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  2. Dilution ratio - Wikipedia

    en.wikipedia.org/wiki/Dilution_ratio

    Dilution factor is a notation often used in commercial assays. For example, in solution with a 1/5 dilution factor (which may be abbreviated as x5 dilution ), entails combining 1 unit volume of solute (the material to be diluted) with (approximately) 4 unit volumes of the solvent to give 5 units of total volume.

  3. Homeopathic dilutions - Wikipedia

    en.wikipedia.org/wiki/Homeopathic_dilutions

    Three main logarithmic dilution scales are in regular use in homeopathy. Hahnemann created the "centesimal" or "C scale", diluting a substance by a factor of 100 at each stage. There is also a decimal dilution scale (notated as "X" or "D") in which the preparation is diluted by a factor of 10 at each stage. [9]

  4. Serial dilution - Wikipedia

    en.wikipedia.org/wiki/Serial_dilution

    A serial dilution is the step-wise dilution of a substance in solution, either by using a constant dilution factor, or by using a variable factor between dilutions. If the dilution factor at each step is constant, this results in a geometric progression of the concentration in a logarithmic fashion. A ten-fold serial dilution could be 1 M, 0.1 ...

  5. Dilution (equation) - Wikipedia

    en.wikipedia.org/wiki/Dilution_(equation)

    Dilution is the process of decreasing the concentration of a solute in a solution, usually simply by mixing with more solvent like adding more water to the solution. To dilute a solution means to add more solvent without the addition of more solute.

  6. Titer - Wikipedia

    en.wikipedia.org/wiki/Titer

    The term also has two other, conflicting meanings. In titration, the titer is the ratio of actual to nominal concentration of a titrant, e.g. a titer of 0.5 would require 1/0.5 = 2 times more titrant than nominal. This is to compensate for possible degradation of the titrant solution.

  7. Standard addition - Wikipedia

    en.wikipedia.org/wiki/Standard_addition

    The dilution factor is multiplied by this initial concentration to determine the original concentration. Matrix effects occur even with methods such as plasma spectrometry , which have a reputation for being relatively free from interferences.

  8. Trump still hasn’t signed ethics agreement required for ...

    www.aol.com/news/trump-still-hasn-t-signed...

    President-elect Donald Trump has not yet submitted a series of transition agreements with the Biden administration, in part because of concerns over the mandatory ethics pledge vowing to avoid ...

  9. Assimilative capacity - Wikipedia

    en.wikipedia.org/wiki/Assimilative_capacity

    Dilution is the main way that bodies of water reduce the concentration of contaminants to levels under their assimilative capacity. [1] This means that body of water that move rapidly or have a large volume of water will have larger assimilative capacities then a slow-moving stream.