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Old Sep 18th 2018, 05:59 AM   #1
rayR
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Material compability with dsinfectant solution

Hi,
I have a question that i need help with please with my study.
I am doing some material compatibility work with chlorine solution disinfectant.
I have immersed the various materials (polymers, rubbers, metal) test specimens in the chlorine solution for 30 hours. I have weighed the test pieces before and after immersion and also measured thickness of them via micrometer. some materials have taken on weigh and absorb some of the liquid, even after drying in the oven. The thickness hasn't changed.
Would you know what tolerance or specification i could apply to the weight of specimens for this study. I was thinking 0.1% but i have no scientific back up for this and it is really difficult to find anything in online searches.
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Old Sep 18th 2018, 08:51 AM   #2
Woody
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It all depends

It rather depends on the application the material is to be put to.

Also is the material just absorbing chlorine,
or is it reacting with the chlorine (effectively giving you a new material)

Does a control sample, immersed in distilled water for 30 hours absorb similarly or is it just when immersed the chlorine solution.

If it is absorbing chlorine,
under what circumstances will it release the absorbed chlorine?

If a sample, after absorbing chlorine, is soaked in distilled water,
does the PH of the water change (indicating Chlorine is being released).

Chlorine is pungent, can you smell it on the sample?
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