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The detection principle of TOC cleanliness verification swabs is mainly based on the Total Organic Carbon (TOC) analysis technology. The details are as follows:

Class Product news TOC Clean Validation Swab swab10
  1. Sampling and Adsorption: The TOC cleanliness verification swabs are fully brought into contact with the surface to be detected. By taking advantage of the good adsorption performance of the swabs themselves, the swab heads adsorb the organic pollutants on the surface, thus completing the sampling process.
  2. Oxidation Process: The swabs after sampling are placed into a TOC analysis instrument. The instrument will oxidize the total organic carbon in the samples. Common oxidation techniques include photocatalytic oxidation, chemical oxidation and high-temperature combustion. Through these oxidation methods, the organic carbon is converted into carbon dioxide.
  3. Carbon Dioxide Detection: Quantitative detection is carried out on the carbon dioxide generated during the oxidation process. Detection methods include non-dispersive infrared absorption method, conductivity method and so on.
  4. Quantitative Calculation: By utilizing the corresponding relationship between the carbon content of carbon dioxide and total organic carbon, the content of total organic carbon in the samples is calculated based on the detected carbon dioxide content. Then, the content level of organic pollutants on the surface to be detected is obtained, so as to judge whether the cleaning effect meets the relevant standards.
TOC Cleaning Validation Swab
TOC Cleaning Validation Swab
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