seignette ntsev
Cov sodium sodium tartrate (cov tshuaj ua kom muaj zog: NaKC4H4O6 · 4H2O), tseem hu ua sodium potassium tartrate, Roche ntsev, Rochelle ntsev, yog ntsev ob zaug tsim los ntawm sodium tartrate thiab potassium tartrate. Nws yog xim tsis muaj kob rau xiav-dawb orthorhombic siv lead ua, soluble hauv dej, soluble me ntsis hauv cawv, qab ntsev thiab txias hauv saj, thiab me ntsis alkaline hauv nws cov kua aqueous.