Re: Waterbaths (& lotsa other simple things)
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From: | "J. A. Kiernan" <jkiernan@julian.uwo.ca> |
To: | Histonet Mailing List <histonet@Pathology.swmed.edu> |
Reply-To: | |
Date: | Wed, 19 May 1999 10:45:03 -0400 (EDT) |
Content-Type: | TEXT/PLAIN; charset=US-ASCII |
On Tue, 18 May 1999, Jim Staruk wrote:
> Yes, a GE skillet from Wal-Mart. Costs about $19.00 and keeps a perfect 42
> degree C temperature year after year!
This kind of common sense approach needs to be much more
widely publicized. Scientific supply houses might then
have to bring down some of their ridiculously high prices
for simple devices and chemicals.
The domestic equipment is often better too. An electric
heater intended for a saucepan is at least 10 times as
fast as a cube with a glossy white top, and if you need
to heat some distilled water why not buy the most expensive
stainless steel kettle in the shop, and have a litre
boiled in 3 or 4 minutes?
Have you noticed how expensive aluminium potassium sulphate
has become in recent years? Alum from a bulk-barrel store
in the local mall is about one fiftieth the price. No, it's
not reagent grade (though its clean crystals look just the
same), and it certainly works just as well for making up
alum-haematoxylin solutions.
Vendors of scientific apparatus and chemicals are essential
and we couldn't do our work without them, but they do charge
far too much for some of their products, and with a bit (or,
preferably, a lot) of thought it is possible for us to avoid
being overcharged. It's always easier to buy from the lab
vendor, especially when (as is almost always the case) the
payment is made by an employer or a granting agency.
John Kiernan
London, Canada.
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