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I've got a project I'm interested in. Essentially its modifying a melamine foam so its thermal conductivity is at least halved. Was thinking some type of buckyball filler in the matrix might be a ticket. However someone pointed out it maybe a worry about how it would affect the cell...

Interested in this because plastic drinking bottles have a taint to them when left out in the sun. I gather its from UV degredation of the PET plastic. I'd like to find a catalyst that would allow the PET byproducts to be non water soluble/sequester or even evaporate.

That did, thank you.

Hi folks, I'm looking for a dye that absorbs strongly around the 490nm range. Sort of a red/orange I guess. I cannot find a lot of data on absorbency by dye manufacturers, will begin emailing them shortly. Key word searches tend to bring up dye absorbency in relation to materials not light...

found something useful, for me at least. 450nm. Where Bilirubin absorbancy peaks. Bilirubin giving urine its hue.

ok :)

going to the uni library to look in their volumes tomorrow morning

That is my plan B. But a spectrophotometer costs 125NZD/hour :(

Preferably I would like to find a UV-VIS absorbance spectra of urine. I have found ones that focus on the deep UV range, and one that had fluorescence peak information. Any help would be appreciated.