TUTDoR

Showing items 1 - 15 of 24.

Add to Quick Collection   All 24 Results

Sort:
 Add All Items to Quick Collection
Date: 2015/09/15
Language: en
Type: Text
Identifier: tut:3054
Description: A total of 100 samples of green coffee (Coffea arabica L.) beans from the major producing regions of Ethiopia were studied using ultra performance liquid chromatography–mass spectroscopy to determine ... More
Full Text: Full Text
Date: 2015/06/03
Language: en
Type: Text
Identifier: tut:3057
Description: The quantification of 14 polycyclic aromatic hydrocarbons (PAHs) was carried out in sediment sam-ples collected from Akaki River, Lake Awassa, and Lake Ziway, Ethiopia. The concentration of PAHs in th ... More
Full Text: Full Text
Date: 2015/02/01
Language: en
Type: Text
Identifier: tut:3052
Description: A novel nano-scale polyaniline/Fe° composite (termed as PANI/Fe°) was synthesized via reductive deposition of nano-Fe0 onto the PANI nanofibers matrix at room temperature. PANI/Fe° was characterized b ... More
Full Text: Full Text
Date: 2015
Language: en
Type: Text
Identifier: tut:3028
Description: Contamination of soils with the explosive hexahydro-1,3,5-trinitro-1,3,5-triazine (RDX, Research Department Explosive) as a result of military applications is a large-area problem globally. Since coni ... More
Full Text: Full Text
Date: 2014/05/12
Language: en
Type: Text
Identifier: tut:3125
Description: The association of elements Cd, Co, Cr, Fe, Mn, Pb, Ti, and V with various geochemical phases in the sediments from the Olifants, Klein Olifants, Wilge rivers, and a tributary of the Olifants River wa ... More
Full Text: Full Text
Date: 2010-01-08
Type: Text
Identifier: tut:1426
Description: The objective of this study was to (1) measure the concentration of four anions (Cl-, F-, NO and SO ) and nine other elements (Al, Ba, Ca, K, Mg, Mn, Fe, Ni, and Si) in two nontraditional biopolymeric ... More
Full Text: Full Text
Date: 2009-01-22
Subject: Coal slurries | ICP OES
Type: Text
Identifier: tut:1430
Description: The characterisation and stability of coal slurries for introduction into an inductively coupled plasma optical emission spectrometer (ICP OES) and the application of slurries in the analysis of coal ... More
Full Text: Full Text
Date: 2009-01-22
Subject: Cows | Spectrometry
Type: Text
Identifier: tut:1431
Description: Chromium can act either as an essential micronutrient or a chemical carcinogen, depending on its oxidation state. Of the two most stable chromium oxidation states, Cr(VI) is a known carcinogen, while ... More
Full Text: Full Text
Date: 2008
Language: en
Type: Text
Identifier: tut:4191
Description: A slurry nebulisation technique was applied for elemental analysis of bituminous coals SARM 18, SARM 19 and four coals from three different seams in Witbank, South Africa, by inductively coupled plasm ... More
Full Text: Full Text
Date: 2008
Type: Text
Identifier: tut:1394
Description: The levels of trace elements are an important component of safety and quality of milk. While certain elements such as chromium are essential at low levels, an excess can result in deleterious effects ... More
Full Text: Full Text
Date: 2007-11-17
Subject: Bovine liver | ICP-OES
Type: Text
Identifier: tut:1397
Description: A method that involves analysis of bovine liver by slurry nebulization and ICP-OES has been developed. This method permits rapid and accurate determination of Cu, Fe, Mg, Mn and Zn in bovine liver. Al ... More
Full Text: Full Text
Date: 2007-07-12
Type: Text
Identifier: tut:1574
Description: Currently, South Africa is designing a strategy for surface water protection involving organic contaminants such as dichlorodiphenyltrichloroethane (DDT), which is currently used for malaria control i ... More
Full Text: Full Text
Date: 2007-01-10
Type: Text
Identifier: tut:1400
Description: † Background and Aims: Lippia scaberrima, an aromatic indigenous South African plant, with medicinal application, potentially has economic value. The production of essential oil from this plant has no ... More
Full Text: Full Text
Date: 2005-09-01
Type: Text
Identifier: tut:1415
Description: A glow discharge using a solution as the cathode was investigated to add to the understanding of the operating mechanism and characteristics of such systems. The intensities and vertical distributions ... More
Full Text: Full Text
Date: 2004/10/24
Language: en
Type: Text
Identifier: tut:2403
Description: Iron and manganese removal from water is considered a routine operation in most potable water treatment plants. However, when there is dissolved organic carbon (DOC) present in the water source, it ca ... More
Full Text: Full Text