From owner-biophysics@net.bio.net Thu May 07 23:00:00 1998 Path: biosci!news.Stanford.EDU!Cabal.CESspool!bofh.vszbr.cz!howland.erols.net!woodstock.news.demon.net!demon!news.demon.co.uk!demon!revealer.demon.co.uk!std From: std@revealer.demon.co.uk (Simon Dobbs) Newsgroups: bionet.biophysics Subject: Re: cuvette question Date: Fri, 8 May 1998 21:54:59 +0100 Organization: Dobbs Research Message-ID: <1d8qcsw.1v39nmuq9r63sN@revealer.demon.co.uk> References: <6ivft6$4g4$1@pale-rider.INS.CWRU.Edu> <6ivgp8$lcr$1@fremont.ohsu.edu> NNTP-Posting-Host: revealer.demon.co.uk X-NNTP-Posting-Host: revealer.demon.co.uk:158.152.19.25 X-Trace: news.demon.co.uk 894660843 nnrp-11:23731 NO-IDENT revealer.demon.co.uk:158.152.19.25 X-Complaints-To: abuse@demon.net X-Face: //I=zIlCQ@.dAHTE`{x6jLH&!2foM.)w(=vxMCC[,[_[}{Cztc=s~G%a~dZgs BBt0[9o9AljKm%g8"`>gdUQcni)nz~?ifCh^?0g X-Newsreader: MacSOUP 2.3.2 Lines: 20 Matt Jones wrote: > In article <6ivft6$4g4$1@pale-rider.INS.CWRU.Edu> James J. Campanella, > jjc4@po.CWRU.Edu writes: > >But, can you use quartz > >cuvettes in looking at the white light absorbance of something > >in a spec? In other words, does a lab need both a set of glass > >AND quartz cuvettes? I have not been able to come up with a good > >reason why not. Any comments? > > Well, I could be wrong but it seems that if you hold a quartz cuvette up > to the light and look through it, and it doesn't change the color of the > light, then it ought to work for any visible light (at least within the > limits of what your eyes can detect, which is probably pretty good). > > Cheers, > > Matt Jones or simply run a cuvette alone against air in your spec, that should be definitive, within the limits of your spec's performance. .