Has anyone studied the kinetics of microplastic degradation? If so, the change over time in which parameter was observed?
You can use the langmuir-hinshelwood model,the ploting of ln(ct/c0) in fonction of time.
From the equation of plot you can determine thee rate constant and t1/2
I know this basic equation, but in the case of plastic particles, what physical quantity should I observe over time (change in the average volume of particles, change in mass, crystallinity index, etc.)?
Okay you can study the percentage of reduction of volume particule and study the carbonyl index with time
Can you provide a literature reference regarding the use of changes over time in the parameters you mentioned, such as the degradation rate of plastics?
Be aware - "plastic" may be composed of up to 50% binder and plasticizer. Observing "degradation" as a physical process will largely be driven by disaggregation to small/micro particles of largely undegraded polymer as binder/plasticizer are metabolized. Dynamics of disaggregation of particles vs. mineralization need to be established to answer your question.
No equation is useful if the exp. parameters are not validated.
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