WebJan 4, 2024 · Hygroscopy. A hygroscopic substance is one that readily attracts water from its surroundings, through either absorption or adsorption. Note: The above text is … When water vapor is absorbed, the water molecules are taken into the molecules of the hygroscopic substance, often resulting in physical changes, such as increased volume. Color, boiling point, temperature, and viscosity can also change. In contrast, when water vapor is adsorbed, the water molecules … See more You might encounter the word "hydroscopic" used in place of "hygroscopic," however, while hydro- is a prefix meaning water, the word "hydroscopic" is a misspelling and is incorrect. A … See more While capillary action is another mechanism involving the uptake of water, it differs from hygroscopy in that no absorption occurs in the process. See more Hygroscopic and deliquescent materials are both able to absorb moisture from the air. However, hygroscopy and deliquescencedon't mean precisely the same thing: Hygroscopic materials absorb moisture, while … See more
Calcium Chloride (CaCl2) - Structure, Properties, and Uses - BYJU
WebNational Center for Biotechnology Information WebExpert Answer. 1) Hygroscopic compound is the one which absorbs moisture from the surroundings (atmosphere). If we use the hyg …. 2. Briefly explain (1) why a hygroscopic compound would be a poor primary standard, lov and also (2) the distinction between the equivalence point and the end point of a titration ning. citing research apa
Pharmaceutical powders - SlideShare
WebAfter using the weights, place them inside a desiccator to keep them dry. 5. Take the right measures to weigh the samples. Use a clean spatula of appropriate size while placing the sample. Weigh the sample quantity in a volumetric flask rather than opting for butter paper weighing. The latter can introduce errors. WebMar 15, 2024 · Two condensation nuclei examples are hygroscopic or hydrophobic. Hygroscopic condensation nuclei, meaning these particles are water-seeking, are volcanic ash, salt (table salt or ocean salt), and ... Web* Powders for the ear, nose, throat, tooth sockets, or vagina are administered with an insufflator, or powder blower.! Non-potent substances are usually dispensed in bulk powder form. Those intended for external use should be clearly labeled.! Hygroscopic, deliquescent, or volatile powders should be packed in glass jars rather than pasteboard ... diazepam and weight loss