Page 2 - MAP-100
P. 2

MAP-100                                                                                                              Operation of the Automatic                   Over ow pipe                       Collection  lter
                                                                                                                                         Preparation Device

                                                                                                                                         The sample collected from the environmental surface water is
                     Microplastic Automatic Preparation Device                                                                           placed inside the reaction vessel in the automatic preparation
                                                                                                                                         device. The control software is used to con gure the conditions
                                                                                                                                         for each preparation step via digestion, separation, and   Reaction vessel
                     This automatic preparation device isolates microplastics                                                            over ow. When the preparation process is started, the
                     contained in environmental surface water.                                                                           microplastics are automatically collected through the processes
                                                                                                                                         of (1) Digestion, (2) Separation and (3) Filtration as shown below.




                                                                                                                                          Automated      1 Digestion process  Digestion of organic compounds via an hydrogen peroxide solution.
                                                                                                                                          preparation    2 Separation process  Density separation via an sodium iodide solution.
                                                                                                                                          steps
                                                                                                                                                         3 Filtration process  The supernatant  uid discharged by the over ow is  ltered out
                                                                                                                                                                             by the collection  lter.



                                                                                                                                         Sample injection  1  Digestion  2  Separation  3  Filtration  Automation













                                                                                                                                                                                                             Microplastics discharged
                                                                                                                                                                                                             on the collection  lter
                                                                                                                                                       Hydrogen       Sodium
                                                                                                                                                     peroxide solution  iodide solution
                                                                                                                                           Organic        Inorganic      Microplastics  Note: This  gure is a schematic overview of the preparation process.
                                                                                                                                           contaminants   contaminants               The reaction behavior will differ depending on the type or amount of contaminants.
                     The presence of microplastics in environmental surface water such as oceans, rivers, and lakes has attracted
                     international attention as an environmental problem, and many monitoring results have been reported.
                     The analysis of microplastics requires multiple steps, including sample collection, digestion and  ltration, and    Simple Control Software
                     qualitative and quantitative (size, number of particles, mass or concentration) analysis.
                     To accurately  analyze  microplastics  in  aqueous  samples,  an  essential  step  is to  isolate the  particles  from  other   The operator con gures the conditions for the automated preparation process in the simple software window.
                     components in the sample. This process normally involves digestion and separation steps.                            The progress during preparation is displayed in a monitoring window, and the estimated completion time can be
                     The MAP-100 automates the typical steps needed to isolate microplastics. This improves the reproducibility of the   checked in the status area. This user-friendly control software simpli es the preparation process.
                     analytical work ow, enables lab technicians to focus on other tasks, and makes handling of reagents safer.


                                                                                                                                           Setting                                                                  Maintenance
                                                                                                                                         The operator can easily con gure                                          The operator can rinse the
                                                                                                                                         the conditions for the digestion,                                          ow lines and check the
                                           Automating the complicated preparation process signi cantly
                           Labor savings                                                                                                 density separation, and over ow                                           sensor status.
                                           reduces the number of man-hours required.                                                     processes.
                                                                                                                                                                                                                      Status
                                                                                                                                           Monitor                                                                 The estimated completion
                                           Manual tasks by the operator are reduced,                                                                                                                               time and the consumption of
                                           enabling highly reproducible preparation.                                                     The progress of each                                                      reagents are shown.
                          Reproducibility                                                                                                preparation step is shown.
                                           This improves accuracy when comparing
                                           data across analysts and laboratories.



                              Safety       Simpli ed handling of reagents by operators.      Product                                                             Note: Tablet PCs that make it easy to secure installation space are recommended.





                                                                                                                                                                                                                           MAP-100
                                                                                                                                                                                                                     Microplastic Automatic Preparation Device
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