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Title: Operation Of On Like Chromatograph
Author: A. F. Kersey
Source: 1987 Gulf Coast Measurement Short Course (Now called ASGMT)
Year Published: 1987
Abstract: The on line gas chromatograph is an excellent measurement device that will give precision results with a minimum of attention for BTU and specific gravity measurement. To achieve this performance several important points must be considered in the selection and use of the instrument: 1. The chromatograph must be able to measure all components in the gas which effect the BTU and specific gravity measurement. 2. A representative sample of gas must be extracted from the pipeline and must be delivered to the chromatograph in the same representative form. 3. The calibration gas must be a precision gas and must have the same components as the gas being measured. 4. There should be a minimum of sample line time lag. 5. The instrument should be in an environment suitable for maintenance and to permit the Instrument to perform properly and safely. 6. The operators should understand the operating principals in order to achieve optimum performance. 7. The operators should understand whatever maintenance and trouble shooting tools are offered by the manufacturer.

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