Mercury® chloride

Exists as the (Hg —Hg) ion. Other polymercury cations, e.g. Hgj (Hg plus AsFj), Hg4 etc., are also known. All positive oxidation state compounds of Hg are readily reduced to the metal, mercury chlorides... 

Chemical Designations - Synonyms. Calochlor Corrosive mercury chloride Corrosive sublimate Mercury bichloride Mercury (II) chloride Mercury perchloride Chemical Formula-. HgClj Observable Characteristics(as shipped)-. Solid Color. White colorless Odor. None. Physical and Chemical Properties - Physical State at 15 X and 1 atm. Solid Molecular Weight-. 271.50 Boiling Point at I atm. 576, 302, 575 Freezing Point 531, 277, 550 Critical Temperature Not pertinent Critical Pressure Not pertinent Specific Gravity 5.4 at 20 °C (solid) Vapor (Gas) Specific Gravity Not pertinent Ratio of Specific Heats of Vapor (Gas) Not pertinent Latent Heat of Vaporization Not pertinent Heat of Combustion Heat of Decomposition Not pertinent. 

Chlor-oxyd, n. chlorine oxide, -phosphor, m. phosphorus chloride, -pikrin, n. chloropicrin. -platin, n. platinic chloride, -platinsiiure,. chloroplatinic acid, -quecksilber, n. mercury chloride (either one), -raucherung, /. chlorine fumigation. 

Merkur, m. mercury, -blende, /. Min.) cinnabar. -chlorid, n. mercury chloride, specif, mercuric chloride, mercury(II) chloride, -chloriir, n. mercurous chloride, mercury(I) chloride, -gelb, n. mercury yellow, turpeth mineral. 

B. Amalgamated, Zinc [Mercury alloy (Hg, Zn)]. Zinc powder (206 g., 3.15 moles) is placed in a 1-1. beaker, covered with 250 ml. of aqueous 10% hydrochloric acid, and stirred for 2 minutes. The acid is then decanted and replaced by distilled water, the mixture is stirred, and the supernatant is decanted. Washing is continued in this way until the water is neutral to litmus. A warm solution of 40 g. (0.15 mole) of mercuric chloride [Mercury chloride (HgCl2)] in 250 ml. of distilled water is then poured onto the zinc, and the mixture is stirred gently for 10 minutes. After filtration, the powder is washed with 250 ml. of distilled water, five 250-ml. portions of 95% ethanol, and five 250-ml. portions of anhydrous ether. Drying under vacuum gives 196 g. of zinc amalgam. 

Bleau H, Daniel C, Chevaher G, Van Tra H, Hontela A. 1996. Effects of acute exposure to mercury chloride and methyhnercury on plasma cortisol, T3, T4, glucose and Ever glycogen in rainbow trout (Oncorhynchus mykiss). Aquat Toxicol 34 221-235. 

Wobeser G. 1975. Prolonged oral administration of methyl mercury chloride to rainbow trout. J Fish Res Board Can 32 2015-2023. 

The reasons for mercury pesticide poisoning deserve especially close analysis. OMPs were detected not only in cereals where they could be found since they were used, but also in fish products. We must keep in mind that according to existing public health standards, in principle, granosan (active ingredient ethyl mercury chloride), and especially OMPs (in the mixtures mercury benzol and mercury hexane, the active ingredient is also ethyl mercury chloride), presence in food products is banned [5]. Therefore, the notation exceeds MPL is not appropriate. 

The monomer from which the vinyl plastic polyvinyl chloride (PVC) is prepared. Vinyl chloride was originally made by passing acetylene and hydrogen chloride over a mercury chloride catalyst at a temperature of about 180 °C. Now made from ethylene chloride which is converted to vinyl chloride by contact with a catalyst at about 500 °C (900 °F) or by reaction with dilute caustic alkali at about 150 °C (300 °F). 

Hill, E.F. 1981. Inorganic and organic mercury chloride toxicity to cotumix sensitivity related to age and quantal assessment of physiological responses. Ph.D. Thesis, Univ. Maryland, College Park. 221 pp. 

Regnell, O. 1990. Conversion and partitioning of radio-labelled mercury chloride in aquatic model systems. Canad. Jour. Fish. Aquat. Sci. 47 548.553. 

A half-life of about 40 days was reported for hexachloroethane in an unconfined sand aquifer (Criddle et al. 1986). Laboratory studies with wastewater microflora cultures and aquifer material provided evidence for microbial reduction of hexachloroethane to tetrachloroethylene under aerobic conditions in this aquifer system (Criddle et al. 1986). In anaerobic groundwater, hexachloroethane reduction to pentachloroethane and tetrachloroethylene was found to occur only when the water was not poisoned with mercury chloride (Roberts et al. 1994). Pentachloroethane reduction to tetrachloroethylene occurred at a similar rate in both poisoned and unpoisoned water. From these results, Roberts et al. (1994) suggested that the reduction of hexachloroethane to tetrachloroethylene occurred via pentachloroethane. The first step, the production of pentachloroethane, was microbially mediated, while the production of tetrachloroethylene from pentachloroethane was an abiotic process. 

Mercury chloride thioether complexes have been oxidized to the corresponding sulfoxide complexes by treatment with hydrogen peroxide (76) [Eq. (30)]... 

Mercury-chloride complexes in dilute solutions. This slightly more difficult example will be useful in showing how to handle poorly conditioned systems of equations. It is assumed that mercury chloride HgCl2 is dissolved in pure water with a molality m = 10 5 mol kg-1. Given the equilibrium constants for chloride complex formation... 

Table 6.3. The component matrix of mercury chloride in dilute solution.

Mercury chloride Unknown 1 Sulfur dioxide (gas) Unknown s... 

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