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====Medical====
====Medical====
Few biological or medical applications exist for antimony. Treatments principally containing are known as [[antimonial]]s and are used as [[emetic]]s.
Few biological or medical applications exist for antimony. Treatments principally containing antimony are known as [[antimonial]]s and are used as [[emetic]]s.


Antimony compounds are used as [[Antiprotozoal agent|antiprotozoan]] drugs. [[Tartaric Acid#Derivatives|Antimony potassium tartrate]], or tartar emetic, was once used as an anti-[[Schistosomiasis|schistosomal]] drug, subsequently replaced by [[praziquantel]].
Antimony compounds are used as [[Antiprotozoal agent|antiprotozoan]] drugs. [[Tartaric Acid#Derivatives|Antimony potassium tartrate]], or tartar emetic, was once used as an anti-[[Schistosomiasis|schistosomal]] drug, subsequently replaced by [[praziquantel]].

Revision as of 13:45, 4 May 2011

This article is about the element. For the town in Utah, see Antimony, Utah.

Template:Distinguish2

Antimony, 51Sb
Antimony
Pronunciation
Appearancesilvery lustrous gray
Standard atomic weight Ar°(Sb)
Antimony in the periodic table
Hydrogen Helium
Lithium Beryllium Boron Carbon Nitrogen Oxygen Fluorine Neon
Sodium Magnesium Aluminium Silicon Phosphorus Sulfur Chlorine Argon
Potassium Calcium Scandium Titanium Vanadium Chromium Manganese Iron Cobalt Nickel Copper Zinc Gallium Germanium Arsenic Selenium Bromine Krypton
Rubidium Strontium Yttrium Zirconium Niobium Molybdenum Technetium Ruthenium Rhodium Palladium Silver Cadmium Indium Tin Antimony Tellurium Iodine Xenon
Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium Ytterbium Lutetium Hafnium Tantalum Tungsten Rhenium Osmium Iridium Platinum Gold Mercury (element) Thallium Lead Bismuth Polonium Astatine Radon
Francium Radium Actinium Thorium Protactinium Uranium Neptunium Plutonium Americium Curium Berkelium Californium Einsteinium Fermium Mendelevium Nobelium Lawrencium Rutherfordium Dubnium Seaborgium Bohrium Hassium Meitnerium Darmstadtium Roentgenium Copernicium Nihonium Flerovium Moscovium Livermorium Tennessine Oganesson
As
↑
Sb
↓
Bi
tin ← antimony → tellurium
Atomic number (Z)51
Groupgroup 15 (pnictogens)
Periodperiod 5
Block  p-block
Electron configuration[Kr] 4d10 5s2 5p3
Electrons per shell2, 8, 18, 18, 5
Physical properties
Phase at STPsolid
Melting point903.78 K ​(630.63 °C, ​1167.13 °F)
Boiling point1908 K ​(1635 °C, ​2975 °F)
Density (at 20° C)6.694 g/cm3[3]
when liquid (at m.p.)6.53 g/cm3
Heat of fusion19.79 kJ/mol
Heat of vaporization193.43 kJ/mol
Molar heat capacity25.23 J/(mol·K)
Vapor pressure
P (Pa) 1 10 100 1 k 10 k 100 k
at T (K) 807 876 1011 1219 1491 1858
Atomic properties
Oxidation states−3, −2, −1, 0,[4] +1, +2, +3, +4, +5 (an amphoteric oxide)
ElectronegativityPauling scale: 2.05
Ionization energies
  • 1st: 834 kJ/mol
  • 2nd: 1594.9 kJ/mol
  • 3rd: 2440 kJ/mol
  • (more)
Atomic radiusempirical: 140 pm
Covalent radius139±5 pm
Van der Waals radius206 pm
Color lines in a spectral range
Spectral lines of antimony
Other properties
Natural occurrenceprimordial
Crystal structure ​rhombohedral (hR2)
Lattice constants
Rhombohedral crystal structure for antimony
a = 0.45066 nm
α = 57.112°
ah = 0.43084 nm
ch = 1.12736 nm (at 20 °C)[3]
Thermal expansion11.04×10−6/K (at 20 °C)[a]
Thermal conductivity24.4 W/(m⋅K)
Electrical resistivity417 nΩ⋅m (at 20 °C)
Magnetic orderingdiamagnetic[5]
Molar magnetic susceptibility−99.0×10−6 cm3/mol[6]
Young's modulus55 GPa
Shear modulus20 GPa
Bulk modulus42 GPa
Speed of sound thin rod3420 m/s (at 20 °C)
Mohs hardness3.0
Brinell hardness294–384 MPa
CAS Number7440-36-0
History
DiscoveryArabic alchemists (before AD 815)
Symbol"Sb": from Latin stibium 'stibnite'
Isotopes of antimony
Main isotopes[7] Decay
abun­dance half-life (t1/2) mode pro­duct
121Sb 57.2% stable
123Sb 42.8% stable
125Sb synth 2.7576 y β− 125Te
 Category: Antimony
| references

