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  • ASTM
    E1140-95(2024) Standard Practice for Testing Nitrogen/Phosphorus Thermionic Ionization Detectors for Use In Gas Chromatography
    Edition: 2024
    $86.11
    Unlimited Users per year

Description of ASTM-E1140 2024

ASTM E1140-95-Reapproved2024

Active Standard: Standard Practice for Testing Nitrogen/Phosphorus Thermionic Ionization Detectors for Use In Gas Chromatography




ASTM E1140

Scope

1.1 This practice covers testing the performance of a nitrogen/phosphorus thermionic ionization detector (NPD) used as the detection component of a gas chromatographic system.

1.2 This practice applies to an NPD that employs a heated alkali metal compound and emits an electrical charge from that solid surface.

1.3 This practice addresses the operation and performance of the NPD independently of the chromatographic column. However, the performance is specified in terms that the analyst can use to predict overall system performance when the detector is coupled to the column and other chromatographic components.

1.4 For general chromatographic procedures, Practice E260 should be followed except where specific changes are recommended in this practice for the use of a nitrogen/phosphorus (N/P) thermionic detector.

1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. For specific safety information, see Section 5, Hazards.

1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.


Keywords

flame ionization detector (FID); flame photometric detectors (FPD); gas chromatography (GC); nitrogen/phosphorus detectors (NPD); packed columns; supercritical fluid chromatography (SFC); thermionic detectors;


ICS Code

ICS Number Code 71.040.50 (Physicochemical methods of analysis)


DOI: 10.1520/E1140-95R24

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