Tính hút ẩm của NaNO2?

... Ammonium Chloride (NH4Cl) . . . . . . . . . . . . . . . . . . . . . . . 2-104. 2-38. Ammonium Chromate [(NH4)2CrO4] . . . . . . . . . . . . . . . . . . 2 ... Feb 14, 2019 ... (e) Addition of ammonium chloride to a sodium containing ferric and magnesium ions is essential for selective precipitation of ferric hydroxide ... ), NH4Cl (Tianjin Fuchen Chemical Reagent Co, Ltd.), ... As a typical run, 6.5 g of SiO2∙3H2O were mixed with 1.09 g of. NaAlO2 and 0.19 g of NaOH one by one. (2) Gives white fumes of NH4Cl when a glass rod moistened with ammonia solution is brought near ... Al(OH)3 + NaOH → NaAlO2 + 2H2O. 2. Precipitate of Cr(OH)3 is ... Appearance: White powder (sometimes light-yellowish) | hygroscopic/ when dissolved in water a colloidal black solution is formed. solns., which include (NH4)2SO4, NH4Cl, NH4HSO4 and H2SO4. NH4HSO4 is the ... NaAlO2, or Na2SiO3 at 298.15–353.15 K. Journal of Chemical & Engineering ... NH4Cl. 12125-02-9. 53.492 col cub cry. 520.1 tp (dec) 338 sp. 1.519. 39.525. 94 ... 2535 Sodium ammonium phosphate tetrahydrate. NaNH4HPO4 ∙ 4H2O. 13011-54-6. In the laboratory, ammonia is easily produced by the acid-base reaction of sodium hydroxide and ammonium chloride. NaOH + NH4Cl = NH3 + NaCl + H2O As a ... Sulphide (S2– ). Take 1 mL of water extract and make it alkaline by adding ammonium hydroxide or sodium carbonate extract. Add a drop of sodium nitroprusside. Meanwhile, the CaO content of commercial zeolite A is only about 2 wt%. Ammonium chloride (NH4Cl), sodium hydroxide (NaOH) and sodium aluminates (NaAlO2) used ...