Antimony (/[invalid input: 'icon']ˈænt[invalid input: 'ɨ']m[invalid input: 'ɵ']nɪ/ AN-ti-mo-nee;[note 1] Latin: stibium) is a toxic chemical element with the symbol Sb and an atomic number of 51. A lustrous grey metalloid, it is found in nature mainly as the sulfide mineral stibnite (Sb2S3). Although the use of antimony is limited by its toxicity, its compounds have been of fundamental value in chemistry - a prominent example being the development of superacids derived from antimony pentafluoride.[8] Antimony compounds are prominent fire retardants found in many commercial and domestic products. Certain alloys are valuable for use in solders and ball bearings. An emerging application is the use of antimony in microelectronics.

History

An unshaded circle surmounted by a cross.
One of the alchemical symbols for antimony

Antimony's sulfide compound, antimony(III) sulfide, Sb2S3 was recognized in antiquity, at least as early as 3000 BC; its original discoverers remain shrouded in mystery.

An artifact made of antimony dating to about 3000 BC was found at Tello, Chaldea (part of present-day Iraq), and a copper object plated with antimony dating between 2500 BC and 2200 BC has been found in Egypt.[9] One contemporary commented, "we only know of antimony at the present day as a highly brittle and crystalline metal, which could hardly be fashioned into a useful vase, and therefore this remarkable 'find' must represent the lost art of rendering antimony malleable."[10] The first European description of a procedure for isolating antimony is in the book De la pirotechnia of 1540 by Vannoccio Biringuccio. This book predates the more famous 1556 book by Agricola, De re metallica, even though Agricola has been often incorrectly credited with the discovery of metallic antimony. A text describing the preparation of metallic antimony that was published in Germany in 1604 purported to date from the early fifteenth century, and if authentic it would predate Biringuccio. The book, written in Latin, was called "Currus Triumphalis Antimonii" (The Triumphal Chariot of Antimony), and its putative author was a certain Benedictine monk, writing under the name Basilius Valentinus.[11][12] An English translation of the "Currus Triumphalis" appeared in English in 1660, under the title The Triumphant Chariot of Antimony. The work remains of great interest, chiefly because it documents how followers of the renegade German physician, Philippus Theophrastus Paracelsus von Hohenheim (of whom Thölde was one), came to associate the practice of alchemy with the preparation of chemical medicines.

Pure antimony was well known to Jābir ibn Hayyān, sometimes called "the Father of Chemistry", in the 8th century. Here there is still an open controversy: Marcellin Berthelot, who translated a number of Jābir's books, stated that antimony is never mentioned in them, but other authors[who?][13] claim that Berthelot translated only some of the less important books, while the more interesting ones (some of which might describe antimony) are not yet translated, and their content is completely unknown.

