A selective process for extracting antimony from refractory gold ore

The raw material, antimonial refractory gold ore, was provided by the Jinchiling Gold Mine (Zhaojin Mining Industry Co., Ltd., Shandong Province, China). The chemical composition of the ore is given in Table 1. Before the experiments, the ore was dried at 383 K, and then ground and sieved to obtain a particle size below 74 μm.

Antimony

Created by video journalist Brady Haran working with chemists at The University of Nottingham. Element Antimony (Sb), Group 15, Atomic Number 51, p-block, Mass …

(PDF) The Metallurgy of Antimony

Mineralogical study of the mineral, combined with the chemical analysis of the ore, confirms that the lead-antimony complex ore of Chitral deposit can be beneficiated using relatively cheap ...

Sources of Ore-Forming Fluids and Materials of Gold and Antimony …

It is calculated that the density of ore-forming fluid fell within 0.71~0.99 g/cm 3 in Shuiyindong gold deposit, and within 0.93~1.11 g/cm 3 in Dachang antimony deposit. This means the ore-forming fluids from the two deposits are both of medium density. 3.3 Chemical composition. 3.3.1 Gas phase composition

Antimony-complexed heavy metal wastewater in antimony …

Therefore, the objectives of this study are as follows: (1) To explore the sources and composition of antimony-contaminated complex heavy metal wastewater in antimony mine areas. (2) To assess the pollution forms and the dispersion and migration of Sb-containing wastewater in different environments, and analyze the risks posed by …

chemical composition of antimony ore

The antimony ore beneficiation methods,should be based on the type of ore,mineral composition,mineral structure and embedded Pot and other physical and chemical ... Get More New data on the mercury antimony mineral shakhovite: Chemical composition, unit cell and crystal structure

Trace element composition (vs. antimony) of …

Trace element composition (vs. antimony) of ingots examined in this study compared with presumed MBA and LBA tin ingots and objects from Salcombe, the Erme Estuary, Uluburun and S'Arcu e is Forros ...

The Effect of Culture Conditions on Microbial Remediation of …

The chemical composition of contaminated soil is shown in Table 5.1. It is a typical sandy soil, mainly containing SiO 2, but also containing a small amount of CaO, Al 2 O 3, Fe 2 O 3 and MgO. The content of antimony in soil is 24666 mg/kg, and the content of As is 240 mg/kg.

Antimony | Definition, Symbol, Uses, & Facts

antimony (Sb), a metallic element belonging to the nitrogen group (Group 15 [Va] of the periodic table ). Antimony exists in many …

The Tumannoe Gold–Antimony Occurrence (East Sayan, …

The gold–antimony ore occurrences in the southeastern East Sayan are quartz vein zones localized in leucogranites and granodiorites. The structural and material characteristics of this type of mineralization, such as the geological position of orebodies, features of the mineral and chemical composition of ores, and isotopic characteristics …

Antimony | Definition, Symbol, Uses, & Facts | Britannica

antimony (Sb), a metallic element belonging to the nitrogen group (Group 15 [Va] of the periodic table ). Antimony exists in many allotropic forms (physically distinct conditions that result from different arrangements of the same atoms in molecules or crystals ). Antimony is a lustrous silvery bluish white solid that is very brittle and has a ...

Antimony: The mineral native Antimony information and …

The Mineral antimony. Antimony is a native element that can occur in a natural state, but it is rarely pure. It almost always contains some arsenic, and may also contain traces of silver, iron, and sulfur. On a fresh or preserved surface, Antimony has a tin-white color with a slight blue tinge. Otherwise, it is dark gray due to tarnish.

Effects of antimony on the soil enzymes, microbial, and …

1. Introduction. China currently holds 70–80% of the world's antimony stockpile [Citation 1], with 3.28 million tons of antimony ore reserves identified [Citation 2].With China's rapid economic development, large amounts of antimony have entered the environment [Citation 3, Citation 4].Antimony concentrations in the Taipu River basin in …

Precise analysis of antimony isotopic composition in …

DOI: 10.1016/J.CHEMGEO.2021.120459 Corpus ID: 237655916; Precise analysis of antimony isotopic composition in geochemical materials by MC-ICP-MS @article{Sun2021PreciseAO, title={Precise analysis of antimony isotopic composition in geochemical materials by MC-ICP-MS}, author={Guangyi Sun and Yunjie Wu and Xinbin …

Minerals | Free Full-Text | Preparation of Antimony Sulfide …

The chemical composition of antimony electrodeposited from raw materials was obtained via chemical analysis and X-ray fluorescence, and the results are reported in Table 1. In this experiment, to fully react the electrodeposited antimony, excess sulfur powder was needed; thus, the molar ratio of S: Sb was set to 3:1.

