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Isosorbide dinitrate is in the nitrate family of medications and works by dilating blood vessels. [1] Isosorbide dinitrate was first written about in 1939. [3] It is on the World Health Organization's List of Essential Medicines. [4] Isosorbide dinitrate is available as a generic medication. [1] [5] A long-acting form exists. [1]
The main difference between solution (1) and solution (2) is the different use of nitrate-nitrogen and ammonium-nitrogen based stock solutions to prepare the respective Hoagland solution of interest. Accordingly, the original 1933 and the modified concentrations of 1938 and 1950 for each essential element and sodium are shown below, the ...
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The procedure starts with 100 g graphite and 50 g of sodium nitrate in 2.3 liters of sulfuric acid at 66 °C which is then cooled to 0 °C. 300 g of potassium permanganate is then added to the solution and stirred. Water is then added in increments until the solution is approximately 32 liters.
The first long-acting (depot) injections were antipsychotics fluphenazine and haloperidol. [2] The concept of a depot injection arose before 1950, and originally was used to describe antibiotic injections that lasted longer to allow for less frequent administration.
Silver thiosulfate (STS, chemical formula Ag 2 S 2 O 3) is an inorganic chemical that can promote early flower growth and promote flower duration in a variety of plants. [2] [3]An aqueous solution of silver thiosulfate can be prepared by mixing solutions of sodium thiosulfate and silver nitrate.
Organic nitrites are prepared from alcohols and sodium nitrite in sulfuric acid solution.They decompose slowly on standing, the decomposition products being oxides of nitrogen, water, the alcohol, and polymerization products of the aldehyde. [1]
Gallium nitrate injection is a clear, colorless, odorless, sterile solution of gallium nitrate, a hydrated nitrate salt of the group IIIa element, gallium. The stable, nonahydrate, Ga(NO 3) 3 •9H 2 O is a white, slightly hygroscopic, crystalline powder of molecular weight 417.87, that is readily soluble in water. Each mL of Ganite (gallium ...