The first natural occurrence of pure antimony ('native antimony') in the Earth's crust was described by the Swedish scientist and local mine district engineer Anton von Swab in 1783. The type-sample was collected from the Sala Silvermine in the Bergslagen mining district of Sala, Västmanland, Sweden.[14]

Etymology

The ancient words for antimony mostly have, as their chief meaning, kohl, the sulfide of antimony. Pliny the Elder, however, distinguishes between male and female forms of antimony; his male form is probably the sulfide, while the female form, which is superior, heavier, and less friable, is probably native metallic antimony.[15]

The Egyptians called antimony mśdmt; in hieroglyphs, the vowels are uncertain, but there is an Arabic tradition that the word is ميسديميت mesdemet.[16][17] The Greek word, στίμμι stimmi, is probably a loan word from Arabic or Egyptian sdm

O34
D46		 G17F21
D4

, and is used by the Attic tragic poets of the 5th century BC; later Greeks also used στἰβι stibi, as did Celsus and Pliny, writing in Latin, in the first century AD. Pliny also gives the names stimi [sic], larbaris, alabaster, and the "very common" platyophthalmos, "wide-eye" (from the effect of the cosmetic). Later Latin authors adapted the word to Latin as stibium. The Arabic word for the substance, as opposed to the cosmetic, can appear as تحميض، ثمود، وثمود، وثمود ithmid, athmoud, othmod, or uthmod. Littré suggests the first form, which is the earliest, derives from stimmida, (one) accusative for stimmi.[18]

The use of Sb as the standard chemical symbol for antimony is due to the 18th century chemical pioneer, Jöns Jakob Berzelius, who used this abbreviation of the name stibium. The medieval Latin form, from which the modern languages and late Byzantine Greek, take their names, is antimonium. The origin of this is uncertain; all suggestions have some difficulty either of form or interpretation. The popular etymology, from ἀντίμοναχός anti-monachos or French antimoine, still has adherents; this would mean "monk-killer", and is explained by many early alchemists being monks, and antimony being poisonous.[note 2] So does the hypothetical Greek word ἀντίμόνος antimonos, "against one", explained as "not found as metal", or "not found unalloyed".[9][19] Lippmann conjectured a Greek word, ανθήμόνιον anthemonion, which would mean "floret", and he cites several examples of related Greek words (but not that one) which describe chemical or biological efflorescence.[20]

The early uses of antimonium include the translations, in 1050–1100, by Constantine the African of Arabic medical treatises.[21] Several authorities believe that antimonium is a scribal corruption of some Arabic form; Meyerhof derives it from ithmid;[22] other possibilities include Athimar, the Arabic name of the metal, and a hypothetical as-stimmi, derived from or parallel to the Greek.[23]

Characteristics

Properties

A clear vial containing small chunks of a slightly lustrous black solid, labeled "Sb".
A vial containing a black allotrope of antimony
An irregular piece of silvery stone with spots of variation in lustre and shade.
Native antimony with oxidation products

Antimony is in the nitrogen group (group 15) and has an electronegativity of 2.05. As expected by periodic trends, it is more electronegative than tin or bismuth, and less electronegative than tellurium or arsenic.

Antimony is stable in air at room temperature but reacts with oxygen if heated to form antimony trioxide, Sb2O3.

Antimony is a silvery, lustrous gray metal that has a Mohs scale hardness of 2. Therefore, antimony by itself is never used to make hard objects: a coin made of antimony, issued in the Guizhou Province of China in 1931, was unpopular because they would wear out fast. After the first issue no others were produced.[24]It is resistant to attack by acids.

Four allotropes of antimony are known: a stable metallic form, and three meta-stable forms: explosive, black and yellow. Metallic antimony is a brittle, silver-white shiny metal. When molten antimony is slowly cooled, metallic antimony crystallizes in an hexagonal cell, isomorphic with that of the black allotrope of arsenic. A rare explosive form of antimony can be formed from the electrolysis of antimony(III) trichloride. When scratched with a sharp implement, an exothermic reaction occurs and white fumes given off as metallic antimony is formed; alternatively, when rubbed with a pestle in a mortar, a strong detonation occurs. Black antimony is formed when gaseous metallic antimony is rapidly cooled. It oxidizes in air and is sometimes spontaneously combustible. At 100 °C, it gradually transforms into the stable form. The yellow allotrope of antimony is the most unstable. It has only been generated by oxidation of stibine (SbH3) at −90 °C. Above this temperature and in ambient light, this meta stable allotrope transforms into the more stable black allotrope.[25]

Isotopes

Main article: Isotopes of antimony

Antimony exists as two stable isotopes, 121Sb with a natural abundance of 57.36% and 123Sb with a natural abundance of 42.64%. It also has 35 radioisotopes, of which the longest-lived is 125Sb with a half-life of 2.75 years. In addition, 29 metastable states have been characterised.

