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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]
In organic chemistry, nitration is a general class of chemical processes for the introduction of a nitro group (−NO 2) into an organic compound.The term also is applied incorrectly to the different process of forming nitrate esters (−ONO 2) between alcohols and nitric acid (as occurs in the synthesis of nitroglycerin).
The resultant nitric acid was then used as a source of nitrate (NO 3 −) in the reaction + + + which may take place in the presence of water or another proton acceptor. It was developed by Norwegian industrialist and scientist Kristian Birkeland along with his business partner Sam Eyde in 1903, [ 2 ] based on a method used by Henry Cavendish ...
Vial of Depo-Testosterone, a depot injection of testosterone. A depot injection, also known as a long-acting injectable (LAI), is a term for an injection formulation of a medication which releases slowly over time to permit less frequent administration of a medication.
A common nitrate test, known as the brown ring test [2] can be performed by adding iron(II) sulfate to a solution of a nitrate, then slowly adding concentrated sulfuric acid such that the acid forms a layer below the aqueous solution. A brown ring will form at the junction of the two layers, indicating the presence of the nitrate ion. [3]
Hummers' method is a chemical process that can be used to generate graphite oxide through the addition of potassium permanganate to a solution of graphite, sodium nitrate, and sulfuric acid. It is commonly used by engineering and lab technicians as a reliable method of producing quantities of graphite oxide.
Modified-release dosage is a mechanism that (in contrast to immediate-release dosage) delivers a drug with a delay after its administration (delayed-release dosage) or for a prolonged period of time (extended-release [ER, XR, XL] dosage) or to a specific target in the body (targeted-release dosage).
The medical application was never widespread, the standard nitroglycerine being faster acting and very inexpensive; oral nitrates in any case being only palliative, not an effective treatment. Triethylene glycol dinitrate , diethylene glycol dinitrate, and trimethylolethane trinitrate are being considered as replacements for nitroglycerin in ...