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The image provided is a page from a textbook discussing laboratory techniques, specifically filtration and sterilization. There is no indication of any location in Jalingo, Nigeria, or any real-world scene. The image contains an illustration of a Seitz filter assembly, used for filtration. It depicts components like an asbestos filter pad, a perforated metal diaphragm, a stainless steel funnel, a glass flask, and a filtrate. Text labels explain the function of each part and the process. Additionally, the page includes text sections titled "Sterilisation 553," "7. Air Filter," and "6. Membrane Filters." The "Air Filter" section explains how air is filtered to remove microorganisms using High Efficiency Particle Arrester (HEPA) filters. The "Membrane Filters" section details the composition and advantages of membrane filters, such as their toughness when wet, inability to remove charged molecules, disposability, and accurate pore size grading. A "Note" at the bottom mentions the use of membrane filters for bacterial counts. There is also a section on "CHEMICAL STERILISATION (DISINFECTANTS AND ANTISEPTICS)," which discusses the effectiveness of chemical agents in killing microorganisms and the factors influencing their action. Finally, a subheading "Mode of Action of Chemical Agents" introduces how these agents work. The overall scene is that of printed educational material.
Symbol
06681
Volume
11,550
Creator
+$0.03
Revenue
+$0.04
TVL
$2.53
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