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One of the most widely used methods for headspace analysis is described by the United States Environmental Protection Agency (USEPA). Originally developed by the R.S. Kerr USEPA Laboratory in Ada, Oklahoma as a "high quality, defendable, and documented way to measure" methane, ethane, and ethene, [7] [8] RSKSOP-175 is a standard operating procedure (SOP) and an unofficial method employed by ...
An autosampler for liquid or gaseous samples based on a microsyringe Different kinds of autosamplers exist. Autosamplers can be classified in relation to sample capacity (auto-injectors vs. autosamplers, where auto-injectors can work a small number of samples), to robotic technologies (XYZ robot [ 11 ] vs. rotating robot – the most common ...
A vial can be tubular, or have a bottle-like shape with a neck. The volume defined by the neck is known as the headspace. The English word "vial" is derived from the Greek phiale, [2] meaning "a broad flat container". [3] Comparable terms include the Latin phiala, Late Latin fiola and Middle English fiole and viole.
An autosampler is commonly a device that is coupled to an analytical instrument providing samples periodically for analysis. [1] An autosampler can also be understood as a device that collects samples periodically from a large sample source, like the atmosphere or a lake, for example.
Headspace or ullage, the unfilled space in a container; Headspace technology, the gaseous constituents of a closed space above liquids or solid emitting and vapors measured using headspace gas chromatography; Headspace (firearms), a chamber measurement; Headroom (photographic framing), a concept of aesthetic composition in imaging
Headspace technology is a technique developed in the 1980s to elucidate the odor compounds present in the air surrounding various objects. Usually the objects of interest are odoriferous objects such as plants, flowers and foods. [ 1 ]
Liam Payne's girlfriend, Kate Cassidy, is opening up about how life for her has changed after his death. In an interview with The Sun published on Wednesday, Feb. 5, Cassidy talked about why she ...
Headspace positioning of rimless, rimmed, belted and straight cartridges Several different rimmed, .22 rimfire cartridges, which have a uniform forward diameter, and which have headspace on the rim, allowing any length of cartridge shorter than the maximum size to be used in the same firearm Firearms chambered for tapered rimmed cartridges like this .303 British cannot safely fire shorter ...