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Colin Krusor (ckrusor) - BPL Premium Member
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All Forum Posts by Colin Krusor
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Sheath Thanks for all of the compliments. Javan, I layed this up by saturating four small square pieces of carbon cloth (3k 4H satin) with epoxy, stacking them, driving out bubbles with a roller, then... |
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Recipe Yes, I'd like to know how you made your own. I tried it and it didn't work very well. No amount of mixing keeps the dimethicone and petrolatum from separating. The modified starch stays mix... |
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Test I have access to these beads because I already use them for my research. Testing a filter doesn't use very many, and there are tens of millions in a small bottle, but the bottle costs something... |
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Testing I have tested filters (including a Sawyer Squeeze) in my lab by filtering water spiked with fluorescent microbeads (red ones 2.8 microns in diameter and green ones 6 microns in diameter) then looki... |
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Filter Jama's result doesn't make sense to me. I don't see how a filter of this kind could retain a soluble dye. So I had to do my own test. I have only used my Sawyer filter once, in summer, ... |
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Dye No, the size of a molecule is not related to wavelength absorbed. I was a chemistry major in college until I changed over to a double major in microbiology and molecular biology with a chemistry mi... |
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Molecules Jerry, that is emphatically not the meaning of that. That is a wavelength of light absorbed by the dye. It has nothing to do with the size of the molecule. Molecules are not things that you cou... |
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Filter FD&C Red 40 is 2-naphthalenesulfonic acid: It is a small and simple organic molecule. A typical protein is far larger than this, and it takes trillions of proteins to make a mycobacteria... |
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Carbon fiber sheath for knife I received a Fallkniven WM1 (blade only) as a birthday gift this year, and described my modifications to it in this thread: http://www.backpackinglight.com/cgi-bin/backpackinglight/forums/thread... |
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Glue Yes, the thermarest glue I've used was urethane, not silicone. Did the glue package instruct your girlfriend to heat it before applying it? If so, it is the TPU Thermarest valve glue, and you c... |
All Reader Reviews by Colin Krusor
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