apsolutna metoda

apsolutna metoda

A method of chemical analysis that bases characterization completely on standards defined in terms of physical properties.

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Loại từ: noun
Từ đồng nghĩa:
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Ngành nghề/Lĩnh vực: Chemistry
Category: Analytical chemistry
Company: McGraw-Hill
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apsolutna temperatura

Chemistry; General chemistry

Temperature measured on a scale that sets absolute zero as zero. In the SI system, the kelvin scale is used to measure absolute temperature.

apsolutna nula

Chemistry; General chemistry

The temperature at which the volume of an ideal gas becomes zero; a theoretical coldest temperature that can be approached but never reached. Absolute zero is zero on the Kelvin ...

apsolutna greška

Chemistry; General chemistry

The uncertainty in a measurement, expressed with appropriate units. For example, if three replicate weights for an object are 1.00 g, 1.05 g, and 0.95 g, the absolute error can be ...

apsolutna temperatura

Astronomy; General astronomy

Temperature measured on the Kelvin scale: 0 Kelvin = -273.15 degree Celsius. Absolute temperature is directly related to (kinetic) energy via the equation E = kBT, where kB is ...

apsolutna nula

Astronomy; General astronomy

The lowest possible temperature, attained when a system is at its minimum possible energy. The Kelvin temperature scale sets its zero point at absolute zero (-273.15 degree on the ...

determinacija

Chemistry; Analytical chemistry

The finding of the value of a chemical or physical property of a compound, such as reaction-rate determination or specific-gravity determination.

apsolutni detekcioni limit

Chemistry; Analytical chemistry

The smallest amount of an element or compound that is detectable in or on a given sample; expressed in terms of mass units or numbers of atoms or molecules.

širina pika

Chemistry; Analytical chemistry

In a gas chromatogram (plot of eluent rise and fall versus time), the width of the base (time duration) of a symmetrical peak (rise and fall) of eluent.

apsorpciometar

Chemistry; Analytical chemistry

1. An instrument equipped with a filter system or other simple dispersing system to measure the absorption of nearly monochromatic radiation in the visible range by a gas or a ...

apsorpciometrijska analiza

Chemistry; Analytical chemistry

Chemical analysis of a gas or a liquid by measurement of the peak electromagnetic absorption wavelengths that are unique to a specific material or element.

particioni koeficijent

Chemistry; Analytical chemistry

In the equilibrium distribution of a solute between two liquid phases, the constant ratio of the solute’s concentration in the upper phase to its concentration in the lower phase. ...