ammonium chloride


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ammonium chloride

(əmō`nēəm klôr`īd), chemical compound, NH4Cl, a white or colorless, odorless, water-soluble, cubic crystalline salt with a biting taste, commonly known as sal ammoniac. It is prepared commercially by reacting ammoniaammonia,
chemical compound, NH3, colorless gas that is about one half as dense as air at ordinary temperatures and pressures. It has a characteristic pungent, penetrating odor.
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, NH3, with hydrogen chloride, HCl, and is used chiefly in the manufacture of electric dry-cell batteries, in soldering fluxes, in textile printing, and in making other compounds. It is also used in certain medical treatments. It occurs in nature in volcanic regions.

ammonium chloride

[ə′mōn·yəm ′klȯr‚īd]
(inorganic chemistry)
NH4Cl A white crystalline salt that occurs naturally as a sublimation product of volcanic action or is manufactured; used as an electrolyte in dry cells, as a flux for soldering, tinning, and galvanizing, and as an expectorant.

sal ammoniac, ammonium chloride

A material used in a soldering flux and as an ingredient in iron cement.
References in periodicals archive ?
Ammonium chloride plays a decisive role and also acts as a parting agent concurrently by generating voids in Al powder when it decomposes.
As discussed in the "Introduction" section, the atmosphere of a hot-dip galvanizing facility may be highly contaminated with ammonium chloride particles which settle down and contaminate the chromate quenching bath which in turn becomes a potential source of a chloride contamination.
After 15 minutes of room-temperature incubation in the dark, red cell lysis was initiated with 1 mL of ammonium chloride, followed by 3 to 5 minutes of incubation before flow cytometry.
Similarly, Kee and Chew (1996) found that 5-9% of N applied as ammonium chloride was lost in surface runoff associated with 5 subsequent rain events (nearly all in solution rather than with sediment).
Ammonium chloride salt for each batch of sulfideammonium concentrate was weighed and the ammonium concentration determined.
Three nitrogen sources were selected: (1) ammonium sulfate (21-0-0), (2) ammonium chloride (25-0-0) and (3) urea (45-0-0).
Positively charged polydiallyldimethyl ammonium chloride (PDADMAC), was found to bind strongly to the surface of anionic montmorrillonite platelets in aqueous dispersions.
Promoted from Quebec by a man named Gaston Naessens, who had twice been convicted of fraudulent medical practice in France, the substance has been analyzed by Canadian health authorities and found to contain only camphor, ammonium chloride and nitrate, salt, alcohol, and water.
Regimen, a combination of benzocaine, ammonium chloride and phenylpropanolamine, is marketed.
In his research, Stein used a single-screw extruder to melt and blend composites of dried starch and the conventional plasticizers urea, sucrose, and ammonium chloride.
Additional sources of nitrogen include sand additives and polymerization catalysts (urea, hexamethylene tetramine, triethylamine, ammonium chloride, flour and seacoal).
In addition, they are proud to be the only North American based manufacturer of ammonium chloride and, in 2003, they entered into the lignosulfonate business.