Jan 3, 2014 09:03
10 yrs ago
English term

dilution concerns

English Science Chemistry; Chem Sci/Eng
There is currently no gold-standard invasive or non-invasive method of determining absolute concentrations of ALF non-volatile constituents with which EBC can be readily compared.
For example, bronchoalveolar lavage is subject to its own **dilution concerns**.

I cannot understand about "dilution oncerns."
Please help!

Responses

+4
20 mins
Selected

problems with dilution

The process of bronchoalveolar lavage can dilute the thing(s) they are trying to measure and therefore make the reading inaccurate.


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Note added at 1 hr (2014-01-03 10:43:06 GMT)
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As has been pointed out, if the dilution was constant, you could allow for it but, in this case, it is not constant.
Peer comment(s):

agree Alfredo Tutino : and, to be more specific, the exact ratio of diluition is difficult to extimate and to keep reasonably constant
52 mins
agree Didier Fourcot : I understand "uncertainty on dilution ratio": dilution by itself is not a concern if precisely known
1 hr
agree Veronika McLaren
2 hrs
agree Jörgen Slet
4 hrs
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4 KudoZ points awarded for this answer. Comment: "Thank you very much!! I understand well. "
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