X-ray fluorescence and atomic absorption spectrophotometry measurements of manganese, iron, copper, and zinc in selected foods

1988 ◽  
Vol 36 (6) ◽  
pp. 1211-1216 ◽  
Author(s):  
Kirk K. Nielson ◽  
Arthur W. Mahoney ◽  
Vern C. Rogers
Keyword(s):  
Atomic Absorption ◽  
Atomic Absorption Spectrophotometry ◽  
X Ray ◽  
Absorption Spectrophotometry ◽  
Iron Copper ◽  
Copper And Zinc

scholarly journals Mineral Analysis in Dioscorea hispida Dennst. Tuber by Atomic Absorption Spectrophotometry

2019 ◽  
Vol 2 (1) ◽  
pp. 24-29
Author(s):  
Masfria ◽  
Rehulina Gultom ◽  
Tedy Prayoga
Keyword(s):  
Atomic Absorption ◽  
Atomic Absorption Spectrophotometry ◽  
Mineral Analysis ◽  
Absorption Spectrophotometry ◽  
Copper And Zinc ◽  
Sodium Magnesium

ABSTRACT   Objective: The purpose of this study was to analyze minerals in gadung (Dioscorea hispida Dennst.) tuber. Method: The analysis of minerals was conducted by using atomic absorption spectrophotometry. Results: The results showed that the concentration of iron, cadmium, potassium, calcium, sodium, magnesium, copper and zinc were 0.6445 + 0.0029 mg/100g, 0.0011 + 0.0083 mg/100g, 265.2780 + 0.4652 mg/100g, 5.1015 + 0.0490 mg/100g, 8.3011 + 0.0974 mg/100g, 29.0237 + 0.0706 mg/100g, 0.1110 + 0.0019 mg/100g, and 0.6113 + 0.0026 mg/100g, respectively. Conclulsion: The gadung (Dioscorea hispida Dennst.) tuber contains iron, cadmium, potassium, calcium, sodium, magnesium, copper and zinc as the minerals.  

Simultaneous Direct Estimation by Atomic Absorption Spectrophotometry of Copper and Zinc in Serum, Urine, and Cerebrospinal Fluid

1971 ◽  
Vol 17 (5) ◽  
pp. 369-373 ◽  
Author(s):  
S Meret ◽  
R I Henkin
Keyword(s):  
Cerebrospinal Fluid ◽  
Atomic Absorption ◽  
Atomic Absorption Spectrophotometry ◽  
Nacl Solution ◽  
Absorption Spectrophotometry ◽  
Direct Estimation ◽  
Copper And Zinc

Abstract A method is described for simultaneously estimating copper and zinc in serum, urine, and cerebrospinal fluid by atomic absorption spectrophotometry. Standards are prepared in 150 millimolar NaCl solution, and subsequently standards and samples are diluted with n-butanol:water (6:94, by vol). Both ions may be simultaneously determined in as little as 0.5 ml. The procedure is simple, quick, reliable and reproducible.

The determination of copper and zinc in microsamples of undeproteinized blood serum using atomic absorption spectrophotometry with direct flame injection

1983 ◽  
Vol 6 (S2) ◽  
pp. 91-92 ◽  
Author(s):  
J. R. Alonso-Fernandez ◽  
J. A. Cocho ◽  
M. C. Castiñeiras ◽  
J. Peña ◽  
J. M. Fraga
Keyword(s):  
Blood Serum ◽  
Atomic Absorption ◽  
Atomic Absorption Spectrophotometry ◽  
Absorption Spectrophotometry ◽  
Copper And Zinc ◽  
Determination Of Copper

Lead in the Bones of Prehistoric Lead-glaze Potters

1964 ◽  
Vol 30 (1) ◽  
pp. 94-96 ◽  
Author(s):  
Saul Jarcho
Keyword(s):  
Atomic Absorption ◽  
Lead Poisoning ◽  
Atomic Absorption Spectrophotometry ◽  
Experimental Series ◽  
X Ray Diffraction ◽  
Control Series ◽  
X Ray ◽  
Absorption Spectrophotometry ◽  
Lead Glaze

AbstractIn 1932 Haury described lead-glaze pottery from the Southwest. In view of his report, it appeared desirable to find out whether the makers of such pottery suffered from lead poisoning. A series of 46 bone specimens from Kinishba, where lead-glaze pottery was made, and a control series of 33 specimens from Point of Pines, where such pottery is not known to have been made, were screened by X-ray and by X-ray diffraction. The 11 most promising specimens were then analyzed by atomic absorption spectrophotometry. Lead was found in quantities believed to be below the toxic range; concentrations in the control series from Point of Pines were, with few exceptions, higher than in the experimental series from Kinishba.

scholarly journals A Reexamination of Aluminum in Alzheimer's Disease: Analysis by Energy Dispersive X-ray Microprobe and Flameless Atomic Absorption Spectrophotometry

1989 ◽  
Vol 16 (S4) ◽  
pp. 498-503 ◽  
Author(s):  
Roland W. Jacobs ◽  
Taihung Duong ◽  
Robert E. Jones ◽  
George A. Trapp ◽  
Arnold B. Scheibel
Keyword(s):  
Alzheimer’S Disease ◽  
Alzheimer's Disease ◽  
Atomic Absorption ◽  
Atomic Absorption Spectrophotometry ◽  
Energy Dispersive ◽  
Aging Brain ◽  
X Ray ◽  
Flameless Atomic Absorption ◽  
Absorption Spectrophotometry ◽  
Associated Lesions

ABSTRACT:We have attempted to verify the presence of increased aluminum (Al) levels in Alzheimer's disease (AD) brains by energy dispersive X-ray microanalysis (EDX) and flameless atomic absorption spectrophotometry (AAS). Tissue from seven AD brains, mounted on carbon polymerized coverslips, were stained with Congored or treated immunohistochemically to allow optical localization of AD-associated lesions during EDX. Despite a demonstrated sensitivity of 20-25 ppm, we were unable to detect Al in either plaque cores or neurons containing neurofibrillary tangles. For AAS, wet weight samples (ranging from 48-144 mg) from six of the seven AD brains and four controls were selected from regions similar to those studied under EDX, i.e., Brodmann areas 9, 11, 28, 46, 47, and the hippocampus. The tissue surrounding each sample site was sectioned and stained for thioflavin S. Both controls and AD samples revealed similar levels of Al ranging from undetectable to 1.80 ng/mg wet wt. (mean AD: 0.28 ± 0.39 (SD), control: 0.54 ± 0.58 (SD)), independent of degree of histopathology or age of the case. We conclude that the combined strengths of these two techniques on similar tissue specimens demonstrate that abnormal Al levels are not required to produce the histologic findings of AD and that this element may not accumulate in the aging brain. It is unlikely, therefore, that Al is essential in the etiology of pathogenesis of plaques and tangles in AD. Al's role as a primary or secondarily associated event, when present, needs further delineation.

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