Trace Metal Monitoring by Atomic Absorption Spectrometry

Barrett, P. F.; Copeland, Thomas R.

doi:10.1021/bk-1979-0094.ch007

Cited by 3 publications

(2 citation statements)

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“…(American Oil Chemist Society) [12], Usoro et al [15], Clark [2], and Williams [16], respectively. The acid value was determined by the method outlined by Mahatta [17], while the kinematic viscosity was determined by the Institute of Petroleum (IP) [18], and standard method [19]. The flash point and carbon residue were determined by the American Society for Testing and Materials (ASTM) method [20].…”

Section: Sample Collection and Preparationmentioning

confidence: 99%

<b>Biodiesel fuels from palm oil, palm oil methylester and ester-diesel blends</b>

Ajiwe

Ajibola

Martins

2003

Bull. Chem. Soc. Eth.

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Because of increasing cost and environmental pollution effects of fossil fuels, palm oil, its methylester and ester-diesel blends were analyzed comparatively with diesel for their fuel properties that will make them serve as alternatives to diesel in diesel engines. Equally, the samples were comparatively analyzed for their trace metal composition in relation to corrosion. Also the bond structure/stability of the samples in relation to diesel were monitored with a Fourier transform infrared spectrometer. Results confirmed that most methylester blends with diesel fell within the grade 2D while the oil, methylester and 90:10 blend fell into 4D grade diesel fuels. From bond structure/stability comparison, all the samples were stable at 28 o C and had similarity in structure with diesel. All samples are commercializable. The trace metal composition of most samples was below that of the diesel with exception of Mn, Pb and Zn. The total acid numbers of all samples were below that of diesel and would not cause corrosion. It is recommended that processing of these samples should be done to conserve fossil fuel and as alternative diesel fuels in diesel engines.

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Section: Sample Collection and Preparationmentioning

confidence: 99%

<b>Biodiesel fuels from palm oil, palm oil methylester and ester-diesel blends</b>

Ajiwe

Ajibola

Martins

2003

Bull. Chem. Soc. Eth.

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“…The refractive index was determined by the method outlined by Williard et al, while kinematic viscosity was determined by the Institute of Petroleum Standards (IP) . Crude fiber and crude protein were determined by the official methods of analysis of the AOAC, while the trace elements were determined by the methods described by Barrette and Copeland …”

Section: Microelements and Other Fuel Properties Of Pear Seed Oil And...mentioning

confidence: 99%

African Pear Seed Oil: Potential Alternative Source to Diesel Oil

Ajiwe

Obika

1999

Energy Fuels

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Diesel engines represent the most widely used machines in agriculture. The prices of diesel oil as fuel continue to increase because the sources of crude oil are diminishing. In addition, the exhaust gases from the combustion of fossil fuels in the engines pollute the environment. African pear seed (Dacryodes edu l is) oil was tested to find out if it possesses physical and chemical properties enabling it to be used as fuel for diesel engines. Oil was extracted from the dried and crushed African pear seed by soxhlet extraction. The oil yield was 27%, and the oil had a light yellow color. The extracted oil and diesel oil were comparatively analyzed for fuel properties: relative density, refractive index, viscosity, water content, calorific value, ash content, and burning characteristics. Similarly, the seed sample was analyzed proximately for moisture, ash, protein, fat, carbohydrate, crude fiber, and energy content. Results showed that the African pear seed oil had fuel properties similar to those of diesel oil. This confirmed that African pear seed oil could be utilized as a substitute for diesel oil. Again, the proximate results showed that it had nutritional values and could be used for inclusion in animal feed formulation. It is suggested that the pear seed oil should be processed to serve as a substitute for diesel oil and that the defatted seed should be used for animal feed manufacture.

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Fluorescence chemosensor properties of two coumarin-based compounds for environmentally and biologically important Al3+ ion

Qin

Wang

et al. 2017

Journal of Photochemistry and Photobiology A: Chemistry

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Trace Metal Monitoring by Atomic Absorption Spectrometry

Cited by 3 publications

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<b>Biodiesel fuels from palm oil, palm oil methylester and ester-diesel blends</b>

<b>Biodiesel fuels from palm oil, palm oil methylester and ester-diesel blends</b>

African Pear Seed Oil: Potential Alternative Source to Diesel Oil

Fluorescence chemosensor properties of two coumarin-based compounds for environmentally and biologically important Al3+ ion

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