in water
evapn. of water at 50-60°C (above 60°C explosive!); on heating the solid rest cautiously to 80°C NH4NO2 sublimates from it;
参考文献
Gmelin Handbook: NH4: MVol.1, 2.6.2, page 85 - 93
→
反应条件
in water
from the aq. soln. of (NH4)2SO4 with KNO2 precipitates K2SO4; evapn. of the filtrate at 30-35°C (10-12 Torr); sublimation in vacuum at 70-80°C (10 Torr), recrystn. from abs. alc.;
potassium hydroxide; ascorbic acid powder in water
Electrochem. Process; Au as substrate, scanning electrochemical microscopy, 5 mM CuSO4, 100 mMKNO2, 100 mM NH3, ca. 0.0001 M KOH, 100 mM ascorbic acid, +1.3 V vs Ag;
ammonia; potassium nitrate; urea in water
Electrochem. Process; silver deposition on Au surface under scanning elctrochemical microscopy, +1.0 V vs. Ag, 2-3.8 mM AgNO3, 10-20 mM KNO2, 10-20 mM NH3, 0.1-0.2 M KNO3, 0.2-0.5 mM urea;
Jameson, P. E.
Journal of the American Chemical Society, 1905 , vol. 27, p. 1444
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Gmelin Handbook: Au: MVol.3, 7.2, page 660 - 662
in neat (no solvent)
byproducts: NO, NO2; heating CuSO4 in (K/Li)NO2 eutectic melt (40.7percent LiNO2) to 120°C; not isolated, detd. by UV/VIS spectroscopy and IR spectroscopy of solidified melt;
参考文献
Omer, Sabah S. Al; Kerridge, David H.
Journal of the Chemical Society, Dalton Transactions: Inorganic Chemistry (1972-1999), 1978 , p. 1589 - 1593
sodium sulfide; Titanium(IV) oxide in potassium hydroxide
Kinetics; Irradiation (UV/VIS); illumination of suspn. of catalyst in 1 M KOH-0.1 M Na2S-0.12-0.20 M KNO2 soln. under Ar or N2 (61-62°C);
参考文献
Halmann, Mordehai; Zuckerman, Katia
Journal of the Chemical Society, Chemical Communications, 1986 , # 6 p. 455 - 457
in water
Electrolysis; on the Zn cathode; ratio of products depending strongly on conc., current density and temp.;
参考文献
Suler, B.
Zeitschrift fuer Elektrochemie, 1900 , vol. 7, p. 831 - 847
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Zorn, W.
Ber., 1879 , vol. 12, p. 1510
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Gmelin Handbook: K: MVol.2, 1.7, page 263 - 268