Occurrence

See also: Category:Antimonide minerals and Category:Antimonate minerals

The abundance of antimony in the Earth's crust is estimated at 0.2 to 0.5 parts per million, comparable to thallium at 0.5 parts per million and silver at 0.07 ppm.[26] Even though this element is not abundant, it is found in over 100 mineral species. Antimony is sometimes found native, but more frequently it is found in the sulfide stibnite (Sb2S3) which is the predominant ore mineral. Commercial forms of antimony are generally ingots, broken pieces, granules, and cast cake. Other forms are powder, shot, and single crystals.

In 2005, China was the top producer of antimony with about 84% world share followed at a distance by South Africa, Bolivia and Tajikistan, reports the British Geological Survey. The mine with the largest deposits in China is Xikuangshan Mine in Hunan Province with a estimated deposit of 2.1 million metric tons.[27]

Production

Antimony output in 2005
World production trend of antimony

The extraction of antimony from ores depends on the quality of the ore, which is usually a sulfide. The sulfide is converted to an oxide and advantage is often taken of the volatility of antimony(III) oxide, which is recovered from roasting.[8] This material is often used directly for the main applications, impurities being arsenic and sulfide. Antimony can be isolated from its ore by a reduction with scrap iron:

Sb
2S
3 + 3Fe → 2Sb + 3FeS

Isolating antimony from its oxide is performed by a carbothermal reduction:[28]

2Sb
2O
3 + 3 C → 4 Sb + 3 CO
2
Country Tonnes % of total
 People's Republic of China 126,000 84.0
 South Africa 6,000 4.0
 Bolivia 5,225 3.5
 Tajikistan 4,073 2.7
 Russia 3,000 2.0
Top 5 144,298 96.2
Total world 150,000 100.0

Chiffres de 2003, métal contenue dans les minerais et concentrés, source: L'état du monde 2005 Template:Fr

Compounds

See also: Category:Antimony compounds

Antimony compounds are often classified into those of Sb(III) and Sb(V).[29] Relative to its neighboring element As, the 5+ oxidaton state is more stable.

Oxides and hydroxides

Antimony trioxide (Sb
4O
6) is formed when antimony is burnt in air.[30] In the gas phase, this compound exists as Sb
4O
6, but it polymerises upon condensing.[31] Antimony pentoxide, (Sb
4O
10) can only be formed by oxidation by concentrated nitric acid.[32] Antimony also forms a mixed-valence oxide, antimony tetroxide (Sb
2O
4), which features both Sb(III) and Sb(V).[32] Unlike phosphorus and arsenic, these various oxides are amphoteric and do not form well-defined oxoacids and react with acids to form antimony salts.

Antimonous acid Sb(OH)
3 is unknown but the conjugate base sodium antimonite ([Na
3SbO
3]
4) forms upon fusing sodium oxide and Sb
4O
6.[31]: 763  Transition metal antimonites are also known.[33]: 122  Antimonic acid exists only as the hydrate HSb(OH)
6, forming salts containing the antimonate anion Sb(OH)−
6. Dehydrating metal salts containing this anion yields mixed oxides.[33]: 143 

Many antimony ores are sulfides, including stibnite (Sb
2S
3), pyrargyrite (Ag
3SbS
3), zinkenite, jamesonite, and boulangerite.[31]: 757  Antimony pentasulfide is non-stoichiometric and features antimony in the +3 oxidation state and S-S bonds.[34] Several thioantimonides are known such as [Sb
6S
10]2−
 and [Sb
8S
13]2−
.[35]

Halides

Antimony forms two series of halides, SbX
3 and SbX
5. The trihalides SbF
3, SbCl
3, SbBr
3, and SbI
3 are all molecular compounds having trigonal pyramidal molecular geometry. The trifluoride SbF
3 is prepared by the reaction of Sb
2O
3 with HF:[31]: 761–762 

