Corrosive solids

CORROSIVE LIQUIDS, POISONOUS, n.o.s. CORROSIVE SOLIDS, FLAMMABLE, n.o.s. CORROSIVE SOLIDS, n.o.s. 

The octahedral hexafluorides are obtained directly from the elements and both are volatile, extremely reactive and corrosive solids, RhFg being the least stable of the platinum metal hexafluorides and reacting with glass even when carefully dried. They are thermally unstable and must be frozen out from the hot gaseous reaction mixtures, otherwise they dissociate. 

Sodium hydroxide, NaOH, is a soft, waxy, white, corrosive solid that is sold commercially as lye. It is an important industrial chemical because it is an inexpensive starting material for the production of other sodium salts. The amount of electricity used to electrolyze brine to produce NaOH in the chloralkali process (Section 12.13) is second only to the amount used to extract aluminum from its ores. The process produces chlorine and hydrogen gases as well as aqueous socFinn hydroxide (Fig. 14.17). The net ionic equation for the reaction is... 

Besides pure chemical corrosion, solid products of corrosion in the system will give rise to erosive corrosion, in which the particles moving with the fluid will impact onto the surfaces and can remove protective surface layers. Such corrosion effects are most pronounced in regions of high fluid-stream velocity. 

The most modern technology used today is the fixed bed alkylation process based on a non-corrosive solid catalyst, which leads to considerable simplification of the overall process as compared with the existing HF or AICI3 alternatives. The process, known as Petresa-UOP DETAL, was first used in 1995 and since then the new LAB plants build in different countries have all been based on this technology. 

Forbidden Passenger Cargo 15-kg Maximum Air Freight Corrosive Solid Shipping Class 8 (IATA)... 

Since black powder is relatively low in energy, it leaves a large proportion of corrosive solids after explosion and absorbs moisture readily, it was succeeded in late 1800s by smokeless gunpowder and picric acid. The first smokeless powder, known as cordite, was invented by tbe English chemists Sir James Dewar and Sir Frederick Augustus Abel in 1889. It was made in two forms a gelatinized nitrocellulose and a mixture of NC and NG with a small quantity of petroleum jelly added to act as a stabilizer. Smokeless powder soon became tbe primary ammunition for use in pistols. 

DOT CLASSIFICATION 8 Label Corrosive SAFETY PROFILE A corrosive solid. 

Caution. Potassium hydride is an extremely flammable, corrosive solid that will ignite violently in moist air. Since an excess of KH is used, care must be taken in the disposal of unreacted material. 

Hazard Forms flammable and explosive gas and corrosive solid with moisture. 

Isobutane and light olefins are the desired hydrocarbon feeds. Unfortunately, impurities such as acetylenes, dienes, sulfur- and oxygen-containing hydrocarbons, cyclopentene, and water are also often present. Purification of the feeds is expensive, but is sometimes cost-effective as a means of reducing the buildup in the acids of conjunct polymers. Dry hydrocarbon feeds are preferred, especially with HE. The water transfers to the HE and is a concern relative to metal corrosion. Solid adsorbents are often used for drying of feedstocks. 

Fouling—Fouling is the formation of deposits other than salt or scale. Fouling may be due to corrosion, solid matter entering with the feed, or deposits formed on the heating medium side. 

Fig. 7.55 Effect of carbon content on susceptibility to intergranular corrosion of 1 8 wt% Cr-10 wt% Ni stainless steels in boiling acidified copper sulfate. Open circle, no corrosion solid circle, intergranular corrosion, (a) 0.050% C, 18.22% Cr, 10.95% Ni, 0.049% N. (b) 0.027% C, 18.35% Cr, 10.75% Ni, 0.043% N. Redrawn from Ref 84...

SILVER FLUORIDE or SILVER(I) FLUORIDE or SILVER MONOFLUORIDE (7775-41-9) AgF AgF HOH Moisture- and light-sensitive, hygroscopic, corrosive solid. Contact with acetylene produces silver acetylide, a shock-sensitive explosive material. Contact with ammonia produces conpounds that are explosive when dry. Contact with hydrogen peroxide causes violent deconposition and release of oxygen gas. Contact with boron, strong oxidizers may cause fire and explosions. Violent reaction when mixed with calcium hydride (fiiction sensitive) dimethyl sulfoxide (DMSO) silicon. Soluble silver compounds attack some forms of plastics, rubber, and coatings. 

Caution. Tributyltin hydride is toxic and readily absorbed through the skin. Niobium pentachloride and niobium pentabromide are corrosive solids. 

It is a corrosive solid. Because it is highly water-reactive, skin contact can cause bum. 

It appears that the breakpoint between irritant and corrosive solid sodium silicates occurs between 2.0 and 2.4 ratio. 

SCI Organic, corrosive, liquid SC2 Organic, corrosive, solid SC3 Inorganic, corrosive, liquid SC4 Inorganic, corrosive, solid... 

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