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Influence of some environmental factors on release of potassium from feldspar rock [electronic resource].

By:

Rahim, I. S

Language: English Summary language: Arabic Description: p.2445-2451Other title:

تأثير بعض العوامل البيئية على انطلاق البوتاسيوم من صخر الفلسبار [Added title page title]

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Mansoura University journal of agricultural sciences, 2003 v. 28 (3) [electronic resource].

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In: Mansoura University Journal of Agricultural Sciences 2003.v.28(3)Summary: The selected feldspar rock for this investigation is well known as orthoclase sediment at Gebel Rod Ashap. It is estimated that the reserves of this deposit are about 1.2 million ton. This deposit is slightly alkaline, low salinity and almost free of gypsum and carbonates accumulations. The total potassium content is relatively high (7.14%). This sediment includes several members of feldspars. The heavy metals (Ni, Pb) in this sediment are very rare. The results indicated that the increase of the concentration of water soluble potassium after 1 day is very distinct (from 890 to 1560 ppm). However, continuous increment of solubility. but in lower rate until the 7th day. Also the exchangeable potassium enhanced from 2590.0 ppm to 3600.0 ppm after 7 days.

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The selected feldspar rock for this investigation is well known as orthoclase sediment at Gebel Rod Ashap. It is estimated that the reserves of this deposit are about 1.2 million ton. This deposit is slightly alkaline, low salinity and almost free of gypsum and carbonates accumulations. The total potassium content is relatively high (7.14%). This sediment includes several members of feldspars. The heavy metals (Ni, Pb) in this sediment are very rare. The results indicated that the increase of the concentration of water soluble potassium after 1 day is very distinct (from 890 to 1560 ppm). However, continuous increment of solubility. but in lower rate until the 7th day. Also the exchangeable potassium enhanced from 2590.0 ppm to 3600.0 ppm after 7 days.

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