Antimony as a raw material in ancient metal and …

The Sb isotope composition of stibnites in the ore collection (n = 63, including remeasured ores) could be determined with a good repeatability (internal precision; the variation arising when all efforts …

The composition and differences of antimony isotopic in …

A study of the isotopic composition of Sb in France revealed that there were differences in the isotopic composition of Sb in two watersheds affected by mining, and the ε 123 Sb values in the Orb River and Gardon River were −0.6‒+1.1 ε and +2.7‒+8.3 ε, respectively (Resongles et al., 2015). Currently, the systematic research on the ...

Antimony

Antimony. A native element, antimony metal is extracted primarily from stibnite, which contains 72 percent antimony and 28 percent sulfur. Stibnite is mined in only a few countries, with China being its largest producer. Antimony is used for many technological and industrial purposes. Antimony is used as a hardening alloy for lead, especially ...

The composition and differences of antimony isotopic in …

The results showed that the ε 123 Sb values in the sediments of the ZR and its tributaries, such as those near the Longshan Sb-Au mine, the Xikuangshan Sb mine, and the Zhazixi Sb mine, were 0.50‒3.13 ε, 2.31‒3.99 ε, 3.12‒5.63 ε and 1.14‒2.91 ε, respectively, and there were obvious changes in Sb isotopic composition. Antimony was ...

Antimony, Physical and Chemical Properties | SpringerLink

Explosive antimony is obtained by electrolysis of antimony (III) chloride solution in hydrochloric acid at a high current density with an antimony anode and a platinum …

A selective process for extracting antimony from refractory …

Antimony can be selectively removed from refractory gold ore by sodium sulfide leaching. •. Antimony was recovered in the form of sodium pyroantimonate …

Extraction Process of Antimony from Stibnite by

the amount of antimony in the slag was 0.12% of the total amount of antimony in the ore, and 5.10% of antimony in the proportion of antimony matte. The pro-portion of antimony in the antimony smoke was 94.78% (i.e. the volatile ratio of antimony element in the concentrate was 94.78%, the same as the lower one).

Selective removal of antimony from refractory gold ores by ultrasound

Table 1 shows the chemical composition of gold ores determined by mineralogical analysis and X-ray fluorescence. The ore mainly contained 39.72% SiO 2, 23.34% FeS 2, 1.96% Sb and 24 g/t Au. The sodium sulfide and sodium hydroxide used in this experiment are all analytically pure. ... Moreover, sodium hydroxide can also extract …

The rise and fall of antimony: Sourcing the "colourless

Sb in stibnite ore, on the other hand, only shows a variance in isotopic composition of 10 ε units (or 0.1‰), but Sb isotopic analysis offers more potential to pinpoint the location of an ...

Introduction

Chemical and Physical Properties. Antimony trioxide (Sb 2 O 3) is the primary form of antimony in the atmosphere and also occurs naturally as the ores of valentinite, senarmontite, exitelite, and weisspiessglanz.At 1,500°C, antimony trioxide exists in vapor phase as dimeric Sb 4 O 6 1mercially, antimony trioxide is available as an …

Antimony Trioxide

Antimony trioxide particles do not undergo change in chemical composition, particle size, or morphology after emission; however, a surface coating of sulfate may form (ATSDR, 1992). ... antimony ore and grown in a mineral medium containing antimony trioxide, oxidized the trioxide at rates of 45.5-51.6 mg/month for senarmonite (cubic) and 13.5 ...

