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Definitely worth the money. They work good. Though they aren't perfect. Great for dehydrating alcohol and other solvents. After activating and put in impure solvent, the solution heated up by about 30°f. After 2 uses, we were able to use them to bring the concentration of an ethanol solution from 90% to 100%. Though they don't compare to sigma brand. I don't think that anyone can though. In all, I give them 4/5⭐. Worth the buy, I recommend them, just not the best in the world.
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Not 3A, Absorbs more methanol then water. Cannot be used to dry nonpolar solvents.
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Love it
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Good product
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Low quality with higher pore size variability. Useless
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