Chemical formula: Na 3 PO 4 . Also known as trisodium phosphate or trisodium phosphate (soda). Anhydrous, 1,6,7,10,12 hydrates are known. The anhydrous form is a colorless cubic crystal. Melting point: 1340°C. Specific gravity: 2.537 (17.5°C). Solubility in 100g of water: 4.5g (0°C), 77g (100°C). The aqueous solution is strongly alkaline. The 12-hydrate Na 3 PO 4 ・12H 2 O is a colorless trigonal crystal. Specific gravity: 1.62. When heated, it becomes monohydrate at 100°C. Solubility in 100g of water: 28.3g (15°C). Source: Heibonsha World Encyclopedia, 2nd Edition Information |
化学式Na3PO4。リン酸三ナトリウム,第三リン酸ナトリウム(ソーダ)ともいう。無水和物,1,6,7,10,12水和物が知られている。無水和物は無色立方晶系結晶。融点1340℃。比重2.537(17.5℃)。水100gに対する溶解度4.5g(0℃),77g(100℃)。水溶液は強アルカリ性。12水和物Na3PO4・12H2Oは無色三方晶系結晶。比重1.62。熱すると100℃で1水和物となる。水100gに対する溶解度28.3g(15℃)。
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 |
<<: Phosphate fertilizer (phosphoric acid fertilizer)
>>: Calcium phosphate (calcium phosphate) - Rinsan calcium (English spelling) calcium phosphate
…The optical mode has a frequency of approximatel...
…Construction of the port began in 1934, but was ...
... As for coastal sedges, C. wahuensis CA Meyer ...
This refers to various beliefs about Prince Shotok...
…The reason why the jars in these Southeast Asian...
→Heating steam Source: Asakura Publishing Nutritio...
Poet, novelist, and critic. Born on April 9, 1892...
…Since then, many discoveries and descriptions ha...
A former town in Yuri County, southwest of Akita P...
This is one of the methods of buying and selling ...
...They lay gelatinous egg masses on the water su...
This experiment uses the resonance phenomenon of ...
…(1) Dressage: This is a competition in which the...
One of the legendary schools of swordsmanship. It ...
…This debate had a great influence on later think...