[Nhcoll-l] Test for formalin

[Steve Halford]

I routinely made up and used Rob's test strips and supplied them to OHS
too.  They worked well except for a rather short shelf life.  I believe
they were commercially available at one time -- possibly through University
Products?
Steve.

Steve Halford (halford at sfu.ca)
Museum Technician (Retired)
Department of Biological Sciences
Simon Fraser University


On Wed, Aug 30, 2017 at 1:23 PM, Sadie Mills <Sadie.Mills at niwa.co.nz> wrote:

> Hi Erling and NHColl list,
>
>
>
> A very simple hack for this that we have been using in the NIWA
> Invertebrate Collection is to cut up some scrap Resistall label paper
> strips and put a simple stripe of sharpie permanent marker on it. Dip the
> strip into the solution, and if it runs you’ve got alcohol, if it doesn’t
> run you’ve got formalin.
>
>
>
> Simple, but very cheap and effective!
>
>
>
> Cheers,
>
> Sadie
>
>
>
> Sadie Mills
> Marine Biology Technician
> Collections Manager
> +64-4-386-0464 <+64%204-386%200464> | 301 Evans Bay Parade, Greta Point,
> Wellington | www.niwa.co.nz
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> *From:* nhcoll-l-bounces at mailman.yale.edu [mailto:nhcoll-l-bounces@
> mailman.yale.edu] *On Behalf Of *Erling Holm
> *Sent:* Thursday, 31 August 2017 7:51 AM
> *To:* NHCOLL <nhcoll-l at mailman.yale.edu>
> *Cc:* Mary Burridge <maryb at rom.on.ca>; Sarah Steele <
> sarah.steele at mail.utoronto.ca>; Brenna Wells <brennaw at rom.on.ca>
> *Subject:* [Nhcoll-l] Test for formalin
>
>
>
> Is there a quick test to determine if a fluid is formalin vs. ethanol
> other than the "sniff" test? Are the QUANTOFIX® Formaldehyde strips, which
> test for formalin up to 200 ppm, useful for determining solutions of 5-10%
>  formalin?
>
>
>
> Erling Holm
>
> Department of Natural History (Ichthyology)
>
> Royal Ontario Museum
>
> 100 Queens Park
>
> Toronto, ON
>
> M5S 2C6
>
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> Email: erlingh at rom.on.ca
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