Usefull Equipment Articles

What is an Atomic Absorption Spectrophotometer (AAS)
History of the AAS In 1940 Alan Walsh was a young physicist working at the British Non Ferrous Metals Laboratories ...
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Spectrometers: Emission vs. Absorption Instruments
For analytical spectroscopy, there are two main categories of instruments – based on either atomic absorption or ...
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What is Zeta Potential?
Zeta potential indicates the stability of a colloidal dispersion. A colloid is a particle, 10-8 to 10-6m in size which ...
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What is a monochromator? Resolution versus sensitivity.
A typical spectrometer will process  wavelength spectra to provide some measure of the analytical makeup of a sample. Within ...
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What is Microwave Digestion?
To measure the quantity of a metal in a sample, the metal must first be dissolved completely into a solution (called an ...
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Particle Counters: Single Optical Particle Sizing
The history of particle counting can be traced back to the 1950’s when Wallace Coulter, an American electrical engineer ...
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Tips for Selecting the appropriate Nutrient Analyser
Flow injection analysis first appeared in the 1970’s and has evolved into a larger group of automatic chemical analysers. ...
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