Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Chemical compound
Zirconium tungstate (ZrWO4) is the zirconium salt of tungstic acid and has unusual properties. The phase formed at ambient pressure by reaction of ZrO2 and WO3 is a metastable cubic phase, which has negative thermal expansion characteristics, namely it shrinks over a wide range of temperatures when heated.[2] In contrast to most other ceramics exhibiting negative CTE (coefficient of thermal expansion), the CTE of ZrW2O8 is isotropic and has a large negative magnitude (average CTE of -7.2x10−6K−1) over a wide range of temperature (-273 °C to 777 °C).[3] A number of other phases are formed at high pressures.
^"C&L Inventory". echa.europa.eu. Retrieved 8 December 2021.
^Mary, T. A.; J. S. O. Evans; T. Vogt; A. W. Sleight (1996-04-05). "Negative Thermal Expansion from 0.3 to 1050 Kelvin in ZrW2O8". Science. 272 (5258): 90–92. Bibcode:1996Sci...272...90M. doi:10.1126/science.272.5258.90. S2CID 54599739. Retrieved 2008-02-20.
Zirconiumtungstate (ZrWO4) is the zirconium salt of tungstic acid and has unusual properties. The phase formed at ambient pressure by reaction of ZrO2...
substitute. Zirconium monoxide, ZrO, is also known and S-type stars are recognised by detection of its emission lines. Zirconiumtungstate has the unusual...
that exist in network materials such as quartz, cristobalite or zirconiumtungstate. Network materials can be described as three-dimensional networks...
most studied materials to exhibit negative thermal expansion is zirconiumtungstate (ZrW 2O 8). This compound contracts continuously over a temperature...
coefficients of thermal expansion (exceeding the previous record holder, zirconiumtungstate). Typical for an inorganic polymer, Zn(CN)2 is insoluble in most...
polymerizes; alkaline soils cause monomeric tungstates; acidic soils cause polymeric tungstates. Sodium tungstate and lead have been studied for their effect...
(BeF2−4), selenate (SeO2−4), chromate (CrO2−4), molybdate (MoO2−4), or tungstates. Although monofluorophosphates are predicted, they have not been described...
exchange techniques. Terbium is used to dope calcium fluoride, calcium tungstate and strontium molybdate in solid-state devices, and as a crystal stabilizer...
intensity to be commercialized. Edison had quickly discovered that calcium tungstate screens produced brighter images. Edison, however, abandoned his research...
content of beryllium to emit greenish light. Small additions of magnesium tungstate improved the blue part of the spectrum to yield an acceptable white light...
Oligomerization, and Condensation Reactions of Vanadate(V), Molybdate(vi), and Tungstate(vi), Advances in Inorganic Chemistry, vol. 49, Academic Press, pp. 127–182...
weight, and gout; it can also affect the lungs, kidneys, and liver. Sodium tungstate is a competitive inhibitor of molybdenum. Dietary tungsten reduces the...
"Tissue distribution of tungsten in mice following oral exposure to sodium tungstate," Chemical Research in Toxicology, vol. 24, no. 4, pp 488–493, doi:10...
the low number of other known thorium oxometallates are the arsenate, tungstate, germanate, silicate, borate, and perrhenate. While thorium titanates...
oxide touched the nickel cathode that could form conductive aluminium tungstate and which could ultimately develop into a heater-cathode short circuit...
a density separation in a heavy liquid medium such as lithium sodium tungstate (LST). The sample is then dissolved, a common isotope carrier added (Be-9...
positive peaks shaded in a single dark colour. wolframite An iron manganese tungstate mineral with the chemical formula (Fe,Mn)WO4. Contents: Top A B C D E...
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