stannous उदाहरण वाक्य

Procter & Gamble test-marketed Crest, the first dentifrice containing stannous fluoride, in 1955, and it went on sale nationally the next year.
The reducing agent used does not necessarily need to be thiosulfate; stannous chloride, sulfites, sulfides, arsenic ( III ), and antimony ( III ) are commonly used alternatives.
In its announcement, Cincinnati-based Procter & Gamble said only that the new product contains " a patented stabilized stannous fluoride system that inhibits plaque bacterial growth ."
"' Tin selenide "', also known as stannous selenide, is an inorganic compound with the formula ( Se ), where Tin has a + 2 oxidation state.
I am curious as to what the reduction potential of ascorbic acid is compared to stannous ion, for example ?-- talk ) 15 : 17, 3 September 2010 ( UTC)

Stannous chloride is also added as a food additive with E number "'E512 "'to some canned and bottled foods, where it serves as a color-retention agent and antioxidant.
Kodak's official E-6 process, which replaced Process E-4 for almost all applications, avoids the necessity of TBAB by adding a separate reversal bath containing the tin salt stannous chloride.
While making a coloured liquid for a thermometer, Cornelis Drebbel dropped a flask of Aqua regia on a tin window sill, and discovered that stannous chloride makes the color of carmine much brighter and more durable.
Therefore, if clear solutions of tin ( II ) chloride are to be used, it must be dissolved in hydrochloric acid ( typically of the same or greater molarity as the stannous chloride ) to maintain the oxidation by the air:
Although developed by a chemist at Procter and Gamble, its use in toothpaste ( Colgate toothpaste ) was patented by Colgate-Palmolive, as Procter and Gamble was engaged in the marketing of Crest toothpaste ( containing stannous fluoride, marketed as " Fluoristan " ).