On 10 Sep 1998 09:45:12 -0700, jensendp at jmu.edu ("Jensen, Douglas
Paige") wrote:
>Hello All,
>> I have inherited crystalline phloroglucinol stain,
>and I'm looking for a recipe to mix it up.
> In the past, I have purchased it in solution, and
>used it with HCl (I think 50%) on the specimen.
>>thanks,
>Doug
>>-----
>Douglas P. Jensen
>Department of Biology
>MSC 7801
>James Madison University
>Harrisonburg VA 22807
>phone: (540)568-3343
>jensendp at jmu.edu>>OK, the recipe I have is as follows:
Phloroglucinol, solid: 2g
Methanol, 100%: 100mL
HCl, Conc.: 100mL
Water, Distilled: 100mL
Store in cool, dark place, in wrapped amber bottle
Shelf life 2 to 12 months
Used to identify mechanical pulps (paper fibers)
Hope this helps
tm37 at ipst dot edu
Institute of Paper Science and Technology
By the way: if my memory serves me, phloroglucinol may be
carcinogenic, or some other bio-nasty (not that methanol is good to
drink, as well). You may want to hunt up a recent MSDS.