Paul Sutton

Aluminium

Potential Ozone Depletion From Satellite Demise

Potential Ozone Depletion From Satellite Demise During Atmospheric Reentry in the Era of Mega-Constellations

Interesting paper that was published in Geophysical research letters looking at potential damage to the Ozone layer from Satellites re-entering the Earths atmosphere and burning up. The specific issue seems to be related to the Aluminium Oxidizing, and then this travels down to the Ozone layer and causes a chemical reaction.

Give the number of Satellites in orbit and the importance of the Already fragile Ozone layer, this is not good news.

You can read the research here

There is a Fediverse discussion here that is quite interesting, I have also started a Science Forums discussion

Tags

#Science,#Space,#Satellite,#ReEntry,#Aluminium,#AlumiumOxide, #Ozone,#Damage,#Research

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Home Chemistry 8 – Reactions of metals with White Vinegar

So to continue this investigation further, I am adding Aluminium foil to White Vinegar and will also add Aluminium foil to Citric Acid and compare what happens.

metals plus acid reaction

Initial thoughts are that the reaction with White Vinegar is much slower, which is expected when you compare where the two metals being tested are on the Electrochemical series.

Link

Tags

#Chemistry,#HomeChemistry8,#Aluminium,#WhiteVinegar

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