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1 answer
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How can I choose the right solvent to remove pigment from cotton

I’m trying to figure out how I might be able to dissolve a pigment without destroying the substrate(cotton, very thin). I don’t know the exact pigment, so it’s a guessing game. It is violet, I suspect ...
Pol's user avatar
  • 11
2 votes
0 answers
1k views

What would be a safe/good surfactant for ultrasonic cleaning vinyl records + distilled water and isopropyl alcohol

Title pretty much says it all besides the type of records I believe are pvc (60s - current, someone correct me if there may be other materials but I absolutely don't have any shellac records) and I ...
Tim's user avatar
  • 21
1 vote
0 answers
962 views

Understanding observations of dissolving surfactants in methanol, water and hexane combinations

I added various solvents to a shower gel product to see what would happen. The main surfactant ingredients in it are Methyl Gluceth 20, Sodium Laureth Sulfate, and Lauryl Glucoside. First I diluted ...
k--'s user avatar
  • 997