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The total dead time of a detection system is usually due to the contributions of the intrinsic dead time of the detector (for example the ion drift time in a gaseous ionization detector), of the analog front end (for example the shaping time of a spectroscopy amplifier) and of the data acquisition (the conversion time of the analog-to-digital converters and the readout and storage times).
Natural Selection – A mod in which two teams (humans and aliens) fight against each other. Its utilizes a mixture of first-person shooter and real-time strategy gameplay. It gained a standalone successor, Natural Selection 2. The Ship – Set on a 1920s recreational cruise ship. Each player is assigned a quarry, and the object is to murder ...
The player is tasked to repair a teleportation device. The mod is set in between the events of Portal and Portal 2. [14] [15] Portal Stories: Mel - A mod build on Portal 2, in which the player controls Mel, a female test subject who is named after a character that Valve had originally designed for Portal 2 ' s cooperative mode.
The use of micelles in high performance liquid chromatography was first introduced by Armstrong and Henry in 1980. [2] [3] The technique is used mainly to enhance retention and selectivity of various solutes that would otherwise be inseparable or poorly resolved.
An evaporative light scattering detector (ELSD) is a destructive chromatography detector, used in conjunction with high-performance liquid chromatography (HPLC), [1] ultra high-performance liquid chromatography (UHPLC), [2] purification liquid chromatography such as flash or preparative chromatography (using a splitter), countercurrent or ...
Silica gel particles are commonly used as a stationary phase in high-performance liquid chromatography (HPLC) for several reasons, [13] [14] including: High surface area: Silica gel particles have a high surface area, allowing direct interactions with solutes or after bonding of variety of ligands for versatile interactions with the sample molecules, leading to better separations.
Example chromatogram showing signal as a function of retention time. In chromatography, resolution is a measure of the separation of two peaks of different retention time t in a chromatogram. [1] [2] [3] [4]
The time it takes for the solution to travel from the mixing point to the observation point is referred to as the "dead time." The minimum injection volume depends on the size of the mixing cell. Once enough solution has been injected to completely replace the previous one, the system reaches a stationary state, and the flow is stopped.