| abstract |
(57) [Summary] [Purpose] Preventing the solidification of salt stored in a closed system, and also excellent in preventing the solidification of salt stored in the open system. Providing a method. [Structure] When storing salt in a closed system and an open system, 15 0.3 to 0. After spraying in 5% disodium hydrogen phosphate as a saturated solution, 0.3 to 0.4% of magnesium carbonate powder is added. |