[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Sera iron test

To: Aquatic-Plants at actwin_com
Subject: Sera iron test
From: Dave Gomberg <gomberg at wcf_com>
Date: Fri, 16 Apr 1999 13:47:46 -0700
In-Reply-To: <199904161948.PAA06281 at acme_actwin.com>

At 03:48 PM 4/16/99 -0400, Paul Sears wrote:
>What you need is a _path_ length 2.5 times as long for the light
>passing through the liquid.  Using more water won't help unless you lengthen
>the light path.  

Which is why I recommend putting 25ml, not 5, in the cylindrical sample tube,
then observing down thru the top as the directions imply.

--
Dave Gomberg, San Francisco            mailto:gomberg at wcf_com
http://www.wcf.com/co2iron
-----------------------------------------------------------------

Prev by Date: Pablo Tepoot's book and your Page
Next by Date: is it Lobelia Cardinalis ?
Prev by thread: Pablo Tepoot's book and your Page
Next by thread: is it Lobelia Cardinalis ?
Index(es):
- Date
- Thread