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Asphalt

Submitted by frndzzz on Thu, 08/27/2015 - 04:08

Definition

Asphalt is brownish to black ,thick sticky and highly viscous liquid or semi solid compound. Asphalt is obtained during refining of coal or petroleum and consist of mixture of hydrocarbon. It is used in preparations of roads. Asphalt is composed of bitumen which is present in crude petroleum.

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HPLC - High Performance Liquid Chromatograpy

Submitted by frndzzz on Fri, 06/27/2014 - 09:46

The term high performance liquid chromatography, also known as HPLC.

Other related forms which are used today are liquid chromatography, gas chromatogaphy, solid liquid chromatography.

column chromatography, solid-liquid chromatography, liquid liquid chromatography and much more.

Which are used for the separation and identification of an unknown component from a mixture of molecule.

What is Coal Tar ?

Submitted by frndzzz on Wed, 08/12/2015 - 01:41

Coal tar is a black fluid of tremendously high viscosity when coal is carbonized,

Coal tar is among the by-products which manufactured coke or gasified to make coal gas.

Coal tars are compound and variable mixtures of phenols, polycyclic aromatic hydrocarbons (PAHs), and heterocyclic compounds.

Paracetamol is the only coal-tar derived analgesic which is still in use today, but industrial phenol is now usually synthesized from crude oil rather than coal tar.

Coal

Submitted by frndzzz on Thu, 08/27/2015 - 04:04

Definition

Coal is considered to be a fossil fuel which is dark black to brownish in color, rock formed from plants that have been fossilized through the process of oxidation. Coal contains amorphous carbon along with different organic as well some inorganic compounds and liberates carbon dioxide and other harmful gases when burned. Coal is widely used to generate electricity as well as heat.

Types of Coal

Submitted by frndzzz on Wed, 08/12/2015 - 00:52

Coal is a multifaceted resource which differs in composition even inside the same deposit. There are four different types or ranking based on various levels of coal with differences in energy output as a result of increased temperature,pressure & time

Lignite is a brownish-black coal with great moisture and ash content and the lowest heating value of the four types of coal. It is used for generating electricity.

Black Hat SEO

Submitted by frndzzz on Fri, 03/20/2015 - 07:20

Short Definition of term Black Hat SEO is defined as follows. Let us check brief explanation and meaning of the given term which is given below.

In SEO - (Search Engine Optimization) some webmaster violates webmaster guidelines in orde to rank top in search results , such methods are known as black hat SEO. Duplicate content, Cloaking, keyword stuffing , SEO spamming are some of its types.

Black Hat SEO

Submitted by frndzzz on Fri, 03/20/2015 - 07:20

Short Definition of term Black Hat SEO is defined as follows. Let us check brief explanation and meaning of the given term which is given below.

In SEO - (Search Engine Optimization) some webmaster violates webmaster guidelines in orde to rank top in search results , such methods are known as black hat SEO. Duplicate content, Cloaking, keyword stuffing , SEO spamming are some of its types.

Effectiveness of Inorganic Coal

Submitted by frndzzz on Wed, 08/12/2015 - 01:24

Mineral coal is used in producing steam power to drive railway trains, Steam-ships and Steamers.

Steam-power is produced from water boiled by mineral coal. Electricity is easily manufactured from coal by planting thermal stations near coal mines.

Synthetic petrol is manufactured from mineral; coal through a kind of chemical process.

What is Coal ?

Submitted by frndzzz on Tue, 08/11/2015 - 15:48

Coal is a combustible sedimentary rock composed generally of carbon and hydrocarbons.

Coal is non-renewable resource which is the most abundant manufactured fossil fuel in the United States.

Coal is the leading source of energy for the generation of electricity all over the world, also anthropogenic sources of carbon dioxide releases.

Coal act as abundant resource that has been used for thousands of years to yield energy, mutually in the form of heat and electricity.

Advantages and disadvantages of solid phase extraction

Submitted by frndzzz on Sun, 06/29/2014 - 12:38

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

How is Coal Formed ?

Submitted by frndzzz on Tue, 08/11/2015 - 15:37

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.

Types of chromatography

Submitted by frndzzz on Sun, 06/29/2014 - 15:52

There are various different types of chromatography which are used today in different industries and in day to day life.

Before going into detail let us check it out the definition of the chromatography.

The chromatogaphy is the separation of a component from of complex mixture of substance.

Types of component, functional group or structure can be identified with the help of chromatography.

List of some of the equipment are as follows:

Gas chromatography

Liquid chromatography

Solid chromatography

Liquid-liquid chromatography

Combustion

Submitted by frndzzz on Thu, 08/27/2015 - 05:23

Definition

Combustion is a process in which heat and light is produced, by the rapid chemical reaction between oxygen and other substances or fuels such as wood, oil, coal, petroleum etc., 

Advantages and disadvantages of Chromatography

Submitted by frndzzz on Sat, 06/28/2014 - 17:12

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.