Precipitate
101Precipitation hardening — Precipitation hardening, also called age hardening, is a heat treatment technique used to increase the yield strength of malleable materials, including most structural alloys of aluminium, magnesium, nickel and titanium, and some stainless steels …
102Precipitation (chemistry) — This article is about the chemical phenomemon. For other uses, see Precipitation. Precipitate redirects here. For the album by Interpol, see Precipitate EP. Chemical Precipitation Precipitation is the formation of a solid in a solution or inside… …
103test — 1. To prove; to try a substance; to determine the chemical nature of a substance by means of reagents. 2. A method of examination, as to determine the presence or absence of a definite disease or of some substance in any of the fluids, tissues,… …
104Liesegang rings — are a phenomenon seen in many, if not most, chemical systems undergoing a precipitation reaction, under certain conditions of concentration and in the absence of convection. HistoryThe phenomenon was first noted over one hundred years ago (in… …
105metallurgy — metallurgic, metallurgical, adj. metallurgically, adv. metallurgist /met l err jist/ or, esp. Brit., /meuh tal euhr jist/, n. /met l err jee/ or, esp. Brit., /meuh tal euhr jee/, n. 1. the technique or science of working or heating metals so as… …
106Protein precipitation — Precipitation is widely used in downstream processing of biological products, such as proteins. [http://www.rcsb.org/pdb/home/home.do] This unit operation serves to concentrate and fractionate the target product from various contaminants. For… …
107analysis — /euh nal euh sis/, n., pl. analyses / seez /. 1. the separating of any material or abstract entity into its constituent elements (opposed to synthesis). 2. this process as a method of studying the nature of something or of determining its… …
108Winkler test for dissolved oxygen — The Winkler test is used to determine the level of dissolved oxygen in water samples. This metric is then used to estimate the biological activity in the water sample. An excess of Manganese(II) salt, iodide (I ) and hydroxide (OH ) ions are… …
109Cohn process — The Cohn process is a series of purification steps with the purpose of extracting albumin from blood plasma. The process is based on the differential solubility of albumin and other plasma proteins based on pH, ethanol concentration, temperature …
110Coprecipitation — In chemistry, coprecipitation (CPT) or co precipitation is the carrying down by a precipitate of substances normally soluble under the conditions employed.[1] Analogously, in medicine, coprecipitation is specifically the precipitation of an… …
