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Latest Articles

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    In this paper I describe (theoretically) the method(s) of automated protein discovery and synthesis.

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  • What are Compound Microscopes?

    Most of the microscopes used today are compound. A compound microscope features two or more lenses. A hollow cylinder called the tube connects the two lenses. The top lens, the one people look through, is called the eyepiece. The bottom lens is known as the objective lens. Below the two lenses is...

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    Diamond is a crystalline modification of pure carbon formed in the deep interior of the Earth, in the upper mantle at depths of more than 80-100 kilometers, at exceptionally high pressure and temperature. It is the most precious stone, the hardest and most wear-resistant mineral, the most...

  • What's In Your Beverage? How to Ensure Quality Control with CO2 Analytical Support

    Calibration standards, performance audits, and the FDA's never-ending safety, labeling, and inspection requirements are just the tip of the iceberg when it comes to dealing with the increasingly stringent quality control standards of the beverage industry. As these quality standards become...



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Ioniztion

The breaking up of a compound into separate ions.

Alkali Metals

Metals of Group IA (Na, K, Rb).

Semiconductor

A substance that does not conduct electricity at low temperatures but does so at higher temperatures.

Secondary Voltaic Cells

Voltaic cells that can be recharged, original reactanats can be regenerated be reversing the direction of the current flow.

Displacement Reactions

Reactions in which one element displaces another from a compound.

 

Downs Cell

Electrolytic cell for the commercial electrolysis of molten sodium chloride. For further information see Electrochemistry or Fuel Cells.

Period

The elements in a horizontal row of the periodic table.

Semipermable Membrane

A thin partition between two solutions through which certain molecules can pass but others cannot.

Secondary Standard

A solution that has been titrated against a primary standard. A standard solution is a secondary standard.

 

Base

A substance that produces OH (aq) ions in aqueous solution. Strong soluable bases are soluble in water and are completely dissociated. Weak bases ionize only slightly.