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Chemical element with atomic number 38 (Sr)
Strontium is a chemical element; it has symbol Sr and atomic number 38. An alkaline earth metal, it is a soft silver-white yellowish metallic element
Strontium
Russian state-sponsored cyber espionage group
the threat actor, referring to the group by their in-house code name STRONTIUM. In February 2017, the General Intelligence and Security Service (AIVD)
Fancy_Bear
Chemical compound
Strontium aluminate is an aluminate compound with the chemical formula SrAl2O4 (sometimes written as SrO·Al2O3). It is a pale yellow, monoclinic crystalline
Strontium_aluminate
Topics referred to by the same term
Look up Strontium or strontium in Wiktionary, the free dictionary. Strontium is a chemical element with symbol Sr and atomic number 38. Strontium may also
Strontium_(disambiguation)
Radioactive isotope of strontium
Strontium-90 (90 Sr) is a radioactive isotope of strontium produced by nuclear fission, with a half-life of 28.91 years. It undergoes β− decay into 90
Strontium-90
The alkaline earth metal strontium (38Sr) has four stable, naturally occurring isotopes: 84Sr (0.56%), 86Sr (9.86%), 87Sr (7.0%) and 88Sr (82.58%), giving
Isotopes_of_strontium
Unit for radioactivity exposure
The strontium unit is a unit used to measure the amount of radioactivity from strontium-90, a radionuclide found in nuclear fallout, in a subject's body
Strontium_unit
Chemical compound
Strontium oxide or strontia, SrO, is formed when strontium reacts with oxygen. Burning strontium in air results in a mixture of strontium oxide and strontium
Strontium_oxide
Chemical compound
Strontium titanate is an oxide of strontium and titanium with the chemical formula SrTiO3. At room temperature, it is a centrosymmetric paraelectric material
Strontium_titanate
Chemical compound
Strontium chloride (SrCl2) is a salt of strontium and chloride. It is a "typical" salt, forming neutral aqueous solutions. As with all compounds of strontium
Strontium_chloride
Comics series
Strontium Dog is a long-running British comics series starring Johnny Alpha, a mutant bounty hunter who lives in Earth's future. The series was created
Strontium_Dog
Chemical compound
Strontium carbonate (SrCO3) is the carbonate salt of strontium that has the appearance of a white or grey powder. It occurs in nature as the mineral strontianite
Strontium_carbonate
Chemical compound
Strontium sulfate (SrSO4) is the sulfate salt of strontium. It is a white crystalline powder and occurs in nature as the mineral celestine. It is very
Strontium_sulfate
Chemical compound
Strontium hydroxide, Sr(OH)2, is a caustic alkali composed of one strontium ion and two hydroxide ions. It is synthesized by combining a strontium salt
Strontium_hydroxide
Chemical compound
Strontium phosphate is the phosphate salt of strontium, with the molecular formula Sr3(PO4)2. It is a white solid insoluble in water. Strontium phosphate
Strontium_phosphate
Chemical compound
Strontium bromide is a chemical compound with a formula SrBr2. At room temperature it is a white, odourless, crystalline powder. Strontium bromide imparts
Strontium_bromide
Chemical compound
Strontium ranelate, a strontium(II) salt of ranelic acid, is a medication for osteoporosis marketed as Protelos or Protos by Servier. Studies indicate
Strontium_ranelate
Chemical compound
Strontium lactate is a chemical compound, a salt of strontium and lactic acid with the formula Sr(C3H5O3)2. Strontium lactate can be obtained by neutralizing
Strontium_lactate
British punk band (1977)
Strontium 90 were a short-lived British band active in 1977 whose members were Mike Howlett (bass, vocals) from Gong, Sting (vocals, guitar, bass) and
Strontium_90_(band)
Chemical compound
Strontium nitrate is an inorganic compound composed of the elements strontium, nitrogen and oxygen with the formula Sr(NO3)2. This colorless solid is
Strontium_nitrate
Naturally occurring mineral form of calcium apatite
