ammonium

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ammonium

 [ah-mo´ne-um]
a hypothetical radical, NH4, forming salts analogous to those of the alkaline metals.
ammonium carbonate a mixture of ammonium compounds used as a liquefying expectorant in the treatment of chronic bronchitis and similar lung disorders. It is sometimes used as a reflex stimulant in “smelling salts” because of the strong ammonia odor it gives off.
ammonium chloride colorless or white crystals, with a cool, salty taste, used as an expectorant because it liquefies bronchial secretions. In the body it is changed to urea and hydrochloric acid, and thus is useful in acidifying the urine and increasing the rate of urine flow. Excessive dosage may produce acidosis.
ammonium lactate lactic acid neutralized with ammonium hydroxide, applied topically in the treatment of ichthyosis vulgaris and xerosis.

am·mo·ni·um

(ă-mō'nē-yŭm),
An ion, NH4+, formed by combining NH3 and H+ (the pKa value is 9.24); acts as a univalent metal in forming ammonium compounds.

storage lesion

Transfusion medicine The constellation of changes occurring in a unit of packed red cells during storage. See Red cell preservatives.
Storage lesions
Ammonium to 470 µmol/L–US: 800 µg/dL
Free Hb in plasma from 82 to 6580 mg/L–US: 8.2 to 658 mg/dL
K+ from 4.2 to 78.5 mmol/L–US: 4.2 to 78.5 mEq/L
ATP from 100% to 45%
2,3 DPG to < 10% of original levels–replenished within 24 hours of transfusion
Labile proteins, eg complement, fibronectin and coagulation factors ↓ to negligible
Na+ from 169 to 111 mmol/L–US: 169 to 111 mEq/L
pH from 7.6 to 6.7
Adverse physiologic effects of stored blood is negligible in the absence of a previous compromise of the Pt's–recipient's status

am·mo·ni·um

(ă-mō'nē-ŭm)
The ion, NH4+, formed by combination of NH3 and H+; behaves as a univalent metal in forming compounds.
References in periodicals archive ?
In October 2007 a Filipino woman died due to inhalation of ammonium phosphate.
Pre Qualification: Import of 100000 mt of di ammonium phosphate dap bulk fertilizer grade at wci Eligibility Criteria : Import of 100000 MT of DI AMMONIUM PHOSPHATE DAP BULK FERTILIZER GRADE at WCI Document Purchase Start date : 14 Jun 2019 Document Purchase End date : 24 Jun 2019 Opening date : 24 Jun 2019
Tenders are invited for Import of 100000 mt plus minus of di ammonium phosphate dap bulk fertiliser grade
Tenders are invited for Import of 100000 mt plus minus 10 percent of di ammonium phosphate dap bulk fertiliser grade
Two tenders for the supply of (a) 50 tons di ammonium phosphate, also (b) 50 tons mono ammonium phosphate.
Supply of 50 tons mono ammonium phosphate of food grade & other 50 tons di ammonium phosphate, also of food grade.
The Phosphate Sector - Annaba & Tebessa Plants: There are at the Annaba complex four main production units for ammonium phosphate fertilisers, sodium tripolyphosphate (STPP), ammonium nitrate and nitric acid, and ammonia, as follows:
Tenders are invited for Import of ammonium phosphate sulphate (aps) (20 20 20 13) bulk (fertiliser grade)
Tenders are invited for Import of di ammonium phosphate dap bulk fertiliser grade
Pre Qualification: Import of ammonium phosphate sulphate (aps) (20 20 0 13)-bulk (fertiliser grade) Eligibility Criteria : IMPORT OF Ammonium Phosphate Sulphate (APS) (20 20 0 13)-BULK (FERTILISER GRADE) Document Purchase Start date : 27 Feb 2019 Document Purchase End date : 06 Mar 2019 Opening date : 06 Mar 2019
Tenders are invited for Import of di ammonium phosphate (dap )bulk (fertiliser grade