Sb
2O
3 + 6 HF → 2 SbF
3 + 3 H
2O

It is Lewis acidic and readily accepts fluoride ions to form the complex anions SbF−
4 and SbF2−
5. Molten SbF
3 is a weak electrical conductor. The trichloride SbCl
3 is prepared by dissolving Sb
2S
3 in hydrochloric acid:

Sb
2S
3 + 6 HCl → 2 SbCl
3 + 3 H
2S
Structure of gaseous SbF5

The pentahalides SbF
5 and SbCl
5 have trigonal bipyramidal molecular geometry in the gas phase, but in the liquid phase, SbF
5 is polymeric, whereas SbCl
5 is monomeric.[31]: 761  SbF
5 is a powerful Lewis acid used to make the superacid fluoroantimonic acid ("HSbF6").

Oxyhalides are common for antimony than arsenic and phosphorus. Antimony trioxide dissolves in concentrated acid to form antimony oxo- (antimonyl) compounds such as SbOCl and (SbO)
2SO
4.[31]: 764 

Antimonides, hydrides, and organoantimony compounds

Compounds in this class generally are described as derivatives of Sb3-. Antimony forms antimonides with metals, such as indium antimonide (InSb), and silver antimonide (Ag
3Sb).[31]: 760  The alkali metal and zinc antimonides, e.g. Na3Sb and Zn3Sb2, are more reactive. Treating these antimonides with acid produces the unstable gas stibine, SbH
3:[36]

Sb3−
 + 3 H+
 → SbH
3

Stibine can also be produced by treating Sb3+
 salts with hydride reagents such as sodium borohydride. Stibine decomposes spontaneously at room temperature. Because stibine is thermodynamically unstable (positive heat of formation), antimony does not react with hydrogen directly.[29]

Organoantimony compounds are typically prepared by alkylation of antimony halides with Grignard reagents.[37] A large variety of compounds are known with both Sb(III) and Sb(V) centers including mixed chloro-organic derivatives, anions, and cations. Examples include Sb(C6H5)3 (triphenylstibine), Sb2(C6H5)4 (with an Sb-Sb bond), and cyclic [Sb(C6H5)]n. Pentacoordinated organoantimony compounds are common, examples being Sb(C6H5)5 and several related halides.

Applications

Flame retardants

The main use of antimony is in the form of antimony trioxide is used in the making of flame-proofing compounds. Markets for these flame-retardant applications include children's clothing, toys, aircraft and automobile seat covers. It is also used in the fiberglass composites industry as an additive to polyester resins for such items as light aircraft engine covers. The resin will burn while a flame is held to it but will extinguish itself as soon as the flame is removed. Fireproofing consumes about half of the annual production of antimony.[8]

Alloys

Antimony forms a highly useful alloy with lead, increasing its hardness and mechanical strength. The Sb-Pb alloy is used in lead-acid batteries.[8][38] It is used in antifriction alloys, such as Babbitt metal.[39] It is used as an alloy in bullets and lead shot, cable sheathing, type metal (e.g. for linotype printing machines[40]), solder – some "lead-free" solders contain 5% Sb,[41] in pewter,[42] and in hardening alloys with low tin content in the manufacturing of organ pipes.

Other applications

The second main application is as a catalyst for the production of the polymer polyethyleneterephthalate. It is an additive in some glasses. In the latter application, antimony oxides serve as fining agents, aiding in the removal of microscopic bubbles. This application is mainly used for TV screens.[43]

Niche applications

Microelectronics

In tiny amounts, antimony is increasingly being used in the semiconductor industry as a dopant for ultra-high conductivity n-type silicon wafers[44] in the production of diodes, infrared detectors, and Hall-effect devices.

In the 1950s, tiny beads of a lead-antimony alloy were used to dope the emitters and collectors of NPN alloy junction transistors with antimony.[45]

Medical

Few biological or medical applications exist for antimony. Treatments principally containing antimony are known as antimonials and are used as emetics.

Antimony compounds are used as antiprotozoan drugs. Antimony potassium tartrate, or tartar emetic, was once used as an anti-schistosomal drug, subsequently replaced by praziquantel.