marine in nature (carbon, strontium); the geographical origin and migratory habits of an animal or human (oxygen, strontium) and to reconstruct past temperatures
Hydroxyapatite
Group of chemical elements
periodic table. They are beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba), and radium (Ra). The elements have very similar properties:
Alkaline_earth_metal
Strontium Technology Pte Ltd is a PC and flash memory manufacturing company, having its headquarters in Singapore. Today, its operations span to varied
Strontium_Technology
Isotope of strontium
Strontium-89 (89 Sr) is a radioactive isotope of strontium with a half-life of 50.56 days. It undergoes β− decay (with practically no gamma rays) into
Strontium-89
Chemical compound
Strontium carbide (also more precisely known as strontium acetylide or strontium dicarbide) is a salt with chemical formula SrC2. It was first synthesized
Strontium_carbide
Chemical compound
Strontium fluoride, SrF2, also called strontium difluoride and strontium(II) fluoride, is a fluoride of strontium. It is a brittle white crystalline solid
Strontium_fluoride
Dental hygiene product for sensitive teeth
ways depending on the product's active ingredient—potassium nitrate, strontium acetate/chloride. The potassium ion hyperpolarizes the nerve and stops
Sensodyne
Chemical compound
Strontium iodide is an inorganic compound with the chemical formula SrI2. It is a salt of strontium and iodine. It forms a hexahydrate SrI2·6H2O. It is
Strontium_iodide
Chemical compound
Strontium azide is an inorganic chemical compound with the formula Sr(N3)2. It is composed of the strontium cation (Sr2+) and the azide anions (N−3).
Strontium_azide
Index of articles associated with the same name
Strontium ruthenate may refer to two compounds: Monostrontium ruthenate, SrRuO3, a ferromagnetic perovskite. Distrontium ruthenate, Sr2RuO4, a perovskite
Strontium_ruthenate
Chemical compound
Strontium disilicide is a binary inorganic compound of strontium and silicon with the chemical formula SrSi2. Synthesis of strontium disilicide can be
Strontium_disilicide
Chemical compound
Strontium boride (SrB6) is an inorganic compound. At room temperature, it appears as a crystalline black powder. Closer examination reveals slightly translucent
Strontium_hexaboride
Chemical compound
Strontium stearate is a metal-organic compound, a salt of strontium and stearic acid with the chemical formula Sr(C18H35O2)2. The compound is classified
Strontium_stearate
Historical scientific theory
stoichiometric value of strontium oxide by a great series of experiments. It turned out that it [i.e., the molar weight of strontium oxide] – if that of hydrogen
Döbereiner's_triads
Inorganic chemical compound
Strontium fluorochloride or strontium fluoride chloride is an inorganic compound of strontium, fluorine, and chlorine with the chemical formula SrFCl
Strontium_fluorochloride
Chemical compound
Strontium sulfide is the inorganic compound with the formula SrS. It is a white solid. The compound is an intermediate in the conversion of strontium
Strontium_sulfide
Chemical compound
Strontium chromate is an inorganic compound with the formula SrCrO4. Strontium chromate is prepared from strontium chloride and sodium chromate, or from
Strontium_chromate
Chemical compound
Strontium selenide is an inorganic compound with the chemical formula SrSe. Strontium selenide can be prepared by reducing strontium selenate with hydrogen
Strontium_selenide
Chemical compound
Strontium barium niobate is the chemical compound SrxBa1−xNb2O6 for 0.32≤x≤0.82. Strontium barium niobate is a ferroelectric material commonly used in
Strontium_barium_niobate
Chemical compound
Strontium chlorate is a chemical compound with the formula Sr(ClO3)2. It is a strong oxidizing agent. It exists in several hydrated forms; the monohydrate
Strontium_chlorate
Chemical compound
Strontium oxalate is a compound with the chemical formula SrC2O4. Strontium oxalate can exist either in a hydrated form (SrC2O4·nH2O) or as the acidic
Strontium_oxalate
Chemical compound
