Potassium-doped Tungsten Wire
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Product | Product Code | ORDER | SAFETY DATA | Technical data |
---|---|---|---|---|
Potassium-doped Tungsten Wire | W-M-01-W.KD | Pricing Add to cart only | SDS > | Data Sheet > |
Potassium-doped Tungsten Wire Properties (Theoretical)
Molecular Weight | 183.85 |
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Appearance | Silvery |
Melting Point | 3410 °C |
Boiling Point | 5900 °C |
Density | 19.3 g/cm3 |
Solubility in H2O | N/A |
Poisson's Ratio | 0.28 |
Young's Modulus | 411 GPa |
Vickers Hardness | 3430 MPa |
Tensile Strength | 750 MPa |
Thermal Conductivity | 1.73 W/cm/K @ 298.2 K |
Thermal Expansion | (25 °C) 4.5 µm·m-1·K-1 |
Electrical Resistivity | 5.65 microhm-cm @ 27 °C |
Electronegativity | 1.7 Paulings |
Specific Heat | 0.0317 Cal/g/K @ 25 °C |
Heat of Fusion | 8.42 Cal/gm mole |
Heat of Vaporization | 185 K-Cal/gm atom at 5660 °C |
Potassium-doped Tungsten Wire Health & Safety Information
Signal Word | Danger |
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Hazard Statements | H228-H315-H319 |
Hazard Codes | N/A |
Precautionary Statements | P210-P305 + P351 + P338 |
Flash Point | Not applicable |
Risk Codes | N/A |
Safety Statements | N/A |
RTECS Number | YO7175000 |
Transport Information | NONH |
WGK Germany | nwg |
GHS Pictogram |
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About Potassium-doped Tungsten Wire

Synonyms
W-K, W-NS
Chemical Identifiers
Linear Formula | W-K |
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Pubchem CID | 23964 |
MDL Number | MFCD00011461 |
EC No. | 231-143-9 |
Beilstein/Reaxys No. | N/A |
SMILES | [W] |
InchI Identifier | InChI=1S/W |
InchI Key | WFKWXMTUELFFGS-UHFFFAOYSA-N |
Chemical Formula | |
Molecular Weight | |
Standard InchI | |
Appearance | |
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Packaging Specifications
Typical bulk packaging includes palletized plastic 5 gallon/25 kg. pails, fiber and steel drums to 1 ton super sacks in full container (FCL) or truck load (T/L) quantities. Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum. Shipping documentation includes a Certificate of Analysis and Safety Data Sheet (SDS). Solutions are packaged in polypropylene, plastic or glass jars up to palletized 440 gallon liquid totes, and 36,000 lb. tanker trucks.
Related Elements
See more Potassium products. Potassium (atomic symbol: K, atomic number: 19) is a Block S, Group 1, Period 4 element with an atomic weight of 39.0983. The number of electrons in each of Potassium's shells is [2, 8, 8, 1] and its electron configuration is [Ar] 4s1. The potassium atom has a radius of 227.2 pm and a Van der Waals radius of 275 pm. Potassium was discovered and first isolated by Sir Humphrey Davy in 1807. Potassium is the seventh most abundant element on earth. It is one of the most reactive and electropositive of all metals and rapidly oxidizes. As with other alkali metals, potassium decomposes in water with the evolution of hydrogen because of its reacts violently with water, it only occurs in nature in ionic salts.
In its elemental form, potassium has a silvery gray metallic appearance, but its compounds (such as potassium hydroxide) are more frequently used in industrial and chemical applications. The origin of the element's name comes from the English word 'potash,' meaning pot ashes, and the Arabic word qali, which means alkali. The symbol K originates from the Latin word kalium.
See more Tungsten products. Tungsten (atomic symbol: W, atomic number: 74) is a Block D, Group 6, Period 6 element with an atomic weight of 183.84. The number of electrons in each of tungsten's shells is [2, 8, 18, 32, 12, 2] and its electron configuration is [Xe] 4f14 5d4 6s2. The tungsten atom has a radius of 139 pm and a Van der Waals radius of 210 pm. Tungsten was discovered by Torbern Bergman in 1781 and first isolated by Juan José Elhuyar and Fausto Elhuyar in 1783. In its elemental form, tungsten has a grayish white, lustrous appearance.
Tungsten has the highest melting point of all the metallic elements and a density comparable to that or uranium or gold and about 1.7 times that of lead. Tungsten alloys are often used to make filaments and targets of x-ray tubes. It is found in the minerals scheelite (CaWO4) and wolframite [(Fe,Mn)WO4]. In reference to its density, Tungsten gets its name from the Swedish words tung and sten, meaning heavy stone.
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