Howard et al., Ratios as expressions of pharmaceutical concentration have been pretty much deprecated. Pharmaceutical manufacturers have changed their labeling from the old “1:1000” or “1:10,000” to a clear statement of concentration of grams per milliliter or milligrams per milliliter. The “1:1000” expression meant “one gram per one thousand milliliters.” The old nomenclature was error-prone, and was phased out. Thank goodness.
Interpreting 1:32 as “one gram per thirty-two milliliters,” I could not come up with the 3.125 percent sodium hypochlorite solution predicted by those directions, unless I’m making an error somewhere. >> On May 14, 2020, at 12:02, Ressel, Howard R (DOT) <[email protected]> >> wrote: > > > This is unfortunate and I need to write Clorox but they provide an > information sheet for diluted bleach solution in US Customary and metric but > the metric instructions are terrible. > > “To make a 1:32 solution, add… · 1/3 cup of bleach per gallon of water · 17 > ml of bleach (1 TBSP + ½ TSP) per 32 ounce spray bottle” > > > Howard Ressel > Project Design Engineer > > New York State Department of Transportation > 1530 Jefferson Road, Rochester, NY 14623 > > (585) 371-9280 | [email protected] > > https://nam01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.dot.ny.gov%2F&data=02%7C01%7Cusma%40lists.colostate.edu%7C81abd94c904a46ac833c08d7f85be2e8%7Cafb58802ff7a4bb1ab21367ff2ecfc8b%7C0%7C0%7C637250945839769082&sdata=9gdXzEkEWeS%2BYRUYUhn6wv7ZCzQ%2FctFsMoA2UjshtQw%3D&reserved=0 > > > <image001.jpg> > > The Meter: “For all time, for all peoples” > > Nicolas de Condorcet 1743 – 1794 > > <Guidelines-for-Using-Bleach-updated.pdf> > _______________________________________________ > USMA mailing list > [email protected] > https://lists.colostate.edu/cgi-bin/mailman/listinfo/usma
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