Re: Cleaning mirrors

David Beach (D.Beach@irl.cri.nz)
Fri, 7 Apr 1995 07:38:19 +1200

Just a note on this subject. I have had unfailing success with a final >>> swill of 100% isopropyl alcohol *ANALAR quality*. Anything less than that
>>> runs the risk of water/other contaminants.
>>>
>It is not necessary to use ANALAR grade; REAGENT grade is the same quality.
>The difference is that ANALAR publishes a high accuracy analysis of the
>contamination that is left; reagent grade doesn't. Same chemical from
>the same pipe; costs less if you don't need the precise analysis.
that stuff (has it really been 20 years ago???) >
>Rich Klappal
>klappal@xnet.com

Agreed, Rich. We have ANALAR as a matter of course, so I use that. I'm sure that REAGENT grade will be equally effective.

_______________________________________________________________________________ Science is the lamp which man has himself kindled: it has built him lighthouses on the dark shores of the unknown: but his dreams, his quests for truth, lead him beyond the waters which his little lamp of knowledge illumines; and if he would venture on the farther ocean he must set his course by a star. S. R. Lysaght, "A reading of life". ------------------------------------- David Beach, Scientist, Machine Vision Team, Industrial Research Limited, POBox 2225, Auckland, New Zealand. +64 9 303 4116 (Voice), +64 9 302 8106 (Fax), http://www.irl.cri.nz (Web). ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~