Questions tagged [gel]
A gel is a semi-solid that can have properties ranging from soft and weak to hard and tough. Gels are defined as a substantially dilute cross-linked system, which exhibits no flow when in the steady-state.
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What is this gel byproduct of acetylsalicylic acid recrystallization?
I did a very simple acetylsalicylic acid synthesis from salicylic acid and acetic anhydride (with phosphoric acid as a catalyst). After rinsing, filtering and drying the product I dissolved it in ...
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Can Seaweed Be a Thermoplastic?
I was on the Internet, and I saw this post. This post shows a photo of thermoplastic seaweed, which I thought was impossible. `
BTW, if you're wondering what the difference is between a thermoset and ...
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Why is a triangular cavity created during wire-cutting of an organic gel?
I conduct wire-cutting on a gel made with organic oil. When I use high cutting rates, the wire cuts the gel in half leaving two smooth cutting surfaces. In contrast, when I use a very low cutting rate,...
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Does pH affect physical property of agarose and poly(acrylamide) gel?
We want to change pH in hydrogels of agarose and poly(acrylamide) by soaking into an acidic solution after gelation on pH 7.0.
Then, the physical property is changed? Now, we consider the condition ...
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Silica gel reheating (orange)
I am a non-chemist looking for some advice! I am an archaeologist and am currently using moisture-indicating silica gel (orange) to dry out some metal finds from our excavations. I have reheated ...