Results 21 to 30 of about 63,497 (263)

Ammonium–Amine Co-Activation: Promoting the Sulfurization of Azurite and Its Effect on Xanthate Adsorption

open access: yesMolecules, 2023
Enhanced sulfurization has always been the focus of research on the flotation of copper oxide minerals. In this study, combined ammonium–amine salts were innovatively applied to improve the sulfurization of azurite.
Chao Su   +3 more
doaj   +1 more source

AMMONIUM SALTS AND THE ABDERHALDEN TEST [PDF]

open access: yesArchives of Internal Medicine, 1916
In an earlier communication 1 we have shown that placental substrate, when extracted with water or normal salt solution, yielded considerable quantities of ammonia nitrogen, and that positive Abderhalden (ninhydrin) reactions had been obtained with blood serum dialyzed with ammonium chlorid as a substrate. It has also been demonstrated 2 that, contrary
openaire   +1 more source

Organic acids for broilers: Effects on intestinal morphology and growth performance

open access: yesRevista Colombiana de Ciencias Pecuarias, 2022
Background: Organic acids and ammonium salts added to drinking water can optimize productivity of broiler chickens. Objective: To evaluate the effect of acidifying drinking water on productive performance, blood and intestinal pH, and intestinal ...
Magda Y Serrano-Gamboa   +5 more
doaj   +1 more source

Complex processing of titanium-rare metal raw material

open access: yesE3S Web of Conferences, 2018
The paper is devoted to investigation of the complex processing of titanium-rare metal raw materials with ammonium hydrodifluoride. It is stated that fluorination of the main components of the mineral raw materials with ammonium hydrodifluoride proceeds ...
Medkov Mikhail   +4 more
doaj   +1 more source

THE DIFFERENTIAL TOXICITY OF AMMONIUM SALTS [PDF]

open access: yesJournal of Clinical Investigation, 1958
Intravenous LD50's were determined in young Swiss albino mice, weighing 18 to 22 Gm. (average, 19.7 Gm.). One ml. of isotonic saline containing the ammonium compounds (reagent grade) in varying concentrations was injected into a tail vein during an average time of 1.9 seconds.
openaire   +2 more sources

Leaching Process of Weathered Crust Elution-Deposited Rare Earth Ore With Formate Salts

open access: yesFrontiers in Chemistry, 2020
To strengthen the rare earth leaching process and weaken the hydration of clay minerals for preventing landslides, it is of great importance to adopt a green and sustainable leaching agent in the industry.
Zhuo Chen   +4 more
doaj   +1 more source

Efficient and accurate removal of Na from Xinjiang Zhundong coal with low concentration ammonium salts

open access: yesMeitan xuebao
The Zhundong region in Xinjiang has abundant high-Na coal resource, which can be used as high-quality fuel and chemical raw material. However, the high-Na content can lead to severe equipment pollution and ash slagging during combustion and gasification ...
Jinshui SU   +5 more
doaj   +1 more source

Spectroscopic and Microestructural Evidence for T-2 Toxin Adsorption Mechanism by Natural Bentonite Modified with Organic Cations

open access: yesToxins, 2023
Aluminosilicates are adsorbents able to bind mycotoxins, and their chemical modification increases their affinity to adsorb low-polarity mycotoxins.
Fernando Abiram García-García   +5 more
doaj   +1 more source

Modification of a Brazilian smectite clay with different quaternary ammonium salts

open access: yesQuímica Nova, 2010
In this work, a smectite clay from the State of Paraiba, Brazil, was treated with six different types of ammonium salts, which is an usual method to enhance the affinity between the clay and polymer for the preparation of nanocomposites.
Maria Flávia Delbem   +3 more
doaj   +1 more source

Liquid–liquid phase separation in particles containing organics mixed with ammonium sulfate, ammonium bisulfate, ammonium nitrate or sodium chloride [PDF]

open access: yesAtmospheric Chemistry and Physics, 2013
As the relative humidity varies from high to low values in the atmosphere, particles containing organic species and inorganic salts may undergo liquid–liquid phase separation.
Y. You, L. Renbaum-Wolff, A. K. Bertram
doaj   +1 more source

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