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Laboratory Analyzers are instruments or devices used to study or monitor one or more properties (e.g. of a material, air supply or solution). Specialist equipment is required for the analysis of chemical and physical parameters such as dissolved oxygen, moisture content, density and surface area. There are many methods of introducing samples to an analyzers, including more

Laboratory Analyzers are instruments or devices used to study or monitor one or more properties (e.g. of a material, air supply or solution). Specialist equipment is required for the analysis of chemical and physical parameters such as dissolved oxygen, moisture content, density and surface area. There are many methods of introducing samples to an analyzers, including racking test tubes or beakers and feeding them into the analyzer, or having the analyzers select them individually. Many analyzers have been created with closed tubes to protect the health and safety of laboratory staff, enabling them to continue working with samples but having no direct contact with them.

Gas analyzers are used to detect the presence of gas, the volume and type of gas around a subject. These can be used in many ways, including crime scene investigation, post mortem or treating someone that has suffered the inhalation of a gas to detect the type of gas that has been inhaled and the best course of treatment. Gas analyzers can be used to detect the volume of gases such as oxygen and carbon dioxide within the blood. They can also be used to test breath for any inorganic compounds in the breath, whilst also assessing their medical state.

Moisture content analyzers covers a variety of methods for measuring moisture content in both high level and trace amounts in solids, liquids and gases. Essentially, it is the monitoring of how much moisture is present in a compound. They must be monitored for quality control and assurance reasons within the manufacturing industry. The laboratory method for measuring moisture in solid or semi-solid materials is simply by weighing the material, heating it in an oven, then heating it again, cooling and re-weighed. This difference in temperature shows the loss of moisture through evaporation.

Surface area analyzers are charged with the analysis of a surface area. This can relate to a number of different things, including biological areas, chemical areas, or every day areas. The BET (Brunauer-Emmet-Teller theory) aims to explain the physical absorption of gas molecules on a solid surface and serves as a basis for an important analysis technique for the measurement of the specific surface area and materials. Carbon absorbs many gases, so BET theory can be applied to work out specific surface area of carbon and that which lies within it. This is vastly important as Carbon is an element present in many lifeforms worldwide.

TOC Analyzers refer to the amount of carbon that is found in an organic compound and is often used as an indicator of water quality or the cleanliness of pharmaceutical manufacturing. TOC stands for Total Organic Carbon. This can also be used to analyze the amount of organic carbon in soil or in a geological formation. A typical analysis tool measures both the total carbon present and the inorganic carbon, which is the content of dissolved carbon dioxide and other carbonic acid salts. Subtracting this from the amount of total; carbon leaves TOC.

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