![]() Titer has the same origin as the word "title", from the French word titre, meaning "title" but referring to the documented purity of a substance, often gold or silver. Second, in textile engineering, titre is also a synonym for linear density. This is to compensate for possible degradation of the titrant solution. a titer of 0.5 would require 1/0.5 = 2 times more titrant than nominal. In titration, the titer is the ratio of actual to nominal concentration of a titrant, e.g. The term also has two other, conflicting meanings. Titres are sometimes expressed by the denominator only, for example 1:256 is written 256. For example, positive readings in the first 8 serial, twofold dilutions translate into a titer of 1:256 (i.e., 2 −8). The titre corresponds to the highest dilution factor that still yields a positive reading. Titer testing employs serial dilution to obtain approximate quantitative information from an analytical procedure that inherently only evaluates as positive or negative. Titer ( American English) or titre ( British English) is a way of expressing concentration.
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