Strontium nitride, Sr3N2, is produced by burning strontium metal in air (resulting in a mixture with strontium oxide) or in nitrogen. Like other metal
Strontium_nitride
Chemical element with atomic number 20 (Ca)
physical and chemical properties are most similar to its heavier homologues strontium and barium. It is the fifth most abundant element in Earth's crust, and
Calcium
1984 video game
Strontium Dog: The Killing is an action game developed by Channel 8 Software and published by Quicksilva. The game was released for the ZX Spectrum in
Strontium_Dog:_The_Killing
Ferrimagnetic ceramic material
which occurs naturally as the mineral jacobsite. Less often bismuth, strontium, zinc as found in franklinite, aluminum,yittrium, or barium ferrites are
Ferrite_(magnet)
Sulfate mineral
Celestine (the IMA-accepted name) or celestite is a mineral consisting of strontium sulfate (SrSO4). The mineral is named after its occasional delicate blue
Celestine_(mineral)
Radiometric dating technique for rocks and minerals
The rubidium–strontium dating method (Rb–Sr) is a radiometric dating technique, used by scientists to determine the age of rocks and minerals from their
Rubidium–strontium_dating
Radioisotope thermoelectric generator
Soviet-era lighthouses and beacons. The Beta-M contains a core made up of strontium-90, which has a half-life of 28.79 years. The service life of these generators
Beta-M
Chemical compound
Strontium peroxide is an inorganic compound with the formula Sr O2 that exists in both anhydrous and octahydrate form, both of which are white solids
Strontium_peroxide
Series of US government research studies
yield. With the conclusion from Project GABRIEL that radioactive isotope Strontium-90 (Sr-90) represented the most serious threat to human health from nuclear
Project_SUNSHINE
Rare carbonate mineral and raw material for the extraction of strontium
important raw material for the extraction of strontium. It is a rare carbonate mineral and one of only a few strontium minerals. It is a member of the aragonite
Strontianite
decay of 87Rb has been used extensively in dating rocks; see rubidium–strontium dating for a more detailed discussion. Other than 87Rb, the longest-lived
Isotopes_of_rubidium
1961 study of radioactive fallout
presence of strontium-90, a cancer-causing radioactive isotope created by the more than 400 atomic tests conducted above ground. Strontium-90 is absorbed
Baby_Tooth_Survey
Lanthanum strontium cobalt ferrite (LSCF), also called lanthanum strontium cobaltite ferrite is a specific ceramic oxide derived from lanthanum cobaltite
Lanthanum strontium cobalt ferrite
Lanthanum_strontium_cobalt_ferrite
Luminous paint applied to watches
sulfide and strontium aluminate. Use of zinc sulfide for safety related products dates back to the 1930s. However, the development of strontium oxide aluminate
Lume
Main village in Sunart, an area in western Lochaber, Highland, Scotland
mines the mineral strontianite was discovered, from which the element strontium was first isolated. The village name in Gaelic, Sròn an t-Sìthein, translates
Strontian
Electrical generator that uses heat from radioactive decay
or strontium respectively, relatively complex (and heavy) chemical compounds have to be used. For example, strontium is commonly used as strontium titanate
Radioisotope thermoelectric generator
Radioisotope_thermoelectric_generator
Chemical compound
some strontium-containing toothpastes. Strontium acetate is formed by reacting strontium metal, strontium oxide, strontium hydroxide or strontium carbonate
Strontium_acetate
Type of crystal structure
A perovskite is a crystalline material of formula ABX3 with a crystal structure similar to that of the mineral perovskite, this latter consisting of calcium
Perovskite_(structure)
Chemical element that accumulates in bone tissue
humans and other animals when introduced into the body. For example, strontium and radium are chemically similar to calcium and can replace the calcium
Bone_seeker
A strontium vapor laser is a laser that produces at its output, high-intensity pulsed light at a wavelength of 430.5 nm in the blue-violet region of the
