NITRIC ACID above

Aluminum has high resistance to atmospheric conditions as well as to industrial fumes and vapors and fresh, brackish, or salt waters. Many mineral acids attack aluminum, although the metal can be used with concentrated nitric acid (above 82 percent) and glacial acetic acid. Aluminum cannot be used with strong caustic solutions. 

The percentage conversion of nitrogen peroxide into nitric acid for different concentrations of nitric acid—per cent. HNOs by wt.—with gas containing different proportions of nitrogen peroxide is given in Table XXX. Nitric acid above 50 per... 

Pumps can be used for both loading and unloading nitric acid. Standard chemical pumps may be used for nitric acid concentrations up to 70% if they are made of suitable materials (for example, DIN/EN 1.4408 = UNS I 92900 (ASTM A 296 Grade C78M). Magnetically coupled, side-channel pumps made from Antinite (DIN/EN 1.4361 = UNS S 30601) or compressed-air diaphragm pumps made of PTFE/TFM composite are recommended for highly concentrated nitric acids above 70%97. 

Nitromethane is sparingly soluble in water. The compound is of industrial interest as a solvent rather than as an explosive. Its technical synthesis involves nitration of methane with nitric acid above 400 °C (750 °F) in the vapor phase. 

Efforts to determine distribution coefficients for Pu(III) using 0.025M Fe(S03NH2)2 or 0.025M sodium formaldehyde sulfoxylate (NaCH20S02) were successful up to 1.0M nitric acid. Above that concentration, oxidation to Pu(IV) readily occurred. 

Bismuth oxychloride (BiOCl) is a colorless fine powder, which melts at 232°C and boils at 447°C. It is practically insoluble in water and alcohols, but readily soluble in hydrochloric acid and nitric acid. Above 570°C, it liberates BiCb to be transformed into a Bi405Cl3 compound. Among bismuth oxyha-lides, only the oxychloride is available commercially at a cost of US 30.00 ( 7500) for a sample of 99% purity and US 98.60 ( 24 400) for a sample of 99.99% purity per 50 g. However, other oxyhalides can readily be prepared by partial hydrolysis of trivalent bismuth halides or by the interaction of basic bismuth nitrate (BiO(N03)) with the corresponding sodium halide in aqueous... 

ANONE (108-94-1) Forms explosive mixture with air (flash point 111°F/44°C). Incompatible with amines, oxidizers, hydrogen peroxide, strong acids. Violent reaction with nitric acid above 165°F/73°C. Dissolves plastics, resins, and rubber. Attacks red metals and lead. Flow or agitation of substance may generate electrostatic charges due to low conductivity. 

Calcium hypochlorite Nitric acid (above 70%) Sodium peroxide Potassium permanganate... 

Chlorinated polyether is sold under the tradename of Penton. It has a maximum operating temperature of 225°F (107°C). CPE is resistant to most acids and bases, oxidizing agents, and common solvents. It has the advantage of being able to resist acids at elevated temperatures. It is not resistant to nitric acid above 10% concentration. Refer to Table 2.38 for the compatibility of CPE with selected corrodents. Reference [1] provides a more comprehensive listing. 

NITRIC ACID (above 70%) nitric acid (50%), see NITRIC ACID 2,2, 2 -nitrilo-triethanol p-NITROANILINE 4-nltroaniline... 

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