paj_banner

Kev lag luam chiv

  • Ammonium sulfate

    Ammonium sulfate

    Ib qho khoom siv tsis zoo, tsis muaj xim tsis muaj kob lossis cov khoom dawb, tsis muaj ntxhiab tsw.Decomposition tshaj 280 ℃.Solubility hauv dej: 70.6g ntawm 0 ℃, 103.8g ntawm 100 ℃.Insoluble hauv ethanol thiab acetone.A 0.1mol / L aqueous kua muaj pH ntawm 5.5.Tus txheeb ze ntom ntom yog 1.77.Refractive index 1.521.

  • Magnesium sulfate

    Magnesium sulfate

    Ib qho chaw uas muaj magnesium, feem ntau siv tshuaj thiab ziab khaub ncaws, suav nrog magnesium cation Mg2 + (20.19% los ntawm pawg) thiab sulfate anion SO2-4.Dawb crystalline khoom, soluble hauv dej, insoluble hauv ethanol.Feem ntau ntsib nyob rau hauv daim ntawv ntawm hydrate MgSO4·nH2O, rau ntau yam n qhov tseem ceeb ntawm 1 thiab 11. Feem ntau yog MgSO4·7H2O.

  • Ferrous Sulfate

    Ferrous Sulfate

    Ferrous sulfate yog ib yam khoom tsis muaj zog, cov crystalline hydrate yog heptahydrate ntawm qhov kub thiab txias, feem ntau hu ua "ntsuab alum", lub teeb ntsuab siv lead ua, huab cua qhuav, qhov chaw oxidation ntawm xim av yooj yim hlau sulfate nyob rau hauv cov huab cua ntub, ntawm 56.6 ℃ los ua tetrahydrate, ntawm 65 ℃ los ua monohydrate.Ferrous sulfate yog soluble hauv dej thiab yuav luag insoluble hauv ethanol.Nws cov tshuaj aqueous oxidizes qeeb hauv huab cua thaum nws txias, thiab oxidizes sai dua thaum nws kub.Ntxiv alkali lossis raug rau lub teeb tuaj yeem ua kom nws oxidation.Tus txheeb ze ntom ntom (d15) yog 1.897.

  • Ammonium Chloride

    Ammonium Chloride

    Ammonium ntsev ntawm hydrochloric acid, feem ntau yog los ntawm cov khoom lag luam alkali.Nitrogen cov ntsiab lus ntawm 24% ~ 26%, dawb los yog daj me ntsis squares los yog octahedral me me crystals, hmoov thiab granular ob daim ntawv ntau npaum, granular ammonium chloride tsis yooj yim rau nqus noo noo, yooj yim khaws cia, thiab hmoov ammonium chloride yog siv los ua ib qho yooj yim. fertilizer rau zus tau tej cov compound fertilizer.Nws yog physiological acid fertilizer, uas yuav tsum tsis txhob siv rau ntawm acidic av thiab saline-alkali av vim ntau chlorine, thiab yuav tsum tsis txhob siv raws li noob chiv, yub chiv los yog nplooj chiv.