Strontium_vapor_laser
Photoluminescent pigment
Super-LumiNova is a brand name under which strontium aluminate–based non-radioactive and nontoxic photoluminescent or afterglow pigments for illuminating
Super-LumiNova
Lanthanum strontium manganite (LSMO) is a mixed-valence perovskite oxide with the general formula La1−xSrxMnO3, where x denotes the fraction of lanthanum
Lanthanum_strontium_manganite
American theoretical physicist (1904–1967)
food supplies. Oppenheimer asked Fermi whether he could produce enough strontium without letting too many in on the secret. Oppenheimer continued, "I think
J._Robert_Oppenheimer
British comic magazine
series in 2000 AD include Rogue Trooper, Sláine, The Ballad of Halo Jones, Strontium Dog, ABC Warriors, Nemesis the Warlock and Nikolai Dante. 2000 AD was
2000_AD_(comics)
Nuclear fuel that has been irradiated in a nuclear reactor
moniliferum using non-radioactive strontium found that varying the ratio of barium to strontium in water improved strontium selectivity. Spent nuclear fuel
Spent_nuclear_fuel
Obsolete chemical method
mineral strontianite (strontium carbonate) was first found. Strontium carbonate is a recycled coreactant in this process. Strontium carbonate is calcined
Strontian_process
Tabular arrangement of the chemical elements
all metals). The next 18 elements fill the 5s orbitals (rubidium and strontium), then 4d (yttrium through cadmium, again with a few anomalies along the
Periodic_table
Cosmetic preparation used to remove hair from the skin
hydrolyze the hair so that it is easily removed. Formerly, sulfides such as strontium sulfide were used, but due to their unpleasant odor, they have been replaced
Chemical_depilatory
US government research study
States Atomic Energy Commission surmised that the radioactive isotope strontium-90 (Sr-90) presented the greatest hazard to life globally, which resulted
Project_GABRIEL
1986 nuclear accident in the Soviet Union
zone, causing increased radiation from the release of caesium-137 and strontium-90 from the ground and biomass. The increase in radioactivity was detectable
Chernobyl_disaster
1997 studio album by Strontium 90
Police Academy is the only album by Strontium 90, released by Mike Howlett in 1997. This album consists of live tracks recorded at Gong's reunion concert
Police_Academy_(album)
Bronze Age girl found in Egtved, Denmark
Frei et al in 2015, since contradicted, examined chemical isotopes of strontium from the Egtved Girl's teeth, fingernails, hair, and clothing, and based
Egtved_Girl
Chemical element with atomic number 56 (Ba)
exceeds that of strontium (1,655 K or 1,382 °C or 2,519 °F). The density (3.62 g/cm3) is again intermediate between those of strontium (2.36 g/cm3) and
Barium
English rock band
Gong musician Mike Howlett invited Sting to join him in the band project Strontium 90. The drummer Howlett had in mind, Chris Cutler, was unavailable, so
The_Police
American chemist
to strontium-90 finding its way into the human food chain. Kulp's research in radiometric dating included: Potassium-argon dating Rubidium-strontium dating
J._Laurence_Kulp
Chemical element with atomic number 37 (Rb)
(see rubidium–strontium dating). Rubidium-82, one of the element's non-natural isotopes, is produced by electron-capture decay of strontium-82 with a half-life
Rubidium
Chemical compound (Sr(ClO4)2)
Strontium perchlorate is a deliquescent white crystalline compound with the formula Sr(ClO4)2. It is a strong oxidizer which gives red flames. It can
Strontium_perchlorate
Atoms or particles produced by nuclear fission
half-lives, and therefore vary in radioactivity. For instance, strontium-89 and strontium-90 are produced in similar quantities in fission, and each nucleus
Nuclear_fission_product
Archaeological site in Irbid Governorate, Jordan
and pottery dating from the Hellenistic to the Late Byzantine period. A strontium isotope study examined the enamel of human third molars and rodent teeth
Barsinia
Analytical technique used to study isotopes
