◽  
Vol 05 (12) ◽  
pp. 805-811 ◽  
Author(s):  
Graciela Zarazúa ◽  
Karina Girón-Romero ◽  
Samuel Tejeda ◽  
Carmen Carreño-De León ◽  
Pedro Ávila-Pérez
Keyword(s):  
Toxic Metals ◽  
Fluorescence Analysis ◽  
Total Reflection ◽  
Fish Tissues ◽  
X Ray

scholarly journals On the Development of Selective Chelators for Cadmium: Synthesis, Structure and Chelating Properties of 3-((5-(trifluoromethyl)-1,3,4-thiadiazol-2-yl)amino)benzo[d]isothiazole 1,1-dioxide, a Novel Thiadiazolyl Saccharinate

Molecules ◽  
2021 ◽  
Vol 26 (6) ◽  
pp. 1501
Author(s):  
Joana F. Leal ◽  
Bruno Guerreiro ◽  
Patrícia S. M. Amado ◽  
André L. Fernandes ◽  
Luísa Barreira ◽  
...  
Keyword(s):  
Heavy Metals ◽  
Single Crystal ◽  
Toxic Metals ◽  
Chelating Agent ◽  
Negative Consequences ◽  
X Ray ◽  
X Ray Crystallography ◽  
Spectral Changes ◽  
Aquatic Contamination

Aquatic contamination by heavy metals is a major concern for the serious negative consequences it has for plants, animals, and humans. Among the most toxic metals, Cd(II) stands out since selective and truly efficient methodologies for its removal are not known. We report a novel multidentate chelating agent comprising the heterocycles thiadiazole and benzisothiazole. 3-((5-(trifluoromethyl)-1,3,4-thiadiazol-2-yl)amino)benzo[d]isothiazole 1,1-dioxide (AL14) was synthesized from cheap saccharin and characterized by different techniques, including single crystal X-ray crystallography. Our studies revealed the efficiency and selectivity of AL14 for the chelation of dissolved Cd(II) (as compared to Cu(II) and Fe(II)). Different spectral changes were observed upon the addition of Cd(II) and Cu(II) during UV-Vis titrations, suggesting different complexation interactions with both metals.

scholarly journals Leachability and physical stability of solidified and stabilized pyrite cinder sludge from dye effluent treatment

2015 ◽  
Vol 69 (3) ◽  
pp. 231-239 ◽  
Author(s):  
Djurdja Kerkez ◽  
Milena Becelic-Tomin ◽  
Milena Dalmacija ◽  
Dragana Tomasevic ◽  
Srdjan Roncevic ◽  
...  
Keyword(s):  
Toxic Metals ◽  
Physical Stability ◽  
Single Step ◽  
Effluent Treatment ◽  
Test Results ◽  
Pyrite Cinder ◽  
X Ray Diffraction ◽  
Heterogeneous Fenton ◽  
X Ray ◽  
Clay Materials

This work is concerned with exploring the possibilities of using solidification/stabilization (S/S) treatment for toxic sludge generated in dye effluent treatment, when pyrite cinder is used as catalytic iron source in the modified heterogeneous Fenton process. S/S treatment was performed by using different clay materials (kaolin, bentonite and native clay from the territory of Vojvodina) and fly ash in order to immobilize toxic metals and arsenic presented in sludge. For the evaluation of the extraction potential of toxic metals and the effectiveness of the S/S treatment applied, four single-step leaching tests were performed. Leaching test results indicated that all applied S/S treatments were effective in immobilizing toxic metals and arsenic presented in sludge. X-ray diffraction analysis confirmed the formation of pozzolanic products, and compressive strength measurement proved the treatment efficacy. It can be concluded that the S/S technique has significant potential for solving the problem of hazardous industrial waste and its safe disposal.

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