noun
definition
An alloy containing mercury.
definition
A combination of different things.
definition
One of the ingredients in an alloy.
verb
definition
To amalgamate.
Examples of amalgam in a Sentence
Sodium amalgam reduces it to isobutyric acid.
The distillate is freed from vanadium by digestion with sodium amalgam.
The cell has the electromotive force above stated if the amalgam of cadmium has from 6 to 13 parts of mercury to I of cadmium.
The cushions were greased and the amalgam in a state of powder spread over them.
The rubber was smeared with amalgam.
The unification of the peoples of antiquity in the Roman Empire, and the resultant amalgam of religions, gave a powerful impetus to the custom.
Tin amalgam is used for "silvering" mirrors, gold and silver amalgam in gilding and silvering, cadmium and copper amalgam in dentistry, and an amalgam of zinc and tin for the rubbers of electrical machines; the zinc plates of electric batteries are amalgamated in order to reduce polarization.
To prepare the cadmium amalgam, one part of pure cadmium is dissolved in six parts of pure mercury, and the product while warm and fluid is placed in one limb of the cell and warmed, to ensure perfect contact with the platinum wire.
When this percentage has been reached, the cell is rocked to the other side, so that the amalgam flows into one of the outer compartments where the sodium is converted by water into sodium hydrate.
An alloy was formed of two parts silver, one-third copper and one-sixth lead; to this mixture, while fluid in the crucible, powdered sulphur in excess was added; and the brittle amalgam, when cold, was finely pounded, and sealed up in large quills for future use.
The powdered amalgam was then shaken out of the quills on to the plate, so as to completely cover all the engraved pattern.
The plate was now carefully heated over charcoal fire, fresh amalgam being added, as the powder fused, upon any defective places.
Canton first suggested the use of an amalgam of mercury and tin for use with glass cylinder electrical machines to improve their action.
In this way he obtained an amalgam, from which on distilling off the mercury the barium was obtained as a silver white residue.
Bunsen in 1854 electrolysed a thick paste of barium chloride and dilute hydrochloric acid in the presence of mercury, at 10o C., obtaining a barium amalgam, from which the mercury was separated by a process of distillation.
Guntz (Comptes rendus, 1901, 133, p. 872) electrolyses a saturated solution of barium chloride using a mercury cathode and obtains a 3% barium amalgam; this amalgam is transferred to an iron boat in a wide porcelain tube and the tube slowly heated electrically, a good yield of pure barium being obtained at about looo C. The metal when freshly cut possesses a silver white lustre, is a little harder than lead, and is extremely easily oxidized on exposure; it is soluble in liquid ammonia, and readily attacks both water and alcohol.
Maquenne has also obtained it by distilling a mixture of barium amalgam and carbon in a stream of hydrogen.
Barium nitride, Ba 3 N 2, is obtained as a brownish mass by passing nitrogen over heated barium amalgam.
It is reduced by sodium amalgam to benzhydrol or diphenyl carbinol C 6 H 5 [[Choh C 6 H]] 5; a stronger reducing agent, such as hydriodic acid in the presence of amorphous phosphorus converts it into diphenylmethane (C6H5)2.
Reduction by sodium amalgam converts it into isopropyl alcohol; oxidation by chromic acid gives carbon dioxide and acetic acid.
Silver is widely diffused throughout nature, occurring in minute amount in sea-water, and in the mineral kingdom as the free metal, as an amalgam with mercury and as alloys with gold, platinum, copper and other metals.
Amalgamation is based on the property of quicksilver to extract the silver from finely-pulverized ore and collect it in the form of an amalgam.
When the charge has been worked, the contents of the pan are discharged into a settler, in which the amalgam is separated from the sands.
The amalgam is dipped out from the bowl into a canvas bag (the strainer), to separate the excess of the quicksilver from the pasty amalgam, which is then retorted and melted.
This solution and precipitation is continuous, and the metal formed unites with the mercury to form a semi-fluid amalgam.
The amalgam is pressed in linen bags to eliminate a quantity of relatively silver-free liquid mercury (which is utilized as such in subsequent operations), and the remaining solid amalgam is subjected to distillation from iron retorts.
But before such an amalgam of paganism and Christianity could be propounded, it is evident that Christianity must have been for some little time before the world, and that the system cannot possibly be traced back to Simon Magus.
Wurtz); by boiling a-chlorpropionic acid with caustic alkalis, or with silver oxide and water; by the reduction of pyruvic acid with sodium amalgam; or from acetaldehyde by the cyanhydrin reaction (J.
Quinite (cyclo-hexanediol-i 4) is prepared by reducing the corresponding ketone with sodium amalgam, cis-, and trans-modifications being obtained which may be separated by their acetyl derivatives.
Merling (Ann., 1894, 278, p. 28) by reducing resorcin in hot alcoholic solution with sodium amalgam.
The 2 acid is formed on the reduction of benzoic acid with sodium amalgam.
The A 2 acid is formed along with the A 4 acid by reducing phthalic acid with sodium amalgam in hot solutions.
The 2 acid exists in cis- and trans- forms; these are produced simultaneously in the reduction of A or A 1.5 dihydroterephthalic acids by sodium amalgam.
The 2' acid is formed when phthalic acid is reduced in the cold by sodium amalgam or by heating the A 2 ' 4 and A 3 " acids with caustic soda.
The A 1.5 acid is obtained by boiling the cis- and trans-A 2.5 acids with water, which are obtained on reducing terephthalic acid with sodium amalgam in faintly alkaline solution.
When reduced in alcoholic solution by means of sodium amalgam it yields methyl granatoline, 08H130H NCH3; this substance, on oxidation with cold potassium permanganate, is converted into granatoline, C 8 H, 5 NO, which on distillation over zinc dust yields pyridine.
Sodium amalgam reduces it to acenaphthene; chromic acid oxidizes it to naphthalic acid.
The analysis of data herein represents an amalgam of data sources.
Some us choose our regional roots, others our religious roots, others create an amalgam by merging cultures.
The Scheme must not become an indistinct amalgam of action and as a result each diversity area will be clearly identifiable within the Scheme.
Dentists have used amalgam to fill cavities since the 1800s.
I came back to the inn, asked for some large empty bottles, and made the amalgam.
The town itself was a strange amalgam of styles.
The heritage Criteria of nations in Bloom judging is a complex amalgam of built, natural, cultural and social dimensions of a community.
A curious amalgam of images crystallized on a translucent screen.
A bizarre amalgam of modernist esthetics and Gothic might, the cathedral is still unfinished, with the completion date rumored to be 2020.
Here's Health Magazine carried out a campaign on the adverse effects of mercury amalgam some years ago.
After some hours place the ball of amalgam in a piece of strong new calico and squeeze out any surplus mercury.
An amalgam of mysticism, psychotherapy and pure science fiction, the content invited the derision which was inevitably forthcoming.
Over 90% of the mercury stored in human tissue is from amalgam fillings.