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Free sample of Peter Pan peanut butter, promising it "does not stick to the roof of your mouth" A product sample is a sample of a consumer product that is given to the consumer free of cost so that they may try a product before committing to a purchase. When it comes to marketing non-durable commodities, such as food items, sampling is crucial.
The structure of a generic selenol. Selenols are organic compounds that contain the functional group with the connectivity C−Se−H. Selenols are sometimes also called selenomercaptans and selenothiols. Selenols are one of the principal classes of organoselenium compounds. [1] A well-known selenol is the amino acid selenocysteine.
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The diselenide can be converted back to the selenol by reduction followed by acidification of the resulting PhSe −. PhSeH is acidic with a pK a of 5.9. Thus at neutral pH, it is mostly ionized: PhSeH → PhSe − + H + It is approximately seven times more acidic than the related thiophenol. Both compounds dissolve in water upon the addition ...
Methaneselenol is the organoselenium compound with the formula C H 3 SeH.It is the simplest selenol.A colorless, poisonous gas, it is notorious for its foul, putrid odor. It is prepared by reaction of methyl lithium or a methyl Grignard reagent with selenium followed by protonation of the product.
Known as the "JV," this 50/50 joint venture between Johnson & Johnson and Merck handled the OTC product lines Pepcid, Mylanta, and Mylicon and is located at the McNeil Consumer Healthcare headquarters in Fort Washington, Pennsylvania.
The economist Alex Tabarrok has argued, that the success of this promotion lies in the fact that consumers value the first unit significantly more than the second one. So compared to a seemingly equivalent "Half price off" promotion, they may only buy one item at half price, because the value they attach to the second unit is lower than even the discounted price.
In a stable selenenic acid prepared by oxidizing a highly hindered selenol, BmtSeH, the Se-O bond length was found to be 1.808 Å while the O-Se-C angle was 96.90°. Oxidation of BmtSeOH gave BmtSeO 2 H. [5] Selenenic acids are believed to be transient intermediates in a number of redox reactions involving organoselenium compounds.