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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 color intensity of the resulting solution is then measured by a colorimeter and checked against a calibration curve to determine the nitrite ion concentration. [ 4 ] To analyze nitrate concentrations quantitatively, the sample is first passed through a copper-cadmium column to reduce the nitrate ions quantitatively to nitrite ions, and the ...
Erythritol tetranitrate (ETN) is an explosive compound chemically similar to PETN, [1] though it is thought to be slightly more sensitive to friction and impact.. Like many nitrate esters, ETN acts as a vasodilator, and was the active ingredient in the original "sustained release" tablets, made under a process patent in the early 1950s, called "nitroglyn".
Sodium nitrate is the chemical compound with the formula Na N O 3. This alkali metal nitrate salt is also known as Chile saltpeter (large deposits of which were historically mined in Chile) [4] [5] to distinguish it from ordinary saltpeter, potassium nitrate. The mineral form is also known as nitratine, nitratite or soda niter.
The recommended maximum limits by the World Health Organization in drinking water are 3 mg L −1 and 50 mg L −1 for nitrite and nitrate ions, respectively. [16] Ingesting too much nitrite and/or nitrate through well water is suspected to cause methemoglobinemia. [17]
The largest consumer-to-consumer online auction site is eBay, which researchers suggest is popular because it is a convenient, efficient, and effective method for buying and selling goods. [ 6 ] Despite the benefits of online auctions, the anonymity of the internet, the large market, and the ease of access makes online auction fraud easier than ...
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.
Manganese(II) nitrate is the precursor to manganese(II) carbonate (MnCO 3), which is used in fertilizers and as a colourant. The advantage of this method, based on the use of ammonia ( NH 3 ) and carbon dioxide (CO 2 ) as reaction intermediates, being that the side product ammonium nitrate ( NH 4 NO 3 ) is also useful as a fertilizer.