Zeta potential indicates the stability of a colloidal dispersion. A colloid is a particle, 10-8 to 10-6m in size which when mixed in a dispersing medium is termed a colloidal dispersion. Aerosols (solid or liquid colloids) in a gas (dispersing medium), emulsions...
Various Microwave Digestion Vessels have a history of accumulating volatile metals on the surface of the vessel with repeated microwave digestions. Quartz lined vessels are one such surface that needs special preparation to try and remove such accumulations. A special...
A typical spectrometer will process wavelength spectra to provide some measure of the analytical makeup of a sample. Within that spectrometer will be some separating device such as a monochromator or polychromator to measure the strength of the wavelength of...
With the continued use of conventional microwave vessels, the vessel and sub components quality, will progressively degrade with aggressive acid attack and need to be replaced. TFM-PTFE has demonstrated a superior resistance to strong acid attack allowing aging...
To measure the quantity of a metal in a sample, the metal must first be dissolved completely into a solution (called an analyte) before it can be analysed using AA (atomic absorption) or ICP Inductively Coupled Plasma. For semi quantitative analysis, hot plate...
This presents the greatest challenge for environmental scientists trying to measure long term parameter trends in warm shallow oceans such as Australia. In cooler water masses, instruments are able to be used in conjunction with copper foil and anti-fungicides such as...
The history of particle counting can be traced back to the 1950’s when Wallace Coulter, an American electrical engineer and inventor discovered a method to count microscopic particles suspended in a fluid. Coulter found that individual particles moving through...
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