Antimony and its compounds are used in several veterinary preparations like anthiomaline or lithium antimony thiomalate, which is used as a skin conditioner in ruminants.

Antimony has a nourishing or conditioning effect on keratinized tissues, at least in animals. Antimony-based drugs, such as meglumine antimoniate, are also considered the drugs of choice for treatment of leishmaniasis in domestic animals. Unfortunately, as well as having low therapeutic indices, the drugs are poor at penetrating the bone marrow, where some of the Leishmania amastigotes reside, and so cure of the disease – especially the visceral form – is very difficult.

Elemental antimony as an antimony pill was once used as a medicine. It could be reused by others after ingestion.

Other uses

In the heads of some safety matches [46] and in nuclear reactors together with beryllium as startup neutron sources.

Precautions

Antimony and many of its compounds are toxic, and the effects of antimony poisoning are similar to arsenic poisoning. Inhalation of antimony dust is harmful and in certain cases may be fatal; in small doses, antimony causes headaches, dizziness, and depression. Larger doses such as prolonged skin contact may cause dermatitis; otherwise it can damage the kidneys and the liver, causing violent and frequent vomiting, and will lead to death in a few days.

Antimony is incompatible with strong oxidizing agents, strong acids, halogen acids, chlorine, or fluorine. It should be kept away from heat.[47]

Antimony leaches from polyethylene terephthalate (PET) bottles into liquids.[48] While levels observed for bottled water are below drinking water guidelines,[49][50] fruit juice concentrates (for which no guidelines are established) produced in the UK were found to contain up to 44.7 µg/L of antimony, well above the EU limits for tap water of 5 µg/L.[51][52] The guidelines are:

See also

Template:Wikipedia-Books

Notes

  1. ^ In the UK, the variable vowel /ɵ/ is usually pronounced as a schwa [ə]; in the US, it is generally a full [oʊ].
  2. ^ The use of a symbol resembling an upside down "female" symbol for antimony could also hint at a satirical pun in this origin

