zinc sulfate

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zinc

 [zingk]
a chemical element, atomic number 30, atomic weight 65.37, symbol Zn. (See Appendix 6.) It is a trace element in the diet, a component of several enzymes, including DNA and RNA polymerases and carbonic anhydrase. It is abundant in red meat, shellfish, liver, peas, lentils, beans, and rice. A well-balanced diet assures adequate intake of zinc. Those who may suffer from zinc deficiency include persons on a strictly vegetarian diet and those who are on a high-fiber diet. In the latter case, the zinc is bound to the fiber and is eliminated in the feces without having been absorbed through the intestinal wall. Poor absorption of zinc also can occur in persons with chronic and severe bowel disease. The recommended daily intake is 12–15 mg for an adult. A severe deficiency of zinc can retard growth in children, cause a low sperm count in adult males, and retard wound healing. Signs of a deficiency include anorexia and a diminished sense of taste. An excessive intake of zinc (usually in those who work with the metal or breathe its fumes) can either cause pneumoconiosis or interfere with the body's use of copper and other trace elements, producing diarrhea, nausea, vomiting, and other signs of intestinal irritation.
zinc acetate a salt used as an astringent and styptic.
zinc chloride a salt used as a nutritional supplement in total parenteral nutrition and applied topically as an astringent and a desensitizer for dentin.
zinc oxide a topical astringent and skin protectant; also a sunscreen.
zinc stearate a powder of zinc in a compound with stearic and palmitic acids; used as a water-repellent skin protectant in dermatoses.
zinc sulfate a topical astringent for mucous membranes, especially those of the eye.
zinc undecylenate the zinc salt of undecylenic acid; it is a topical antifungal.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

zinc sul·fate

used as a local astringent in the treatment of gonorrhea, indolent ulcers, conjunctivitis, and various skin diseases, and internally as an emetic.
Farlex Partner Medical Dictionary © Farlex 2012

zinc sulfate

n.
A colorless crystalline compound, ZnSO4·7H2O, used medicinally as an emetic and astringent, as a fungicide, and in wood and skin preservatives. Also called white vitriol.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

zinc sul·fate

(zingk sŭlfāt)
Used as a local astringent to treat gonorrhea, indolent ulcers, conjunctivitis, and various skin diseases, and internally as an emetic.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
References in periodicals archive ?
The morphology of each synthesized calcium zincate powders was analyzed by a FEG-SEM (Ultra 55, Carl Zeiss, Germany) using a secondary electron in-lens detector and working at WD = 6 mm with 2 KeV to maximize the image resolution at low beam energies.
Particle Size Distribution and Morphology of the As-Synthesized Calcium Zincate Samples.
The HMMS synthesis method yields smaller calcium zincate particles with 10 [+ or -] 2 [micro]m average size for the micronic sized one and leads to the most homogeneous calcium zincate powder within the minimum synthesis time.
Figure 2 shows the FEG-SEM micrographs of the calcium zincate powders synthesized using the HCS, HTS, and HMMS methods (2 grades).
Calcium zincate particles synthesized from the Hydrochemical Synthesis (HCS) method are shown in Figures 2(a) and 2(b).
After the Hydrothermal Synthesis (HTS) performed during 24 h at 75[degrees] C, the calcium zincate crystals, shown in Figures 2(c) and 2(d), consist of tetragonal-like particle with a thickness of 20 [micro]m in the center (it is thinner on the tips).
The HMMS method produces lozenge-platelet calcium zincate particle (Figure 2(e)).
Figures 2(g) and 2(h) show representative agglomerated submicronic calcium zincate particles synthesized through the HMMS method after 144 s of residence time.
Structural Characterization of Different Calcium Zincate Samples.
The refined results reported in Table 1 enable stating that all the samples are well-crystallized calcium zincate, according to their similar lattice parameters.
There is only a single calcium zincate structure and the difference between these two values noted in the literature reside in the choice of the origin.
Rietveld refinement was applied on X-ray powder diffraction data of Submicronic HMMS calcium zincate sample without preferential orientation.