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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7 citations
TL;DR: In this article, the accuracy of the nitron-method gravimetry for the determination of the purity of potassium nitrate and that of sodium nitrite was compared with that of nitric determined by an acidimetric coulometric titration.
Abstract: The accuracy of nitron-method gravimetry for the determination of the purity of potassium nitrate andthat of sodium nitrite was studied. The gravimetry of potassium nitrate was compared with that of nitric determined by an acidimetric coulometric titration. The concentration of nitrate ions left in the filtrate of the nitron nitrate precipitate was measured by ion chromatography. A method for the oxidation of nitrite ions to nitrate ions by permanganate ions was studied for the purpose of the application of the nitron-method to the determination of the purity of sodium nitrite. The small quantity of nitrate ions contained in sodium nitrite was determined by ion chromatography
7 citations
TL;DR: In this paper, the density and dynamic viscosity of four aqueous alkaline nitrate and nitrite solutions were measured experimentally using a vibrating-tube densimeter and piston-style viscosimeter, respectively.
Abstract: Density and dynamic viscosity of four aqueous alkaline nitrate and nitrite solutions were measured experimentally. These considered solutions are used in developed absorption refrigeration cycles and heat pumps as binary working fluids (coolant/absorber). Experimentations used a vibrating-tube densimeter and piston-style viscosimeter for density and viscosity, respectively. The measurements were accomplished at atmospheric pressure. Two solutions (salts/water) were made of lithium nitrate, potassium nitrate, and sodium nitrate (LiNO3 + KNO3 + NaNO3) in the mass ratios of 53:28:19 and 53:42:5. The other two solutions of salts with water were lithium nitrate, potassium nitrate, and sodium nitrite (LiNO3 + KNO3 + NaNO2) in salt mass ratios of 53:35:12 and 60:36:4. These compositions were selected according to the best solubility. In the experimental study, the salt mass fraction was varied from 0.50 to 0.80. On the other hand, the temperature range adopted is from (323.15 to 403.15) K. Also some mathematical...
7 citations
Patent•
22 Oct 2003
TL;DR: In this paper, a safety composite oxidant was proposed, which contains 40%-50% of potassium nitrate, 40%- 50% of barium nitrate and 5%-10% of ammonium hyperchlorate.
Abstract: The present invention relates to a safety composite oxidant, its basic composition contains (wt%) 40%-50% of potassium nitrate, 40%-50% of barium nitrate, 5%-10% of potassium hyperchlorate and 5%-10%of polyethylene resin. Its cost is low and safety property is good, it can be used for preparing the powder of fireworks, maroon, fireworks display ball and flowerpot fireworks, and can ensure its production safety.
7 citations