Physical State thiab Sensory yam ntxwv
Magnesium sulfate yog xim tsis muaj xim, tsis muaj ntxhiab, me ntsis iab dawb khoom, feem ntau pom raws li heptahydrate (Epsom ntsev).
Nws yog heev soluble nyob rau hauv dej (kwv yees li 700 grams yaj nyob rau hauv 1 liter dej ntawm chav tsev kub) thiab kuj yooj yim soluble nyob rau hauv organic solvents xws li glycerol thiab cawv.
Anhydrous magnesium sulfate yog hygroscopic thiab feem ntau yog siv los ua desiccant hauv organic synthesis.
Chemical Properties
Hydrate Forms: Ntxiv rau cov heptahydrate, lwm hom hydrates muaj nyob.
pH Tus nqi: Magnesium sulfate tov yog nruab nrab (pH≈6.0), tsis acidic.
Thermal Stability: Thaum rhuab mus rau 250 degree, lub heptahydrate poob nws cov dej crystallization los ua anhydrous ntsev; ntxiv cua sov decomposes nws mus rau hauv magnesium oxide.
Hydrolysis Reaction: Thaum yaj hauv dej, nws decomposes rau hauv magnesium ions (Mg²⁺) thiab sulfate ions (SO₄²⁻).
Lwm yam khoom
Magnesium ions muaj qhov nqus tau rau siab - suab nrov hauv dej hiav txwv.