References

  1. ^ "Standard Atomic Weights: Antimony". CIAAW. 1993.
  2. ^ Prohaska, Thomas; Irrgeher, Johanna; Benefield, Jacqueline; Böhlke, John K.; Chesson, Lesley A.; Coplen, Tyler B.; Ding, Tiping; Dunn, Philip J. H.; Gröning, Manfred; Holden, Norman E.; Meijer, Harro A. J. (2022-05-04). "Standard atomic weights of the elements 2021 (IUPAC Technical Report)". Pure and Applied Chemistry. doi:10.1515/pac-2019-0603. ISSN 1365-3075.
  3. ^ a b c Arblaster, John W. (2018). Selected Values of the Crystallographic Properties of Elements. Materials Park, Ohio: ASM International. ISBN 978-1-62708-155-9.
  4. ^ Anastas Sidiropoulos (2019). "Studies of N-heterocyclic Carbene (NHC) Complexes of the Main Group Elements" (PDF). p. 39. doi:10.4225/03/5B0F4BDF98F60. S2CID 132399530.
  5. ^ Lide, D. R., ed. (2005). "Magnetic susceptibility of the elements and inorganic compounds". CRC Handbook of Chemistry and Physics (PDF) (86th ed.). Boca Raton (FL): CRC Press. ISBN 0-8493-0486-5.
  6. ^ Weast, Robert (1984). CRC, Handbook of Chemistry and Physics. Boca Raton, Florida: Chemical Rubber Company Publishing. pp. E110. ISBN 0-8493-0464-4.
  7. ^ Kondev, F. G.; Wang, M.; Huang, W. J.; Naimi, S.; Audi, G. (2021). "The NUBASE2020 evaluation of nuclear properties" (PDF). Chinese Physics C. 45 (3): 030001. doi:10.1088/1674-1137/abddae.
  8. ^ a b c d Sabina C. Grund, Kunibert Hanusch, Hans J. Breunig, Hans Uwe Wolf “Antimony and Antimony Compounds” in Ullmann's Encyclopedia of Industrial Chemistry 2006, Wiley-VCH, Weinheim. doi:10.1002/14356007.a03_055.pub2
  9. ^ a b Kirk-Othmer Encyclopedia of Chemical Technology, 5th ed. 2004. Entry for antimony.
  10. ^ Moorey, P. R. S. (1994). Ancient Mesopotamian Materials and Industries: the Archaeological Evidence. New York: Clarendon Press. p. 241. ISBN 9781575060422.
  11. ^ Already in 1710 Wilhelm Gottlob Freiherr von Leibniz, after careful inquiry, concluded that the work was spurious, that there was no monk named Basilius Valentinus, and the book's author was its ostensible editor, Johann Thölde (ca. 1565-ca. 1624). There is now agreement among professional historians that the Currus Triumphalis... was written after the middle of the sixteenth century and that Thölde was likely its author.Priesner, Claus and Figala, Karin, ed. (1998). Alchemie. Lexikon einer hermetischen Wissenschaft (in German). München: C.H. Beck.{{cite book}}: CS1 maint: multiple names: editors list (link)
  12. ^ s.v. "Basilius Valentinus." Harold Jantz was perhaps the only modern scholar to deny Thölde's authorship, but he too agrees that the work dates from after 1550: see his catalogue of German Baroque literature.
  13. ^ Dampier, William Cecil (1961). "A history of science and its relations with philosophy & religion". London: Cambridge U.P.: 73. ISBN 9780521093668. {{cite journal}}: Cite journal requires |journal= (help)
  14. ^ "Native antimony". Mindat.org.
  15. ^ Pliny, Natural history, 33.33; W.H.S. Jones, the Loeb Classical Library translator, supplies a note suggesting the identifications.
  16. ^ Albright, W. F. (1918). "Notes on Egypto-Semitic Etymology. II". The American Journal of Semitic Languages and Literatures. 34 (4): 230. JSTOR 528157.
  17. ^ Sarton, George (1935). "Review of Al-morchid fi'l-kohhl, ou Le guide d'oculistique, translated by Max Meyerhof". Isis (in French). 22 (2): 541. JSTOR 225136. quotes Meyerhof, the translator of the book he is reviewing.
  18. ^ LSJ, s.v., vocalisation, spelling, and declension vary; Endlich, p.28; Celsus, 6.6.6 ff; Pliny Natural History 33.33; Lewis and Short: Latin Dictionary. OED, s. "antimony".
  19. ^ Fernando, Diana (1998). Alchemy : an illustrated A to Z. Blandford. Fernando even derives it from the story of how "Basil Valentine" and his fellow monastic alchemists poisoned themselves by working with antimony; antimonium is found two centuries before his time. "Popular etymology" from OED; as for antimonos, the pure negative would be more naturally expressed by a- "not".
  20. ^ Lippman, pp. 643–5
  21. ^ Lippman, p. 642, writing in 1919, says "zuerst".
  22. ^ Meyerhof as quoted in Sarton, asserts that ithmid or athmoud became corrupted in the medieval "traductions barbaro-latines".; the OED asserts that some Arabic form is the origin, and if ithmid is the root, posits athimodium, atimodium, atimonium, as intermediate forms.
  23. ^ Endlich, p.28; one of the advantages of as-stimmi would be that it has a whole syllable in common with antimonium.
  24. ^ "Metals Used in Coins and Medals". ukcoinpics.co.uk.
  25. ^ Wang, Chung Wu (1919). "The Chemistry of Antimony". Antimony: Its History, Chemistry, Minerology, Geology, Metallurgy, Uses, Preparation, Analysis, Production and Valuation with Complete Bibliographies (PDF). London, United Kingdom: Charles Geiffin and Co. Ltd. pp. 6–33.
  26. ^ "Antimony Statistics and Information". United States Geological Survey.
  27. ^ Peng, J (2003). "Samarium–neodymium isotope systematics of hydrothermal calcites from the Xikuangshan antimony deposit (Hunan, China): the potential of calcite as a geochronometer". Chemical Geology. 200: 129. doi:10.1016/S0009-2541(03)00187-6.
  28. ^ "WebElements: Antimony: Essential Information". Webelements.com. Retrieved 2010-07-09.
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