A Selective Method for Chemical Extraction of Antimony …

Antimony leaching from tetrahedrite-bearing ores was typically carried out by using Na2S-NaOH solutions. In the current paper, the detail mechanism of antimony leaching from tetrahedrite-rich concentrate via K2S and BaS lixiviants was investigated for the first time. Sample was characterized in terms of chemical, mineralogical, and …

Isotope systematics and chemical composition of tin ingots …

Chemical composition of the tin ingots. The use of trace element concentrations for provenance studies of ancient tin requires several preconditions: 1. Known chemical composition of tin ores; 2. Known behaviour of the trace elements during tin ore smelting, and 3. Determination of the chemical composition of tin metal with …

Stibnite | Properties, Occurrence, Formation and Uses Areas

Stibnite is a mineral composed of antimony sulfide (Sb2S3). It has a distinctive silvery-gray to lead-gray color and is known for its unique crystal structure. Here are some of its chemical, physical, and optical properties: Chemical Properties: 1. Chemical Formula:Sb2S3 2. Chemical Composition: Stibnite is composed of two …See more on geologyscience

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Stibnite

WEBComposition: Molecular Weight = 121.75 gm. Antimony 100.00 % Sb. ______ 100.00 % Empirical Formula: Sb. Environment: Hydrothermal veins. IMA Status: Valid Species (Pre …

(PDF) Changes in antimony isotopic composition as a tracer …

Precipitation of antimony and formation of Sb ore deposits is . generally related to lo w-temperature (< 250 °C) hydrothermal . ... mates of the temperature and chemical composition of the .

Changes in antimony isotopic composition as a tracer of

In this work, we investigated in situ isotopic compositions of antimony (Sb) minerals from two substages of the ore deposits near Pezinok (Slovakia). The δ123Sb values of the primary Sb minerals range from −0.4 and +0.8‰ and increase progressively along the precipitation sequence. In the substage II, the early-formed gudmundite (FeSbS) shows …

Chemistry of Antimony (Z=51)

Antimony trisulfide exists as a gray/black crystalline solid (orthorhombic crystals) and an amorphous red-orange powder. It turns black due to oxidation by air. Antimony trisulfide is the most important source for antimony. It is insoluble in water and melts at 550°C. The chemical symbol of antimony (Sb) is derived from stibnite.

Antimony (Sb)

137.94079 (32)#. 139 Sb. 139. 138.94598 (54)#. Mass Number. The sum of the number of protons and neutrons of an atomic nucleus. In other words, it's the sum of the number of nucleons in an atom. Relative Atomic Mass. …

Antimony

Abstract. Antimony (Sb; CASRN ) is a semimetal element with chemical properties similar to lead, arsenic, and bismuth. In nature, it is found associated with sulfur as stibnite. Antimony is used in white metal, a group of alloys having relatively low melting points. White metal usually contains tin, lead, or antimony as the chief ...

Flotation of antimony ores with high arsenic content

antimony ores, the most common beneficiation method is flotation. Therefore, antimony ore consisting of stibnite mineral obtained from Tokat-Turkey region was used in this study. Due to the low antimony (5.06%Sb) and the high Arsenic (1.38%As) content, it is an important requirement to increase the Sb

Precise analysis of antimony isotopic composition in geochemical

Sb in stibnite ore, on the other hand, only shows a variance in isotopic composition of 10 ε units (or 0.1‰), but Sb isotopic analysis offers more potential to pinpoint the location of an ...

The Solubility of Antimony (Sb) in Liquid Hydrocarbons and …

Orogenic antimony-gold deposits contribute significantly to the global antimony resource base. China's orogenic antimony-gold deposits are primarily in southern Tibet. Investigations indicate that antimony combines and migrates with sulfur hydroxides in ore-forming fluids. Previous research on fluid inclusions in orogenic …

The Mineral stibnite

Chemical Formula: Sb 2 S 3: Composition: Antimony trisulfide: Color: Metallic silver-gray. Occasionally iridescent with mild play of colors. Streak: Dark gray: Hardness: 2: Crystal System: Orthorhombic

Antimony Physical

Mineral Group: Arsenic group. Association: Silver, stibnite, allemontite, sphalerite, pyrite, galena, quartz. Contents. Chemical Properties of Antimony. Physical Properties of Antimony. Optical …

Selective alkaline leaching of antimony from Low-grade …

The low-grade antimony refractory gold ores in this experiment were produced from Shandong province of China. After grinding to fine size ensuring 98% of the ore particles are less than 74 µm, the chemical composition, phases and microscopic morphology of the ores were characterized by chemical analysis, Inductively Coupled …