Glossary entry

German term or phrase:

Verbrauchskoeffizient

English translation:

consumption coefficient

Added to glossary by AgriTech
Jun 30, 2010 08:24
14 yrs ago
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German term

Verbrauchskoeffizient

German to English Tech/Engineering Chemistry; Chem Sci/Eng titration curve analysis
Die ermittelten Verbrauchskoeffizienten sind nur fur die spezielle Mischungszusammensetzung und Probenmatrix der genannten Produkte unter den vorgegebenen Analysenbedingung gultig.

Verbrauchskoeffizient:

m(C) + m(D)
V(C/D) = _________________________[mg/mL 1 N HC1]
Verbrauch pH 3.5 - Verbrauch pH 7.5

C und D sind chemische Substanzen...


Unfortunately, I do not have more context to offer... the text is an SOP for the determination of active substances through titration curve analysis...

Can anyone help here? I found "usage coefficient" or "depletion coefficient", but no good references relating to titration...
Proposed translations (English)
3 +1 consumption coefficient
3 consumption ratio

Discussion

Mack Tillman (X) Jun 30, 2010:
Heat I guess the heat gets to everyone at some stage. But you know, that's what the community is here for: to help out when things heat up. ;-)
AgriTech (asker) Jun 30, 2010:
Geez... you are so right about the math, this heat is making my brain melt... :oS
Margot: That's what I ended up doing, it's just that there are hardly any Google hits for "consumption coefficient" + titration ... :o(
Mack Tillman (X) Jun 30, 2010:
See same wikipedia entry Well if you take a look at your wikipedia entry you will come across Item Nr. 2 referring "Examples of physical coefficients".
Item 2 states: Partition Coefficient (KD) (chemistry) - The ratio of concentrations of a compound in two phases of a mixture of two immiscible solvents at equilibrium.

Now when you go back to math basics, a ratio (2:3) can also be expressed as a fraction (2/5). And a fraction can be used as a multiplicative multiplier in a term. So what else is a coefficient, but a multiplicative factor.
I'm no mathematician, but I have a feeling that might just do.
I'm grateful for any help from chemists or mathematicians.
Hope it helps you.
AgriTech (asker) Jun 30, 2010:
Consumption ratio? I meanwhile also think that "consumption" is the work I'm loking for for "Verbrauch", but is "ratio" really equivalent to "coefficient"?
A ratio is a division, and a coefficient is a multiplication factor...
http://en.wikipedia.org/wiki/Coefficient

Proposed translations

+1
8 hrs
Selected

consumption coefficient

I have looked at the other comments. I think that "consumption" is the correct term for "Vebrauchs-" but would suggest that the latter is simply translated as "coefficient" instead of ratio. Without more of the text it is impossible to know for sure.
Peer comment(s):

agree zwetschge
2 hrs
Something went wrong...
4 KudoZ points awarded for this answer. Comment: "Thanks again, Margot... :o)"
1 hr

consumption ratio

My understanding is that you want to express the usage of a certain substance in comparison to another substance. IMO depletion surely does not fit here. Ration did not cross my mind at the beginning, because I was concentrating on coefficient for "Koeffizient". But when you google consumption coefficient together with titration and chemical you'll have about 30 hits. If you google +"consumption ratio" +titration, you'll hit about 100 times the amount.
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