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Nitric acid and even aquaregia merely hissed and spattered against its torrid invulnerability.
3
It is soluble in aquaregia (nitro-hydrochloric acid).
4
It occurs in bright metallic scales, which do not alloy with lead, and are insoluble in aquaregia.
5
On treatment with hydrochloric acid or aquaregia they are decomposed; the yellow tungstic acid separates and remains insoluble.
6
This he dissolved in the aquaregia, formed by the combination of the two acids, and applied the usual chemical tests.
7
Thirteen and a half grams of the coarse material were dissolved in aquaregia, and diluted with water to 1 litre.
8
Zaffre, digested in aquaregia, and diluted with four times its weight of water, is sometimes employed; a green tint results.
9
Gold is insoluble in hydrochloric or nitric acid, but is dissolved by aquaregia or by solutions of iodine, bromine, or chlorine.
10
Chloride of Gold.-Isprepared by dissolving gold in aquaregia, a composition of one part of nitric to two parts of muriatic acid.
11
The percentage of arsenic is better determined as follows:-Weighup 1 gram of the substance, dissolve in aquaregia, dilute, and pass sulphuretted hydrogen.
12
Dissolve any quantity of gold or platina in nitro-muriatic acid, ( aquaregia,) until no further effervescence is occasioned by the application of heat.
13
When the Nazis ransacked Bohr's institute, they scoured the building for loot or evidence of wrongdoing but left the beaker of orange aquaregia untouched.
14
Nitro-Muriatic Acid.-AquaRegia is a compound menstruum invented by the alchemists for dissolving gold.
15
The alloy is then insoluble in ' 'aqua regia.''
16
20. aquaregia: "royal water," so called because it dissolves gold, is a mixture of nitric and hydrochloric acids.