Encara no tenim significats per a "sulphurett hydrogen".
1The sulphur issues as sulphuretted hydrogen, mixed with the nitrogen of the air.
2Generally speaking, the sulphuretted hydrogen and sodium sulphite methods are to be preferred.
3Disengages sulphuretted hydrogen when fresh.-Thiswater was inodorous when the bottle was opened.
4Boil till dissolved, dilute, and precipitate the tin with sulphuretted hydrogen.
5There are now two small pools which exhale carbonic acid gas and sulphuretted hydrogen.
6Allow to settle, filter off the zinc sulphide and wash with sulphuretted hydrogen water.
7Pass sulphuretted hydrogen, warm, and allow the precipitate to settle.
8How can we explain the origin of the sulphuretted hydrogen?
9Filter through a coarse filter, wash with hot water containing sulphuretted hydrogen, if necessary.
10Is this sulphuretted hydrogen mixed with a great proportion of carbonic acid or atmospheric air?
11It forms a yellow fusible mass, which is decomposed by water into alumina and sulphuretted hydrogen.
12The ammonia and sulphuretted hydrogen are almost entirely dissolved by the water used in the gas generator.
13The precipitate will contain the phosphorus, together with any arsenic acid not reduced by the sulphuretted hydrogen.
14These are nitrogen, carbonic acid gas, and the destructive sulphur compounds, sulphuretted hydrogen and carbon bisulphide vapour.
15Thioaldehydes are also known, and are obtained by leading sulphuretted hydrogen into an aqueous solution of acetaldehyde.
16Pass sulphuretted hydrogen, boil, cool, and filter.