Potassium iodide (potassium iodide)

Japanese: ヨウ化カリウム(沃化カリウム) - ようかカリウム(英語表記)potassium iodide
Potassium iodide (potassium iodide)
Chemical formula: KI. Commonly known as potassium iodide or potassium iodide. Found naturally in seawater and brine. Colorless cubic crystal. Sodium chloride structure, lattice constant: 7.0655 Å. Specific gravity: 3.13. Melting point: 680°C, boiling point: 1330°C. The interatomic distance of the ion pair K + -I - in the gas form is 3.0478 Å. Solubility in 100 g of water: 127.5 g (0°C), 208 g (100°C). Soluble in ethyl alcohol, methyl alcohol, acetone, and glycerin, but sparingly soluble in ether.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:
化学式KI。ヨードカリ,ヨウポツ(沃剝)と俗称される。天然には海水,かん(鹹)水などに含まれる。無色立方晶系結晶。塩化ナトリウム型構造,格子定数7.0655Å。比重3.13。融点680℃,沸点1330℃。気体におけるイオン対K―Iの原子間距離は3.0478Å。水100gに対する溶解度127.5g(0℃),208g(100℃)。エチルアルコール,メチルアルコール,アセトン,グリセリンに溶け,エーテルには難溶。

出典 株式会社平凡社世界大百科事典 第2版について 情報

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