calcium sulfate
101agricultural technology — Introduction application of techniques to control the growth and harvesting of animal and vegetable products. Soil preparation Mechanical processing of soil so that it is in the proper physical condition for planting is usually… …
102ion-exchange reaction — ▪ chemical reaction Introduction any of a class of chemical reactions between two substances (each consisting of positively and negatively charged species called ions (ion)) that involves an exchange of one or more ionic components.… …
103Ammonium nitrate — Ammonium nitrate …
104List of desiccants — A desiccant is a substance that absorbs water. It is most commonly used to remove humidity that would normally degrade or even destroy products sensitive to moisture.List of desiccants:* Activated alumina * Aerogel * Benzophenone * Bentonite clay …
105anhydrite — /an huy druyt/, n. a mineral, anhydrous calcium sulfate, CaSO4, usually occurring in whitish or slightly colored masses. [1825 35; ANHYDR + ITE1] * * * Rock forming mineral, anhydrous calcium sulfate (CaSO4), which differs chemically from gypsum… …
106Winogradsky column — The Winogradsky Column is a simple device for culturing a large diversity of microorganisms. Invented by Sergei Winogradsky, the device is a column of pond mud and water mixed with a carbon source such as newspaper (containing cellulose) or egg… …
107plaster of Paris — calcined gypsum in white, powdery form, used as a base for gypsum plasters, as an additive of lime plasters, and as a material for making fine and ornamental casts: characterized by its ability to set rapidly when mixed with water. Also, plaster… …
108Chalk — For other uses, see Chalk (disambiguation). Chalk Sedimentary Rock The Needles, situated on the Isle of Wight, are part of the extensive Southern England Chalk Formation. Composition …
109Speleothem — Image showing the six most common speleothems with labels. Enlarge to view labels. A speleothem (  / …
110Firming agent — Firming agents are food additives added in order to precipitate residual pectin, thus strengthening the structure of the food and preventing its collapse during processing.Typical firming agents are: * Calcium hydrogen sulfite (E227) * Calcium… …
