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Date: 2015/02/04
Language: en
Type: Text
Identifier: tut:3314
Description: A method for speciation of vanadium in solid samples was developed for quantification of vanadium(+5) in solid samples of sediment Certified Reference Materials (CRM) PACS-2 and MESS-3 (Trace Elements ... More
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Date: 2010-02-02
Type: Text
Identifier: tut:1424
Description: Solid Certified Reference Materials (CRMs) with known vanadium(+5) content are currently not commercially available. Because of this, vanadium species have been determined in solid CRMs of soil, viz. ... More
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Date: 2009/07/23
Language: en
Type: Text
Identifier: tut:4228
Description: The impact of ferrochrome smelter on the contamination of its environment with toxic hexavalent chromium, Cr(VI), was assessed by analyzing smelter dusts, soil, grass and tree barks. For the separa- t ... More
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Date: 2009/05/13
Language: en
Type: Text
Identifier: tut:4213
Description: The natural leaching of vanadium(V) with CO2 from soil-water in the presence of ammonia, a known precursor to atmospheric aerosols, has been tested by bubbling carbon dioxide through soil suspension w ... More
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Date: 2007-08-05
Type: Text
Identifier: tut:1406
Description: The needles of Aleppo pine (Pinus halepensis L.) tree were tested as a possible bio-monitor of heavy metal pollution in Amman City, Jordan. Concentrations of Pb, Cd, Cu and Zn were determined in soils ... More
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Date: 2007-07-20
Type: Text
Identifier: tut:1405
Description: The mystery surrounding high concentrations of Cr(III) in plants has been uncovered. It is attributed to the presence of low molecular weight organic acids (LMWOA) in soil in which the plants are grow ... More
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Date: 2006-11-24
Type: Text
Identifier: tut:1404
Description: The level of the generation of hexavalent chromium during ferrochrome productionwas checked. The concentration of Cr(VI) increases with each stage of ferrochrome production, 7070 g g−1 being the highe ... More
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Date: 2006-09-04
Type: Text
Identifier: tut:1407
Description: The distribution of vanadium(V) species between soil and plants around the vanadium mine have been studied. The mine dam spilled water around this area after collapsing some time ago. V(V) species wer ... More
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Date: 2006-03-17
Type: Text
Identifier: tut:1403
Description: The impact of a chromium smelter on pollution was evaluated by determining Cr(VI) in topsoil, grass and tree bark by electhrothermal atomic absorption spectrometry (ETAAS). It was found that bark refl ... More
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Date: 2006/01/24
Language: en
Type: Text
Identifier: tut:2511
Description: A method was developed which allow separate determination of Cr(VI) and total Cr from the same minute sample of atmospheric aerosols. Cr(VI) was leached was with 0.1 M Na2CO3 and the total Cr concentr ... More
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Date: 2005-11-05
Subject: Speciation | Leaching
Type: Text
Identifier: tut:1402
Description: Vanadium(IV) and vanadium(V) were easily separated from each other in the same plant sample and be determined independently by ETAAS (electrothermal atomic absorption spectrometry). This was achieved ... More
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Date: 2005-01-14
Type: Text
Identifier: tut:1416
Description: The determination of chromium (VI) compounds in plants by electrothermal atomic absorption spectrometry (ET AAS) is proposed based on their leaching with 0.1 M Na2CO3. Due to the presence of relativel ... More
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Date: 2005/01/01
Subject: Leaching | Soil
Language: en
Type: Text
Identifier: tut:2405
Description: The leaching of V(V) from soil by two phosphate reagents, viz. (NH4)2HPO4 and Na3PO4 have been studied. (NH4)2HPO4 (1 M) and Na3PO4 (0.01 M) were efficient enough to extract all V(V) species from sampl ... More
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Date: 2005
Subject: Chromate | Cr(VI)
Language: en
Type: Text
Identifier: tut:3574
Description: A saturated solution of PbCrO4 has been proposed as a Calibration Reference Material for Cr(VI). Statistically evaluated results of Cr(VI) determination in a saturated solution of PbCrO4 by electrothe ... More
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Date: 2004/04/29
Language: en
Type: Text
Identifier: tut:4225
Description: Vanadium(V) is a potentially dangerous chemical pollutant, which coexists in the natural environment with V(IV) species. A method of selectively leaching V(V) species from soil is presented in this wo ... More
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