Arsenic (As) and antimony (Sb) are commonly accumulated environmental pollutants that often coexist in nature and cause serious widespread biological toxicity. To investigate the nephrotoxicity induced by As and Sb in detail, we explored the mechanism by which As and Sb cotreatment induced autophagy …
2.1.1.1. Respiratory Effects. Chronic exposure to antimony trioxide and/or pentoxide dust (8.87 mg antimony/m 3 or greater) was seen to cause pneumoconiosis, however, these workers were also exposed to a variety of other compounds like arsenic oxide, iron oxide, hydrogen sulfide, and sodium hydroxide [9,10].Antimony pneumoconiosis was also described …
Arsenic and Antimony – Comparison – Properties. This article contains comparison of key thermal and atomic properties of arsenic and antimony, two comparable chemical elements from the periodic table. It also contains basic …
Arsenic (As) and antimony (Sb) are known carcinogens and are present as contaminants in paddy soils. However, the complicated dynamics of the mobility of these metalloids have not been well understood due to changing redox conditions in paddy soils. Herein, the kinetics of dissolved As and Sb, and functional bacteria/genes were examined in a …
Arsenic, antimony, and germanium species concentrations have been determined from five hydrographic stations along the central axis of the Baltic Sea from the Bornholm Basin to the Gulf of Finland. Arsenic and antimony concentrations are lower than in …
While somewhat difficult to handle due to its corrosive character, arsenic trichloride has certain solvent properties which make it a useful addition to the list of spectroscopic solvents. Conductiometric titrations have been made using this halide as a solvent (2). The hydrolysis of this chloride to arsenous acid is a reversible reaction unlike the behavior of such a related …
1. Introduction. Arsenic (As) is a toxic metalloid in Group 15 of the periodic table. It can be leaked into the environment by natural geological processes and anthropogenic activities, such as mining (Matschullat, 2000) and smelting (Xiong et al., 2012), and it is widely distributed in minerals, soils, and fresh and marine waters (Jaishankar et al., 2014, Mandal …
distillation, of arsenic, antimony, and tin from one another and from elements having nonvolatile chlorides. The apparatus is made entirely of glass, for it was found that cork and rubber stoppers absorb the vapors to such an extent that significant errors may ensue. ...
A chemico-toxicological similarity between arsenic and antimony exists and their toxicology is often seen. Indeed, both elements possess several common properties, e.g. they are clastogenic but not mutagenic in the trivalent state and they have a carcinogenic potential: trivalent arsenicals are known to be human carcinogens and antimony(III) oxide (by inhalation) has been shown …
U. S. DEPARTMENT OF COMMERCE NATIONAL BUREAU OF STANDARDS RESEARCH PAPER RP1116 Part of Journal of Research of the J{ational Bureau of Standards, Volume 21, July 1938 DETERMINATION OF ARSENIC, ANTIMONY, AND TIN IN LEAD~, TIN~, AND COPPER~BASE ALLOYS By John A. Scherrer ABSTRACT A method is described in which …
A chemico-toxicological similarity between arsenic and antimony exists and their toxicology is often seen. Indeed, both elements possess several common properties, e.g. they are clastogenic but not mutagenic in the trivalent state and they have a carcinogenic potential: trivalent arsenicals are known to be human carcinogens and antimony(III) oxide (by inhalation) has been shown …
To recover any arsenic, antimony, or tin in the precipitate, remove the paper from the funnel, and sluice the lead sulfate into a 400-ml beaker, using as little water as possible. Add 20 ml of hydrochloric acid, while agitating vigorously,4 to convert the lead sulfate to lead chloride. ...
The number of electrons in each of antimony's shells is 2, 8, 18, 18, 5 and its electron configuration is [Kr] 4d 10 5s 2 5p 3. The antimony atom has a radius of 140 pm and a Van der Waals radius of 206 pm. Antimony was discovered around 3000 BC and first isolated by Vannoccio Biringuccio in 1540 AD.
Arsenic and Antimony EPA Maximum Contaminant Level (MCL): Arsenic (As) – 10 ppb (0.010 mg/L) Antimony (Sb) – 6 ppb (0.006 mg/L) Both contaminants exist in two forms: Trivalent (III) Pentavalent (V) Toxicities of As (better-known metalloid relative) and Sb are similar
Like arsenic, antimony is widely distributed on earth, usually at low concentrations, e.g., 4.3 to 7.9 ppm in soils . In addition to terrestrial sources, this element can be detected in oceans and freshwater environments in the parts per billion range. The metalloid and its inorganic compounds find a variety of industrial uses; the element is a ...
Arsenic, antimony, and bismuth each exist in several allotropic forms. There are three crystalline forms of arsenic, of which the ordinary, gray, metallic, rhombohedral α-form is the stablest at room temperature. Antimony exists in five forms in addition to the ordinary α-form. The chapter describes the physical properties of the α ...
10%Arsenic (As) and antimony (Sb) concentrations and speciation were determined along flow paths in three groundwater flow systems, the Carrizo Sand aquifer in southeastern Texas, the Upper Floridan aquifer in south-central Florida, and the Aquia aquifer of coastal Maryland, and subsequently compared and contrasted.
Antimony occurs in tri- (+3) and pentavalent (+5) compounds and is found in the earth's crust mostly associated with sulfur as stibnite and in ores associated with arsenic. Antimony is a group VA element of the periodic table and it has many of the same chemical and biological properties as the element arsenic.
Arsenic - Treated Water Antimony - Raw Water ... l Early data non-detect (RL of 100 mg/l as P) l Roughly 20-30 mg/l of phosphorus removal by GFO and …