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  2. High-performance liquid chromatography - Wikipedia

    en.wikipedia.org/wiki/High-performance_liquid...

    This gives HPLC superior resolving power (the ability to distinguish between compounds) when separating mixtures, which makes it a popular chromatographic technique. [citation needed] The schematic of an HPLC instrument typically includes solvents' reservoirs, one or more pumps, a solvent-degasser, a sampler, a column, and a detector. The ...

  3. File:HPLC apparatus.svg - Wikipedia

    en.wikipedia.org/wiki/File:HPLC_apparatus.svg

    English: Schematic representation of an HPLC unit. (1) Solvent reservoirs, (2) Solvent degasser, (3) Gradient valve, (4) Mixing vessel for delivery of the mobile phase, (5) High-pressure pump, (6) Switching valve in "inject position", (6') Switching valve in "load position", (7) Sample injection loop, (8) Pre-column (guard column), (9) Analytical column, (10) Detector (i.e. IR, UV), (11) Data ...

  4. Piping and instrumentation diagram - Wikipedia

    en.wikipedia.org/wiki/Piping_and_instrumentation...

    Piping and instrumentation diagram of pump with storage tank. Symbols according to EN ISO 10628 and EN 62424. A more complex example of a P&ID. A piping and instrumentation diagram (P&ID) is defined as follows: A diagram which shows the interconnection of process equipment and the instrumentation used to control the process.

  5. Process flow diagram - Wikipedia

    en.wikipedia.org/wiki/Process_flow_diagram

    Instrumentation; Controllers like Level Control or Flow Control; Isolation and shutoff valves; Maintenance vents and drains; Relief and safety valves; Flanges; Process flow diagrams of multiple process units within a large industrial plant will usually contain less detail and may be called block flow diagrams or schematic flow diagrams.

  6. Thermospray - Wikipedia

    en.wikipedia.org/wiki/Thermospray

    Schematic of the thermospray probe and ion source used in EPA Method 8321B which utilized High Performance Liquid Chromatography-Thermospray-Mass Spectrometry (HPLC-TS-MS). [ 9 ] As a direct sampling technique, thermospray is able to gently ionize various types of analytes such that the resulting spectrum shows few fragments of the molecular ...

  7. Process design - Wikipedia

    en.wikipedia.org/wiki/Process_design

    Piping and instrumentation diagrams (P&ID): Diagrams showing each and every pipeline with piping class (carbon steel or stainless steel) and pipe size (diameter). They also show valving along with instrument locations and process control schemes. Specifications: Written design requirements of all major equipment items.

  8. The Average Cost of Owning a Car Is Up Almost 50% Over ... - AOL

    www.aol.com/average-cost-owning-car-almost...

    Image source: Getty Images. If you feel like driving is more expensive than ever, you're not alone. Car ownership costs -- including auto insurance -- have increased dramatically in recent years.

  9. ISO 10628 - Wikipedia

    en.wikipedia.org/wiki/ISO_10628

    ISO 10628 Diagrams for the chemical and petrochemical industry specifies the classification, content, and representation of flow diagrams. It does not apply to electrical engineering diagrams. ISO 10628 consists of the following parts: Part 1: Specification of Diagrams (ISO 10628-1:2014) [1] Part 2: Graphical Symbols (ISO 10628-2:2012)