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CAS No.:7697-37-2 Nitric Acid 60% 65% 68%



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Product Specification

Classification : - CAS No. : - Other Names : - MF : - EINECS No. : - Grade Standard : - Purity (%) : - Appearance : - Application : - Brand Name : -

Product Description

Other Names: Aqua fortis, Spirit of niter, Eau forte, Hydrogen nitrate, Acidum nitricum
Molecular Formula: HNO3 
UN No.: 2031
HS No.:2808000090
CAS No.:   7697-37-2
EINECS No.:      231-714-2
Hazard Class:  8+5.1 
Purity:  60% 65% 68% 
Appearance: Colorless transparent solution
Grade Standard:  
Item Industrial Grade Regent Grade
HNO3 % 55 68 65-68 65-68 65-68
HNO2 % 0.2 0.2 -- -- --
Chroma  max -- -- 20 20 25
Residue on Ignition(SO4) max 0.02 0.02 0.0005 0.001 0.002
Oxide(Cl)% max -- -- 0.00005 0.00005 0.0002
Sulfate(SO4)% max -- -- 0.0001 0.0002 0.001
Fe % max -- -- 0.00002 0.00003 0.0001
As % max -- -- 0.000001 0.000001 0.000005
Cu % max -- -- 0.000005 0.00001 0.00005
Pb % max -- -- 0.000005 0.00001 0.00005
Note: The above specification is satisfy with GB/T 337.2-2014 also accord with European and American Standards. We can accept the Third part test. Such as BV,SGS etc.
 It is made from ammonia by the Ostwald Process (developed in 1902 by the German chemist Wilhelm Ostwald, who got the Nobel prize in 1909). This process reacts together O2 and NH3 at 850°C and 5 atmospheres pressure, with the help of Platinum and Rhodium catalysts, to make NO. This is then oxidised to NO2, which is then dissolved in water to make HNO3. 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 nitroglycerin. 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 so the Ostwald process gave Germany the ability to carry on the war far longer than it would otherwise have been able.
Do not store near combustible materials. Do not store in direct sunlight. Keep container closed when not in use. Store in a cool, dry, well-ventilated area away from incompatible substances. Keep away from metals. Store away from alkalies. Separate from organic materials. Inspect periodically for damage or evidence of leaks or corrosion. 

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Contact Person : Jason

Company:Shijiazhuang Xinlongwei Chemical Co., Ltd.

Address:Shijiazhuang, Hebei, China,


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