Cleaning Quartz Cuvettes

edwardm at edwardm at
Fri Aug 23 17:06:33 EST 1996

In article <321CE42D.3FCC at>,
billing at wrote:

> I have inherited a pair of quartz cuvettes that are partially coated 
> with a slightly opaque film.  I have tried soaking them in detergent 
> (Alconox) for several hours - the film is still there.  I will soak them 
> overnight as well, but I am not hopeful.  Does anyone know what I can 
> soak the cuvettes in that will a) clean them and b) not damage them.  
> How about acetone?
> Steve

We have found that soaking the cuvettes overnight in nitric acid and then
rinsing extensively with very clean ewater cleans up any left over gunk
very well.

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