Topic
Potassium nitrate
About: Potassium nitrate is a research topic. Over the lifetime, 3537 publications have been published within this topic receiving 29450 citations. The topic is also known as: Nitric acid, potassium salt & Saltpeter.
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21 citations
TL;DR: Potassium nitrate included in different formulations can penetrate the enamel and dentin within 30 minutes and may also be partly affected by the viscosity of the material as well as other constituents of proprietary preparations.
Abstract: Clinical Relevance The tooth is permeable to potassium nitrate–containing formulations with an application time of 30 minutes.
21 citations
21 citations
Patent•
01 Oct 1976TL;DR: In this article, the danger of the accidental detonation of large masses of commercial ammum nitrate during handling and storage under normal climatic conditions is reduced by replacing the ammonium nitrate with a solid solution of potassium nitrate in form III ammonium Nitrate, where the potassium Nitrate constitutes from more than zero to less than 50 weight percent of the solid solution.
Abstract: The danger of the accidental detonation of large masses of commercial ammum nitrate during handling and storage under normal climatic conditions is reduced by replacing the ammonium nitrate with a solid solution of potassium nitrate in form III ammonium nitrate wherein the potassium nitrate constitutes from more than zero to less than 50 weight percent of the solid solution.
21 citations
TL;DR: Clinical tests indicate that M. avium is negative for nitrate reductase; this is because of the rapid reduction of nitrite produced from nitrate, which is not at the same level for all strains.
Abstract: Twenty L-amino acids and several inorganic compounds were tested individually, as a sole nitrogen source, for ability to support the growth of Mycobacterium avium LM1 serovar 1. Of the amino acids tested, only L-glutamine provided nutritional support comparable to that of ammonium chloride at 1 mM. With either 1 mM potassium nitrate or nitrite substituted for ammonium chloride, similar numbers of CFU were produced. M. avium cells were grown in potassium nitrate or nitrite concentrations of 0.25, 0.5, 1.0, and 2.0 mM, and the medium was assayed for remaining nitrogen compound at several times during growth. Rates of utilization were of first-order kinetics, with nitrite removed more rapidly than nitrate. The rates were approximately 10 times as rapid at 0.25 mM than at 2 mM for either nitrogen source. Nine clinical isolates that included M. avium serovars 1, 4, and 8 and Mycobacterium scrofulaceum serovar 43 were tested for rate of utilization of ammonia, nitrate, or nitrite. Ammonia and nitrite were utilized with first-order kinetics by all strains. Nitrate utilization occurred but was not at the same level for all strains. Clinical tests indicate that M. avium is negative for nitrate reductase; this is because of the rapid reduction of nitrite produced from nitrate.
20 citations