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Nature, value and utilization of alkali lands

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Published by State Print. Off.,] in Sacramento [Calif .
Written in English


  • Alkali lands

Book details:

Edition Notes

At head of title: University of California--College of Agriculture. Agricultural Experiment Station. E.W. Hilgard, director.

Statementby E.W. Hilgard
SeriesCalifornia Agricultural Experiment Station. Bulletin -- no. 128, Bulletin (California Agricultural Experiment Station) -- 128.
The Physical Object
Pagination46 p. :
Number of Pages46
ID Numbers
Open LibraryOL25199172M
LC Control Number34000934

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In chemistry, an alkali (/ ˈ æ l k əl aɪ /; from Arabic: القلوي ‎ al-qaly "ashes of the saltwort") is a basic, ionic salt of an alkali metal or alkaline earth metal chemical alkali also can be defined as a base that dissolves in water.A solution of a soluble base has a pH greater than The adjective alkaline is commonly, and alkalescent less often, used in English as. ginning in localities where land values have subsequently been much impaired by the rise of alkali. It has been estimated that one-tenth of the irrigated land in the western United States, or approximately , acres, contains an injurious quantity of alkali salts. Some of the most valuable land in that part of the country, adapted at the. The manufacture of industrial alkali usually refers to the production of soda ash (Na 2 CO 3; sodium carbonate) and caustic soda (NaOH; sodium hydroxide).Other industrial alkalies include potassium hydroxide, potash, and production of a vast range of consumer goods depends on the use of alkali at some stage. Alkali Value The molar balance between alkalis and sulphur in clinker is a crucial aspect to consider and optimize in clinker due to it's significant impacts on kiln operation and clinker quality. HiCAl products contain high portions of sodium which allows cement manufactures with low to moderate natural alkali levels in clinker to control and.

ADVERTISEMENTS: After reading this article you will learn about Saline and Alkaline Soil: 1. Nature of Saline and Alkaline Soil 2. Characteristics of Saline and Alkaline Soils 3. Formation 4. Detrimental Effects 5. Reclamation. Nature of Saline and Alkaline Soil: The presence of an excess of sodium salts and the predominance of sodium in the [ ]. IN the Hurter Memorial Lecture to the Society of Chemical Industry (Chemistry and Industry, 54, ; ), Dr. J. T. Conroy gave a very interesting review of the development of the manufacture of.   1. Introduction. Alkali-activated binders have been widely discussed and promoted as a component of the current and future toolkit of ‘sustainable cementing binder systems’,,,,,,.These binders, sometimes also named ‘geopolymers’, can be generated from a wide range of aluminosilicate precursors, with differing availability, reactivity, cost and value worldwide.   Alkali spreading value (a) Alkali test. The alkali test was conducted as suggested by Little et al. () and modified by Bhattacharya and Sowbhagya (). Six whole milled rice kernels were completely immersed in 10 mL of % KOH solution in a Petri dish and arranged so that the grains did not touch each other.

Alkali and Alkaline Earth Metals presents the current scientific understanding of the physics, chemistry, geology, and biology of these two families of elements, including how they are synthesized in the uni-verse, when and how they were discovered, and where they are found on Earth. The book also details how humans use alkalis and alkaline. From the Jacket: The value of Yoga and Nature-Cure techniques to deal with the health problems of the modern age is now widely recognized by therapists as well as patients. Thus. Alkali, or Alkaline, soils are clay soils with high pH (> ), a poor soil structure and a low infiltration capacity. Often they have a hard calcareous layer at to 1 metre depth. Alkali soils owe their unfavorable physico-chemical properties mainly to the dominating presence of sodium carbonate, which causes the soil to swell and difficult to clarify/settle. Alkali or alkaline soils have been defined as soils with high pH-value, which is caused by excessive (usually more than 15% of the exchange sites) amount of exchangeable sodium ions or/and soluble salts capable of alkaline hydrolysis. The most injurious alkaline sodium compounds in the soils and irrigation waters are Na 2 CO 3 (sodium carbonate) or NaHCO 3 (sodium bicarbonate).