Dec 1, 2008 21:19
15 yrs ago
6 viewers *
Spanish term

p/p

Spanish to English Science Medical: Pharmaceuticals
In a list of specifications for a pharmaceutical product:

ENSAYO (98,0 - 101,0% p/p):
CONTENIDO DE CALCIO (8,2 - 8,6% p/p)

Any idea what p/p is? Does is stay the same in English?

Thanks,
Alan

Proposed translations

+3
5 mins
Selected

w/w weight by weight

standard usage

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Note added at 8 mins (2008-12-01 21:28:41 GMT)
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As opposed to w/v or v/v (volume)
Peer comment(s):

agree Jorge Arteaga M.D.
5 mins
Thanks
agree Adam Burman : Yes, w/w or weight per weight
1 hr
Thanks but not 'per'. I've never seen that used.
agree Dr. Andrew Frankland
12 hrs
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4 KudoZ points awarded for this answer. Comment: "Selected automatically based on peer agreement."
3 mins

w/w (weight in weight)

el porcentage en este caso se refiere como "peso por peso"
:-)

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Note added at 4 Min. (2008-12-01 21:24:46 GMT)
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perdón..."porcentaje"... ;-)

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Note added at 8 Min. (2008-12-01 21:28:39 GMT)
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http://es.wikipedia.org/wiki/P/p
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3 hrs

per part

por parte = per part = parts per measurement
units of measurement mainly used for liquids. It mentions ensayo (test tubes) and percentages, so it reminds me of my old chemistry classes.
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10 hrs

w/w- weight to weight ratio

is how I was taught (admittedly, a long time ago)

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Note added at 13 hrs (2008-12-02 10:26:21 GMT)
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All concentrations are weight-to-weight (mg of base fluid to kg of dry. control sediment). Sediment and base fluid mixing shall be accomplished by using the ...
yosemite.epa.gov/r10/water.nsf/95537302e2c56cea8825688200708c9a/.../$FILE/AKG280000%20Attachment%205.pdf

The MSDS HyperGlossary: Concentration Units - [ Traducir esta página ]11 Sep 2008 ... To avoid confusion whether a solution is percent by weight or percent by volume, the symbol "w/w" (for weight to weight) is often used after ...
www.ilpi.com/msds/ref/concentration.html - 19k

We only allow for a %w/w (percent of weight to weight). ... We recommend using only a 30%, or greater, weight to weight solution. ...
www.thesage.com/calcs/entercalc.html - 15k

For precision, or if non-metric units are used, the solutions must be measured in a weight to weight ratio. A solution of a given percent is measured as the ratio of the weight of the dissolved material to the weight of the total (solution plus dissolved material.) The dissolved material is called the solute; the solute is dissolved in a solvent
http://www.nps.gov/history/museum/publications/conserveogram...
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1 day 1 hr

w/w

Just w/w.
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