• No results found

Atomic Absorption spectrophotometry

Evaluation of Analytical Procedures in the Determination of Trace Metals in Heavy Crude Oils by Flame Atomic Absorption Spectrophotometry

Evaluation of Analytical Procedures in the Determination of Trace Metals in Heavy Crude Oils by Flame Atomic Absorption Spectrophotometry

... Trace metal contents of crude oils can be determined by various methods including pulse polarography [3], neutron activation [1] [7], proton induced X-ray emission [8], high performance liquid chromatography, [9] and ...

9

The Effect of Ammonium Pyrrolidinedithiocarbamate (APDC) Complexing Agent on the Determination Of Copper Trace in Steel Using Atomic Absorption Spectrophotometry

The Effect of Ammonium Pyrrolidinedithiocarbamate (APDC) Complexing Agent on the Determination Of Copper Trace in Steel Using Atomic Absorption Spectrophotometry

... The absorption of copper in the solvent layer was then measured by atomic absorption ...by atomic absorption spectroscopy for copper and none was detected in any of the ...

6

Assessment of Heavy Metals in Rice using Atomic Absorption Spectrophotometry – A Study of Different Rice Varieties in Pakistan

Assessment of Heavy Metals in Rice using Atomic Absorption Spectrophotometry – A Study of Different Rice Varieties in Pakistan

... 2380 atomic absorption spectrophotometer was used in Flame atomic absorption mode for the determination of Cd, Co, Cr, Pb, Ni, Cu, Mn, and ...for atomic absorption ...

8

The Effect of two Comlexing Agents (Naddc and Zndbc) on the Determination of Copper Trace in Steel Using Atomic Absorption Spectrophotometry

The Effect of two Comlexing Agents (Naddc and Zndbc) on the Determination of Copper Trace in Steel Using Atomic Absorption Spectrophotometry

... the absorption increased slowly with time and this is apparent even after half an ...The absorption of all solvent extracts was subsequently measured as soon as possible after extraction and in no case more ...

12

Determination and Evaluation of Mineral Constituents of Medicinal Plants used for the Treatment of Asthma and other Ailments by Atomic Absorption Spectrophotometry

Determination and Evaluation of Mineral Constituents of Medicinal Plants used for the Treatment of Asthma and other Ailments by Atomic Absorption Spectrophotometry

... Triplicate samples of each medicinal plant were washed with distilled water to remove foreign particles dried at 75-80 0 C in oven until achieving the constant weight. All samples were separately ground to powder form ...

7

Determination of Copper Trace in Steel by Direct Method Using Atomic Absorption Spectrophotometry

Determination of Copper Trace in Steel by Direct Method Using Atomic Absorption Spectrophotometry

... by atomic absorption spectrophotometry. Absorption due to copper was measured at ...The absorption of each solution measured at least three ...

10

METAL DETERMINATION FROM MEDICINAL HERBAL PRODUCT OF SARPGANDHA BY AAS (ATOMIC ABSORPTION SPECTROPHOTOMETRY)

METAL DETERMINATION FROM MEDICINAL HERBAL PRODUCT OF SARPGANDHA BY AAS (ATOMIC ABSORPTION SPECTROPHOTOMETRY)

... Sarpagandha is one of the most important medicinal plant in Ayurvedic medicine. Over 30 alkaloids [1] have been isolated. A synthetic derivative Reserpine, was marked for many years as an effective medicine for blood ...

10

Atomic Absorption Spectrophotometry Detection of Microelement in Some Animal Products from Various of Merowe–Sudan

Atomic Absorption Spectrophotometry Detection of Microelement in Some Animal Products from Various of Merowe–Sudan

... Na, K, Cl, Mg while trace minerals include such as Fe, Zn, Cu, Mn, Co, Cd, and Pb [7]. These trace elements are responsible for many pernicious effects on human health as immune depression and skin diseases (zinc and ...

8

Identification of toxic and other matters in wines by the method of Atomic Absorption Spectrophotometry (AAS)

Identification of toxic and other matters in wines by the method of Atomic Absorption Spectrophotometry (AAS)

... From the results obtained, one may conclude that tested products have been produced in conditions of no contamination with heavy metals in soil, air, water or any other [r] ...

