نتایج جستجو برای: sodium salts
تعداد نتایج: 211129 فیلتر نتایج به سال:
The ruminal selenomonad strain H18 grew rapidly (mu = 0.50 h-1) in a defined medium containing glucose, ammonia, purified amino acids, and sodium (95 mM); little if any ammonia was utilized as a nitrogen source. When the sodium salts were replaced by potassium salts (0.13 mM sodium), there was a small reduction in growth rate (mu = 0.34 h-1), and under these conditions greater than 95% of the c...
Soluble salts are compounds found inside ornamental rocks and building stones exposed to atmospheric agents in environments rich alkaline metal ions, such as sodium potassium. The damage induced by their crystallization those materials, used build monuments architectural structures of great importance, is an unsolved problem. Sodium sulfate one the most common harmful salt these constructions. ...
LITHIuM, the lightest metal, has an atomic weight of seven and closely resembles sodium chemically. The ion is toxic and there are no therapeutic uses for lithium salts. Good (1903) quoted investigations of nearly twenty years previously in animals, where intravenous lithium salts depressed the heart's action and caused a fall in blood pressure. The dose of lithium salts necessary to stop the h...
This work examines formate salts as potential phase change materials (PCMs) for middle-high temperature (?250 °C) latent heat thermal energy storage applications. The thermophysical properties of three were characterized: pure sodium and binary blends sodium/potassium sodium/calcium formate. stability PCM’s was evaluated by cycling using differential scanning calorimetry where appeared stable o...
In this work attempts were made to evaluate K+-SDS and hydrocolloid polymer-SDS interactions in flocculation of megestrol acetate dispersions to enhancetheir stability as a part of suspension formulation. Different dispersions of micronized megestrol acetate and SDS were prepared. KCl and KH2PO4 and their corresponding sodium salts were added to the dispersions and the preparations were evaluat...
Easy, safe, and effective novel methods for preparing either (diacetoxyiodo)arenes, ArI(OAc)2, or iodylarenes, ArIO2, from the corresponding iodoarenes, ArI, using sodium periodate as the oxidant are presented in this paper. In order to obtain 2and 4iodylbenzoic acids, the respective sodium salts of 2and 4-iodobenzoic acids should be used as the starting substrates, because mixtures containing ...
A palladium-catalyzed desulfitative hydroarylation of alkynes with aryl sulfinic acid sodium salts is described. The reaction showed good regio- and stereoselectivity, and afforded the hydroarylation products in good yields. Various functional groups were well tolerated under the optimized reaction conditions.
Dietary sodium restriction coupled with axotomy of the rat chorda tympani nerve (CTX) results in selectively attenuated taste responses to sodium salts in the contralateral, intact chorda tympani nerve. Converging evidence indicates that sodium deficiency also diminishes the activated macrophage response to injury on both the sectioned and contralateral, intact sides of the tongue. Because a so...
Textile industries are one of the major contaminators of water and soil. Sodium is the only major cation present in textile wastewater due to high consumption of sodium salts in processing units. Many aquatic macrophytes are successfully used for phytoremediation of contaminated water. An attempt has been made to test the potential of Salvinia molesta in reduction of sodium from textile effluen...
Capillary electrophoresis (CE) with capacitively coupled contactless conductivity detection (C4D) was used for determination of sodium and potassium concentrations in diet and non-diet soft drinks. Higher sodium concentrations were found in the diet samples due to the utilization of sodium salts of cyclamate and saccharine as sweeteners. The CE-C4D method can be used by food industries and heal...
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