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Arsine gas is generated when metals or crude ores containing arsenic impurities are treated with acid. Arsine gas is colorless nearly odorless and it does not produce tissue irritation.
Each NBC-77 SOF gas mask filter is sealed in a plastic bag by the manufacturer.
Arsine gas arsenic. Arsane is an inorganic compound with the formula As H 3This flammable pyrophoric and highly toxic pnictogen hydride gas is one of the simplest compounds of arsenic. Despite its lethality it finds some applications in the semiconductor industry and for the synthesis of organoarsenic compoundsThe term arsine is commonly used to describe a class of organoarsenic. Arsine SA is a highly toxic gas formed by the reaction of arsenic-containing substances with hydrogen in water or acids.
It is used in the semiconductor and computer chip crystal manufacturing industry. Exposure to arsine SA in sufficient quantities can be fatal. Arsine SA is nonirritating produces no immediate symptoms and odor is not an adequate indicator of arsines SA presence.
Arsine gas is the most toxic form of arsenic. Inhalation of over 10 ppm is lethal and at concentrations higher than 25 ppm are reported to be lethal in less than an hour after exposure while over 250ppm is reported to be instantaneously lethal. Arsine gas is colorless nearly odorless and it does not produce tissue irritation.
Due to this the affected individual may fail to recognize. The toxicity of arsine gas is quite different from toxicity of other arsenicals requiring different emphases in. The medical history physical examination and.
It is important to recognize that although arsine is an arsenical it has distinct differences from other arsenicals. Arsine is a powerful hemolytic poison in both acute and chronic exposures. Arsine gas AsH 3 has become an important dopant gas in the microchip industry although it requires strict guidelines regarding its use because it is extremely toxic.
During the 18th 19th and 20th centuries a number of arsenic compounds have been used as medicines. Copper acetoarsenite was used as a green pigment known under many different names. When heated at standard atmospheric pressure arsenic changes directly from a solid to a gas or sublimates at a temperature of 887 K.
In order to form liquid arsenic the atmospheric pressure must be increased. At 28 times standard atmospheric pressure arsenic melts at a temperature of 1090 K. If it were also measured at a pressure of 28 atmospheres arsenics boiling point would be higher.
Arsine gas is more nephrotoxic than arsenic. However both can cause acute tubular necrosis Giberson et al. Both acute and chronic exposure to high levels of arsenic may result in a wide range of adverse cardiovascular effects.
There is limited strength of association between chronic arsenic exposure and peripheral vascular disease hypertension. Strong oxidizers bromine azide Note. Hydrogen gas can react with inorganic arsenic to form the highly toxic gas arsine Exposure Routes inhalation skin absorption skin andor eye contact ingestion Symptoms Ulceration of nasal septum dermatitis gastrointestinal disturbances peripheral neuropathy resp irritation hyperpigmentation of skin potential occupational carcinogen Target.
Acute toxic inorganic arsenic exposure and arsine gas exposure can rapidly result in death and there are only a few ways to possibly save the patients life. Hemodialysis can remove arsenic from the bloodstream but only before it binds to the tissues so there is only a short time window for this treatment to work. Similarly arsine binds to and causes rapid destruction of red blood cells so.
Arsenic trioxide is an amphoteric oxide and its aqueous solutions are weakly acidic. Reduction gives elemental arsenic or arsine AsH 3 depending on conditions. As 2 O 3 6 Zn 12 HNO 3 2 AsH 3 6 ZnNO 3 2 3 H 2 O.
This reaction is used in the Marsh test. In the liquid and gas phase below 800 C arsenic trioxide has the formula As 4 O 6 and is isostructural with P. Our doctors define difficult medical language in easy-to-understand explanations of over 19000 medical terms.
Arsine gas is generated when metals or crude ores containing arsenic impurities are treated with acid. Arsine gas is also used in the semiconductor industry when depositing arsenic on microchips. Bromine is used to manufacture a wide variety compounds used in industry and agriculture.
Bromine is also used in the manufacture of fumigants flame-proofing agents water. Arsenic toxicity is a global health problem affecting many millions of people. Contamination is caused by arsenic from natural geological sources leaching into aquifers contaminating drinking water and may also occur from mining and other industrial processes.
Arsenic is present as a contaminant in many traditional remedies. Arsenic trioxide is now used to treat acute promyelocytic leukaemia. Links with this icon indicate that you are leaving the CDC website.
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The Centers for Disease Control and Prevention CDC cannot attest to the accuracy of a non-federal website. Linking to a non-federal website does not constitute an endorsement by CDC or any of its employees of the sponsors or the information and products presented on the website. GAS MASK FILTER STORAGE AND MAINTENANCE.
Each NBC-77 SOF gas mask filter is sealed in a plastic bag by the manufacturer. Store the filters unopened in a clean place at even temperature most appropriate at -5 to 30C and relative humidity below 80. Sealed filters tolerate also conditions of -30 to 50C and RH below 95.
The storage period. Arsenic Pentafluoride Gas A Arsine Gas A Asphalt emulsion A Asphalt liquid A Barium Carbonate B Barium Chloride A Barium Hydroxide B Barium Nitrate B Barium Sulfate B Barium Sulfide B1 Beer A Beet Sugar Liquors A Chemical Benzaldehyde B Benzene B Benzene Sulfonic Acid B Benzoic Acid B Benzol A Benzonitrile D Benzyl Chloride B Bleach sodium hypochlorite 525 A Bleach chlorine 125 C. A NIOSH-certified CBRN tight-fitting APR with a canister-type gas mask or CBRN PAPR for air levels greater than AEGL-2.
A NIOSH-certified CBRN PAPR with a loose-fitting face-piece hood or helmet and a filter or a combination organic vapor acid gas and particulate cartridgefilter combination or a continuous flow respirator for air levels greater than AEGL-1. A hooded chemical-resistant.