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How is Coal Formed ?

Since the 13th century coal is derived from the Old English term col, which means "mineral of fossilized carbon".

Coal consists of high content of carbon and other elements like, sulfur, hydrogen, oxygen, and nitrogen.

Coal is a naturally black sedimentary rock occurring in rock strata in layers or veins called coal beds or coal seams.

Anthracite coal is the solider form of coal, can be considered as metamorphic rock because of later exposure to high temperature and pressure.

Recommended Article : http://frndzzz.com/Advantages-Disadvantages-of-Coal to learn more about fossil fuel.

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Advantages and disadvantages of solid phase extraction

Solid phase extraction:Let us discuss advantages and disadvantages of solid phase extraction. Some of them are discussed below so let us check it out one by one.

Advantages:

No emulsion problems observed.

Cost is low

Accuracy is greater

Glass breakage minimal

Lower solvent consumption

Reagent consumption lower

No cross contamination

Less sample handling

Process in fewer steps

Disadvantages:

Incomplete removal of the interferences

What are the uses of LPG ?

Some of the uses of Liquefied Petroleum Gas (LPG) are as follows. So let us check it out some information on LPG to know more about LPG.

  1. LPG can be used as a fuel in motor vehicles.
  2. LPG can also be used as refrigerant.
  3. LPG is also used in agriculture purposes if various drying processes.
  4. In industry lpg is widely used for heating purposes.
  5. It is also used for domestic purposes for cooking food.

You might also like full form of LPG

LIMS to NCE terms

The List of Abbreviations used in Pharmaceutical Industry

Check out more information of related terms

Again in the seventh chapter of the list of abbreviations used in pharmaceutical industry you will get some of the important terms used daily in pharma industry.

Full Form of CNC,GPRS

Computerized Numerical Control (CNC) are an automatic digital computers which are used to control machines.(Other full form of CNC and meaning are also available) So check it out other articles related to the given term.

GPRS : General Packet Radio Service (Packet oriented mobile data service for mobile communication).

Advantages and disadvantages of Chromatography

Chromatography is simple method. Chromatography can be handled by single person.

Other advantages are, Chromatography is used to separate components from complex mixture.

Different types of chromatography equipment are available for separation of different compounds.

Some of them are Gas Chromatography, Liquid Chromatography, Solid Chromatography, High performance liquid Chromatography, Solid liquid Chromatography, Liquid liquid Chromatography, Thin layer Chromatography. This method gives accurate results.