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Document Type |
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Project |
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Document Title |
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Critical analysis to the changing exchange rate: the experience of the Saudi riyal. التحليل النقدي لتغير سعر الصرف: تجربة الريال السعودي. |
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Document Language |
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Arabic |
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Abstract |
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In this research was appointed some of the elements after nitric acid digestion and after extraction with water for ten types of cardamom and five types of coffee and three types of tea and one type of ginger and two types of each of cinnamon and black pepper. Acid digestion was conducted for the whole grain of cardamom, and the crust only. Also conducted with water to bead extraction cardamom complete, and only after the peel milling, without grinding. The coffee was conducted by Thiimha nitric acid after grinding each sample after roasting and roasting while he was without water extraction for different types of coffee without grinding or after roasting and grinding of samples and the roasted and unroasted. Was acid digestion and extraction of samples with water, tea and spices as they are, as I had an extraction with water after the grinding of spices as well. The estimated Alastranhim and manganese, zinc, aluminum, chromium, phosphorus, copper and iron for all types of samples in the aqueous extract after acid digestion, in the device emission spectrum. (ICP Plasma 200 Emission Spectrometer) The comparison was made between the amounts of elements in the aqueous extract, after acid digestion of different samples of each type separately. The comparison was made between the amounts of these elements in different species in the samples studied.
Found that the spices used contain varying proportions of aromatic oils and mineral salts, and these percentages shown in the original search. |
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Publishing Year |
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1411 AH
1991 AD |
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Added Date |
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Wednesday, April 30, 2008 |
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Researchers
| عبدالعزيز أحمد دياب | diab, abdulaziz ahmed | Investigator | Doctorate | |
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