past people; these isotopic systems can be used with others, such as strontium or oxygen, to answer questions about population movements and cultural
Isotope_analysis
dominant decay mode below the stable 89Y is electron capture to isotopes of strontium and the dominant mode after it is beta emission to isotopes of zirconium
Isotopes_of_yttrium
Lists radionuclides of technological importance
extracted. Strontium-90 based RTGs have been used to power remote lighthouses. As strontium is water-soluble, the perovskite form strontium titanate is
Common_beta_emitters
Fictional comic book character
and another long-running 2000 AD comic strip Strontium Dog starring Johnny Alpha. Mutated by strontium radiation fallout resulting from a nuclear war
Judge_Dredd
Class of single-celled organisms
Acantharia are a group of radiolarian protozoa, distinguished mainly by their strontium sulfate skeletons. Acantharians are heterotrophic marine microplankton
Acantharia
Type of luminous paint
manufacturers and watch brands that use different (brand) names. These strontium aluminate–based phosphorescent pigments, often called lume, operate like
Lumibrite
Chemical compound
Strontium phosphide is an inorganic compound of strontium and phosphorus with the chemical formula Sr 3P 2. The compound looks like black crystalline
Strontium_phosphide
1957 nuclear accident in England
In early 1957, there had been a leak of radioactive material in which strontium-90 was released into the environment. Like the later fire, this incident
Windscale_fire
Breakdown of nuclear fission results
to stable strontium-86 if produced either directly via (n,2n) reactions in rubidium-87, or via neutron capture in rubidium-85. The strontium radioisotopes
Fission_products_(by_element)
Chemical compound
Strontium bromate is a rarely considered chemical in the laboratory or in industries. It is, however, mentioned in the book Uncle Tungsten: Memories of
Strontium_bromate
Light energy absorbance and re-emission
include zinc sulfide and strontium aluminate. Use of zinc sulfide for safety-related products dates back to the 1930s. Strontium aluminate pigments were
Phosphorescence
German chemist (1743–1817)
was also involved in the discovery or co-discovery of titanium (1795), strontium (1793), cerium (1803), and chromium (1797) and confirmed the previous
Martin_Heinrich_Klaproth
Chemical compound
chelating metal cations. It forms the ranelate ion, C12H6N2O8S4−. Strontium ranelate, the strontium salt of ranelic acid, is a drug used to treat osteoporosis
Ranelic_acid
used in paleoclimate is strontium isotopes. Strontium-86 and strontium-87 are both stable isotopes of strontium, but strontium-87 is radiogenic, coming
Environmental_isotopes
studied and used isotopes in archaeology are carbon, oxygen, nitrogen, strontium and calcium. An isotope is an atom of an element with an abnormal number
Isotope analysis in archaeology
Isotope_analysis_in_archaeology
1961 novel by Daniel F. Galouye
evil, Radiation, with its two Lieutenants the Twin Devils Cobalt and Strontium. The Lower Level Survivors venerate a relic known as the Holy Bulb. "So
Dark_Universe_(novel)
Illuminated pyrotechnic ammunition visible in daylight and darkness
is usually a mixture of strontium compounds (nitrate, peroxide, etc.) and the metallic fuel is magnesium. Burning strontium yields a bright red light
Tracer_ammunition
Cave in Ohio, United States
and well-developed tabular crystals identified as celestine, a form of strontium sulfate. The original cave was much smaller than it is today, as much
Crystal_Cave_(Ohio)
Chemical compound
Strontium hydride is an inorganic compound with a chemical formula SrH2. Strontium hydride can be prepared by combining strontium and hydrogen: Sr + H2
Strontium_hydride
Megathrust earthquake off Japan's east coast
water in Fukushima, Tochigi and Gunma. Radioactive caesium, iodine, and strontium were also detected in the soil in some places in Fukushima. There may
2011 Tōhoku earthquake and tsunami
2011_Tōhoku_earthquake_and_tsunami
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