Potassium chiv tsis yog ib qho kev sib xyaw ua ke, tab sis cov ntsiab lus dav dav rau cov chiv uas nws cov ntsiab lus tseem ceeb yog potassium (K).
Cov hauv qab no yog cov yam ntxwv ntawm ntau yam potash chiv:
1. Potassium Chloride (KCl)
Chemical Structure: Ionic crystal, muaj li ntawm potassium ions (K⁺) thiab chloride ions (Cl⁻).
Lub cev muaj zog: dawb los yog daj daj muaju; Yooj yim soluble hauv dej (solubility 34.7% ntawm 20 degree); Tsawg hygroscopicity, tsis yooj yim clump; Muaj kwv yees li 50% -60% potassium oxide (K₂O).
2. Potassium Sulfate (K₂SO₄)
Chemical Structure: Ionic crystal, muaj ob lub poov tshuaj ions (K⁺) thiab ib qho sulfate ion (SO₄²⁻).
Lub cev muaj zog: Dawb los yog greyish -dawb crystals; Muaj kwv yees li 48% -52% potassium oxide; Tsawg hygroscopicity, tsis yooj yim clump; Aqueous daws yog qaug zog acidic (physiologically acidic fertilizer).
3. Potassium nitrate (KNO₃)
Cov qauv tshuaj: Ionic compound, muaj cov poov tshuaj ions (K⁺) thiab nitrate ions (NO₃⁻).
Lub cev muaj zog: tsis muaj xim, pob tshab prismatic crystals lossis hmoov dawb; Muaj kwv yees li 46% potassium oxide thiab kwv yees li 13.5% nitrate nitrogen; Yooj yim soluble hauv dej, me ntsis hygroscopic, yooj yim clumps;
