ASTM E520-98(2003)
Historical Standard: ASTM E520-98(2003) Standard Practice for Describing Photomultiplier Detectors in Emission and Absorption Spectrometry
SUPERSEDED (see Active link, below)
ASTM E520
1. Scope
1.1 This practice covers photomultiplier properties that are essential to their judicious selection and use of photomultipliers in emission and absorption spectrometry. Descriptions of these properties can be found in the following sections:
| Section | |
| Structural Features | 4 |
| General | 4.1 |
| External Structure | 4.2 |
| Internal Structure | 4.3 |
| Electrical Properties | 5 |
| General | 5.1 |
| Optical-Electronic Characteristics of the Photocathode | 5.2 |
| Current Amplification | 5.3 |
| Signal Nature | 5.4 |
| Dark Current | 5.5 |
| Noise Nature | 5.6 |
| Photomultiplier as a Component in an Electrical Circuit | 5.7 |
| Precautions and Problems | 6 |
| General | 6.1 |
| Fatigue and Hysteresis Effects | 6.2 |
| Illumination of Photocathode | 6.3 |
| Gas Leakage | 6.4 |
| Recommendations on Important Selection Criteria | 7 |
1.2 Radiation in the frequency range common to analytical emission and absorption spectrometry is detected by photomultipliers presently to the exclusion of most other transducers. Detection limits, analytical sensitivity, and accuracy depend on the characteristics of these current-amplifying detectors as well as other factors in the system.
1.3 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 and health practices and determine the applicability of regulatory limitations prior to use.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
ASTM Standards
E135 Terminology Relating to Analytical Chemistry for Metals, Ores, and Related Materials
Keywords
absorption; detectors; emission; photomultiplier; spectrometry; Spectroscopy--atomic absorption; Spectroscopy--emission; Detectors; Multiplier phototubes; Photomultiplier detection;
ICS Code
ICS Number Code 17.180.30 (Optical measuring instruments)
DOI: 10.1520/E0520-98R03
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