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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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Patent
07 Dec 2010
TL;DR: In this paper, a method for manufacturing the glass substrate for data storage mediums including a chemical strengthening treatment step of dipping a glass for a substrate including, in terms of mol% on the basis of oxides, from 58 to 66% of SiO 2, from 9-15% of Al 2 O 3, from 7-15%, from 2-9% of Na 2 O, and from 13-21% of Li 2 O+Na 2 O.
Abstract: PROBLEM TO BE SOLVED: To provide a glass substrate for a data storage medium compatibly having excellent impact resistance and stabilization of a disk shape and to provide a method for manufacturing the glass substrate. SOLUTION: In the method for manufacturing the glass substrate for data storage mediums including a chemical strengthening treatment step of dipping a glass for a substrate including, in terms of mol% on the basis of oxides, from 58 to 66% of SiO 2 , from 9-15% of Al 2 O 3 , from 7-15% of Li 2 O, from 2-9% of Na 2 O, and from 13-21% of Li 2 O+Na 2 O, in a mixed molten salt to form a compressive layer on front and back surfaces of the glass for a substrate, the mixed molten salt includes, in terms of mass percent, from 1-7.5% of lithium nitrate, from 28-55% of sodium nitrate and from 40-69% of potassium nitrate. COPYRIGHT: (C)2011,JPO&INPIT

16 citations

Patent
07 Jan 2015
TL;DR: In this paper, a metal element improved biochar-based nitrate radical adsorbent and a preparation method thereof was disclosed, which can be used for effectively removing the nitrate nitrogen in a water body; besides, the effects of fixing carbon, reducing discharge and relieving the non-point source pollution are achieved.
Abstract: The invention discloses a metal element improved biochar-based nitrate radical adsorbent and a preparation method thereof. Straws are used as raw materials, and metal ions are impregnated, pyrolyzed and washed under certain conditions, so a metal ion improved cbiochar is prepared. According to the metal element improved biochar-based nitrate radical adsorbent and the preparation method thereof disclosed by the invention, by using adsorption research on nitrate radical waste water and comparing the adsorption effect of the biochar before and after improvement, the improved biochar prepared by the preparation method disclosed by the invention has good adsorption effect for potassium nitrate, wherein Mg improved wheat straw biochar has optimal adsorption effect for nitrate nitrogen; compared with the unmodified biochar, the Mg improved biochar prepared under the optimizing conditions has the advantages that the adsorption performance is improved by 10 times, and the adsorption equilibrium can be realized in a shorter time. The modified biochar adsorbent is a green adsorbent with application potential and can be used for effectively removing the nitrate nitrogen in a water body; besides, the effects of fixing carbon, reducing discharge and relieving the non-point source pollution are achieved.

16 citations

Patent
10 Oct 1974
TL;DR: A water-proof ignitor charcoal briquette as discussed by the authors is composed of charcoal and other charred or carbon fuel in powder form, homogeneously mixed with pulp powder impregnated in a solution of nitre such as potassium nitrate, sodium nitrate or potassium permanganate, so as to be capable of sustaining a long run combustion.
Abstract: A water-proof ignitor charcoal briquette, and the method of manufacture thereof, composed of charcoal and other charred or carbon fuel in powder form, homogeneously mixed with pulp powder impregnated in a solution of nitre such as potassium nitrate, sodium nitrate, potassium permanganate, excluding ammonium nitrate, so as to be capable of sustaining a long-run combustion, is compressed into individual units of various shapes using such combustible binder as resin and other known binders, and is further overcoated with such combustible solutions as resin and other known water-proof and easily ignitable solutions in order to be moisture proof as well as clean handling and at the same time to be readily ignited by a safety match or a cigarette lighter.

16 citations

Journal ArticleDOI
TL;DR: In this article, a manometric and potentiometric study of the oxide ion+oxygen reaction in molten alkali nitrate is reported, and the equilibrium constant and the temperature dependence of the reaction 2 O2−=O2+O22− was determined over a temperature range of 250-400°C.

16 citations


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Performance
Metrics
No. of papers in the topic in previous years
YearPapers
202334
202268
202139
202064
2019167
2018241