Al2O3

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Vupatrick
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Joined: Mon Nov 09, 2015 3:34 pm
Location: Rouyn-Noranda

Al2O3

Post by Vupatrick »

Y a-t-il quelqu'un qui peut m'aider ?

Dans une roche, j'ai trouvé 8,45 % de CO2. Comment puis-je trouver la concentration de C en % ou en ppm ?
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