Plaster of Paris
Calcium sulphate with half a molecule of water per molecule of the salt (hemi-hydrate) is called plaster of paris (plaster of paris..
Plaster of Paris [CaSO
4 .1/2H 2 O] Calcium sulphate with half a molecule of water per molecule of the salt (hemi-hydrate) is called plaster of paris..
Plaster of Paris, [CaSO4. H2O]
Plaster of Paris, [CaSO 4 . H 2 O] - Calcium sulphate with half a molecule of water per molecule of the salt (hemi-hydrate) is called plaster of paris (plaster of paris..
Plaster of Paris (CaSO4) 2.H2O
Plaster of Paris (CaSO 4 ) 2.H 2 O - Chemically, plaster of paris is known as calcium sulphate hemihydrate (hemi means half). Plaster Cast - Plaster of Paris..
Plaster of Paris (CaSO 4 ) 2.H 2 O - Chemically, plaster of paris is known as calcium sulphate hemihydrate (hemi means half). Plaster Cast - Plaster of Paris..Uses
PAHs are formed by incomplete combustion of hydrocarbons, and can be isolated from the processing of fossil fuels. Many of these compounds have no use other than research. There are some, however, that are important in the making of pharmaceuticals, dyes, plastics, and pesticid..
Uses of Graphite
1. Graphite is used in making the 'lead' of pencils. 2. It is used in the production of refractory crucibles, which can withstand very high temperature. 3. Graphite being a conductor of electricity finds application in making electrodes. 4. It is used..
Occurrence and Uses
Silicon is present in nature in the form of silica (SiO 2 ) and silicates. Rocks and clays consist of silicate minerals. Silicon is the second most abundant element (~ 27.2 wt%) on the earth's crust after oxygen {45.5wt%}. Germanium is a trace element (1.5 ppm) and is mainly recovered from flue dus..
Uses of Lime
Lime is indispensable for use with mortar and plaster. Lime is used for medicinal purposes, insecticides and plant and animal food. It is used as a laboratory reagent for gas absorption, precipitation, dehydration etc. It is used as a reagent ..
Properties
It is a white powder. When mixed with water (1/3 of its mass), it evolves heat and quickly sets to a hard porous mass within 5 to 15 minutes. During setting, a slight expansion (about 1%) in volume occurs so that it fills the mould completely and takes a sharp impression. The process of ..
It is a white powder. When mixed with water (1/3 of its mass), it evolves heat and quickly sets to a hard porous mass within 5 to 15 minutes. During setting, a slight expansion (about 1%) in volume occurs so that it fills the mould completely and takes a sharp impression. The process of ..Preparation
plaster of paris is prepared by heating gypsum (CaSO 4 .2H 2 O) at 120C in rotary kilns, where it gets partially dehydrated. The temperature should be kept below 140C otherwise further dehydration will take place and the setting property of the plaster will be par..
plaster of paris is prepared by heating gypsum (CaSO 4 .2H 2 O) at 120C in rotary kilns, where it gets partially dehydrated. The temperature should be kept below 140C otherwise further dehydration will take place and the setting property of the plaster will be par..See what our Users say :
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