It consumes very slowly in the fire, and deflagrates like plumbago with nitre.
What reagents are used to discover the presence of foreign substances in nitre?
The nitre and Sea-salt, prescribed as ingredients in the mixture, are designed to procure an equal fusion of the whole.
nitre, or "nitrate," is a native nitrate of potash, or nitrate of soda.
Waiting an instant till he saw the nitre sparkle as it ignited, he moved away with long, swinging strides toward the sheds.
When nitre is burned with sulphur, the product is sulphate of potash, etc.
Uses in the Arts, &c.—Both sodic and potassic nitrates are called “nitre” by the public indiscriminately.
In a little while the nitre began to come in to the powder-factories.
Send one of the footmen across to the stable to know if Mahratta has had her nitre.
There is no sulphur in the States—nitre and charcoal abound.
c.1400, "native sodium carbonate," from Old French nitre (13c.), from Latin nitrum, from Greek nitron, which is possibly of Eastern origin (cf. Hebrew nether "carbonate of soda;" Egyptian ntr). Originally a word for native soda, but also associated from Middle Ages with saltpeter (potassium nitrate) for obscure reasons; this became the predominant sense by late 16c.
(Prov. 25:20; R.V. marg., "soda"), properly "natron," a substance so called because, rising from the bottom of the Lake Natron in Egypt, it becomes dry and hard in the sun, and is the soda which effervesces when vinegar is poured on it. It is a carbonate of soda, not saltpetre, which the word generally denotes (Jer. 2:22; R.V. "lye").