Find Total Organic Carbon (TOC) Analyzers Manufacturers
About Total Organic Carbon (TOC) Analyzers
Total organic carbon (TOC) analyzers measure the amount of total organic carbon present in a liquid sample. Generally, all TOC analyzers employ the same basic technique. A liquid sample is initially introduced to an inorganic carbon (IC) removal stage, where acid is added to the sample. At this point, the IC is converted into carbon dioxide (CO2) gas that is stripped out of the liquid by a sparge carrier gas. The remaining inorganic carbon-free sample is then oxidized and the carbon dioxide generated from the oxidation process is directly related to the TOC in the sample.
The analysis methods total organic carbon (TOC) analyzers use to oxidize and detect the organic carbon may be combustion, UV persulfate oxidation, ozone promoted, or UV fluorescence. With the combustion method, analysis is determined when carbon compounds are combusted in an oxygen-rich environment, resulting in the complete conversion of carbon-to-carbon dioxide. In UV persulfate oxidation, the carbon dioxide is purged from the sample and then detected by a detector calibrated to directly display the mass of carbon dioxide measured. This mass is proportional to the mass of analyte in the sample. Persulfate reacts with organic carbon in the sample at 100 degrees Celsius to form carbon dioxide that is purged from the sample and detected. The ozone-promoted method for total organic carbon (TOC) analyzers oxidizes the carbon by exposing it to ozone. UV fluorescence is a direct measurement of aromatic hydrocarbons in water. Fluorescence occurs when a molecule absorbs an "excitation" energy of one wavelength to be measured as concentration of the hydrocarbon. This may also be referred to as spectrophotometry or colorimetry.
More >>Other Topics You Might Be Interested In
-
Total Organic Carbon (TOC) Analyzers
The following application notes are available as pdf (Adobe Acrobat) documents. If you would like to download a free copy of Adobe Acrobat Reader, click here....(read more)
-
Simplifying the Process: Automated USP 643 / EP 2.2.44 Purified Water and Water For Injection Testing Using A Next Generation Total Organic Carbon (TOC) Analyzer (.pdf)
The United States Pharmacopoeia (USP) <643> and European Pharmacopoeia (EP) 2.2. 44 monographs provide guidelines and requirements for Total Organic Carbon (TOC) analysis of water for injection and...(read more)
-
Simplifying the Process: Automated USP 643 / EP 2.2.44 Purified Water and Water For Injection Testing Using A Next Generation Total Organic Carbon (TOC) Analyzer (.pdf)
The United States Pharmacopoeia (USP) <643> and European Pharmacopoeia (EP) 2.2. 44 monographs provide guidelines and requirements for Total Organic Carbon (TOC) analysis of water for injection and...(read more)
Engineering Web: Total Organic Carbon TOC Analyzers
Pages: 1 - 3 of 137
|
550 TOC Total Organic Carbon Analyzer - METTLER TOLEDO -... You are here: Home > Find Products & Solutions > Process Analytics > TOC / Total Organic Carbon Instruments > 550 TOC Total Organic Carbon Analyzer See Mettler-Toledo Thornton Inc. Profile & Catalog |
|
|
WK11898 New Practice for On-line Total Organic Carbon (TOC)... Work Item: ASTM WK11898 - New Practice for On-line Total Organic Carbon (TOC) Method Validation in Pharmaceutical Waters See ASTM International Information |
|
|
Automated chemistry analyzers for laboratories - Skalar Total Organic Carbon Vitamin Soil, Plant and Fertilizer See Skalar Information |