6

Separation/Enrichment of Copper and Silver Using  Titanium Dioxide Nanoparticles Coated with Poly Thiophene and Their Analysis by Flame Atomic  Absorption Spectrophotometry

Separation/Enrichment of Copper and Silver Using Titanium Dioxide Nanoparticles Coated with Poly Thiophene and Their Analysis by Flame Atomic Absorption Spectrophotometry

... affecting the adsorption and desorption steps for the mentioned ions were investigated and optimized. The studied factors include effects of pH, adsorption and de- sorption time, type, concentration, and volume of the ...

9

The role of chromate reductase enzyme activity for effective reduction of chromium by pseudomonas aeruginosa

The role of chromate reductase enzyme activity for effective reduction of chromium by pseudomonas aeruginosa

... with Atomic Absorption ...by Atomic Absorption ...The Atomic Absorption Spectrophotometry analysis of 400 ppb chromium control exhibited ...by Atomic ...

6

Chemical Modification of Chitosan for Metal Ion Removal

Chemical Modification of Chitosan for Metal Ion Removal

... chitosan).Atomic absorption spectrophotometry technique have been used to results adsorption data at different conditions of (contact time, ...

7

Determination of the absorption coefficient of chromophoric dissolved organic matter from underway spectrophotometry

Determination of the absorption coefficient of chromophoric dissolved organic matter from underway spectrophotometry

... particulate absorption, attenuation and backscattering coefficients [9–15], the current study focused on developing and validating a semi-automated method for determining a y using an underway ...

17

ELEMENTAL ANALYSIS OF AYURVEDIC DRUGS (BHASMAS) BY ATOMIC ABSORPTION SPECTROMETER

ELEMENTAL ANALYSIS OF AYURVEDIC DRUGS (BHASMAS) BY ATOMIC ABSORPTION SPECTROMETER

... and K, and minerals required in minute amount called trace elements/ minerals, such as Cu, I, Fe, Mn, Cr, and Zn. There is a noticeable point that if any one of the trace elements becomes too high in body, it can affect ...

5

Forensic Comparisons of Soils by Neutron Activation and Atomic Absorption Analysis

Forensic Comparisons of Soils by Neutron Activation and Atomic Absorption Analysis

... In an actual case, where a limited number of soil samples are collected, an estimate of the probability of finding two soils from different locations with the same trace elemental compos[r] ...

8

Fundamental studies of the applications of atomic fluorescence spectroscopy to steel analysis

Fundamental studies of the applications of atomic fluorescence spectroscopy to steel analysis

... The interference of twenty-seven elements, including iron, on the atomic fluorescence of tin was studied. The concentration of tin in 0.4M hydrochloric acid was kept constant at 10 ppm and the concentration of ...

380

Comparison of Some Human Tissues and Some Commonly Used Thermoluminescent Dosimeters for Photon Energy Absorption

Comparison of Some Human Tissues and Some Commonly Used Thermoluminescent Dosimeters for Photon Energy Absorption

... energy absorption coefficients, ⁄ , are shown in ...photoelectric absorption, Compton scattering and pair production are clearly seen from the ...photoelectric absorption is the dominant process at ...

5

“Flame Atomic Absorption Spectrophotometric and Polarographic Methods for Zinc Determination in Infant's Milk Samples” by Rania Matar, Mayssam Salami, Syria.

“Flame Atomic Absorption Spectrophotometric and Polarographic Methods for Zinc Determination in Infant's Milk Samples” by Rania Matar, Mayssam Salami, Syria.

... However, the best methods to determine metals in pharmaceutical, environmental and foodstuff materials, are the electrochemical methods and AAS which serves as a complementary method. Analysis by atomic ...

5

Aspects of atomic absorption analysis including the assay for selenium

Aspects of atomic absorption analysis including the assay for selenium

... Figure 4,12 shows the range of distributions likely to be met in atomic absorption analysis. Most of these distributions show a small region of higher density. Thus a worker using the common optical ...

104

Speciation analysis of trace metals in natural waters using vibrating electrodes

Speciation analysis of trace metals in natural waters using vibrating electrodes

... Atomic Absorption Spectroscopy Atomic Emission Spectroscopy Anodic Stripping Voltammetry Bismuth Bulk Disk Electrode Bismuth Film Carbon Paste Electrode Bismuth Film Glassy Carbon Electr[r] ...

161

Show all 8401 documents...

Related subjects