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Not only is sulfuric acid hygroscopic in concentrated form but its solutions are hygroscopic down to concentrations of 10% v/v or below. A hygroscopic material will tend to become damp and cakey when exposed to moist air (such as the salt inside salt shakers during humid weather).
[2] [3] This is the opposite use of a hygroscopic material where it is used as a desiccant used to draw moisture away. In pharmaceuticals and cosmetics, humectants can be used in topical dosage forms to increase the solubility of a chemical compound's active ingredients , increasing the active ingredients' ability to penetrate skin, or its ...
Under more "comfortable" conditions, it does not so it isn't considered deliquescent. So it is like relative hardness in minerals. One might consider two hygroscopic salts in a sealed chamber; the more hygroscopic one would dessicate the other. A comprehensive article would rank "deliquescent" substances by their critical humidity.--
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They may be brightly colored, sometimes with a lattice- or veil-like membrane enclosing and protecting the spores. The spore-containing substance, the gleba, is typically gelatinous, often foul-smelling, and deliquescent (becoming liquid from the absorption of water). The gleba is formed on the exterior face of the cap or the upper part of the ...
At the end of the day, liquid detergents like Tide remove about 10 percent more stains when tested against detergent sheets like HeySunday. The gap widens to 20-30 percent when zeroing in on ...
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Below, registered dietitians and a doctor explain the shelf-life of vitamins and how it varies, plus how to store your vitamins for optimal use and the safety risks of consuming vitamins when they ...