1.1
Reagents:
Iodine
,
Hydrochloric acid
,
Potassium iodide
;
rt → 100 °C
1.2
3 h, 100 °C
1.3
Reagents:
Ammonium hydroxide
;
pH 7 - 8
1.1
Reagents:
Hydrochloric acid
Solvents:
Water
;
2 - 3 h, 60 °C; 60 °C → 90 °C
1.2
90 °C; 2 h, 90 °C
1.3
Reagents:
Sulfuric acid
;
2 h, 90 °C
1.4
Reagents:
Ammonia
;
pH 9