This at-home blood test kit gives a full reading of antioxidant, fatty acid, or vitamin panels. The recent spate of acid attacks on women is only the latest manifestation of this dangerous trend. There are a number of bacilli, called acid-fast bacilli, which stain in the same way as the tubercle bacillus.
The amount of the other purin bodies together is about one-tenth that of uric acid. Uric acid is decreased before an attack of gout and increased afterward, but its etiologic relation is still uncertain. An increase is also noted in the uric-acid diathesis and in diseases accompanied by respiratory insufficiency. Indol is absorbed and oxidized into indoxyl, which combines with potassium and sulphuric acid and is thus excreted.
New Word List Word List. Save This Word! We could talk until we're blue in the face about this quiz on words for the color "blue," but we think you should take the quiz and find out if you're a whiz at these colorful terms. Also called aqua fortis. Origin of nitric acid First recorded in — Words nearby nitric acid nitrate film , nitratine , nitrazepam , nitre , nitric , nitric acid , nitric bacteria , nitric oxide , nitridation , nitride , nitriding. How to use nitric acid in a sentence There was intense and passionate resistance to these vaccine mandates, with some people going so far as to burn their arm with nitric acid to make it look like they had smallpox, which left a scar, the New York Times reports.
Nitric acid HNO 3 is an extremely important chemical used in the manufacture of fertilisers and explosives. It is made from ammonia by the Ostwald Process which was developed in by the German chemist Wilhelm Ostwald below, left , who got the Nobel prize for Chemistry in The Ostwald process was discovered just in time for the First World War, and it contributed greatly to the extended length of that war.
This is because previously Germany had no nitrate deposits of its own from which to make the nitric acid that was essential for the production of the explosives used in artillery shells, such as TNT and nitroglycerine. In fact, most of the nitrates were only available from guano , which is the droppings of fish-eating sea birds, and is found in large quantities on the islands off the coast of Peru.
When hostilities began, the shipping routes to Germany across the Atlantic were blocked, and Germany needed a new method to make nitric acid. Coincidentally, again just before WW1 started, another German chemist, Fritz Haber , had found a method to turn inert nitrogen gas from air into ammonia. Without question, the Haber-Bosch process for turning N 2 into NH 3 , combined with the Ostwald process for turning NH 3 into nitric acid, permitted Germany to continue making explosives, and extended the war for many years.
Some people say that without these two chemical processes, WW1 might never have happened at all. Dissolving even more NO 2 into the pure material produces red 'fuming' nitric acid, which is an extremely powerful acid and oxidising agent using in the semiconductor industry for cleaning silicon wafers. This powerful acid attacks even the inert metals gold and platinum owing to the ability of Cl - to stabilise the complexes AuCl 4 - and PtCl 6 As noted above, one important use for nitric acid is the manufacture of various organic nitro compounds, especially explosives, such as trinitrotoluene TNT , nitrocellulose, nitroglycerin , and RDX and PETN the last two being components of Semtex.
For example, nitroglycerine the explosive component of dynamite is made by adding nitric and sulphuric acids to glycerol under very carefully controlled conditions.
These molecules are often strained, and since they contain an in-built supply of oxygen, and N, they readily decompose explosively to give CO 2 and N 2 , releasing a lot of heat very rapidly.
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