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ASTM E1654-94(2021) - Standard Guide for Measuring Ionizing Radiation-Induced Spectral Changes in Optical Fibers and Cables for Use in Remote Raman FiberOptic Spectroscopy
September 1, 2021 - ASTM International

1.1 This guide covers the method for measuring the real time, in situ radiation-induced alterations to the Raman spectral signal transmitted by a multimode, step index, silica optical fiber. This guide specifically addresses steady-state ionizing radiation (that is, alpha, beta, gamma,...

ASTM E579-04(2023) - Standard Test Method for Limit of Detection of Fluorescence of Quinine Sulfate in Solution
January 15, 2023 - ASTM International

4.1 When determining the limiting detectable concentration of a fluorescent substance, it is usually necessary to increase the readout scale of a photoelectric instrument to a point where noise (that is, random fluctuations of the system) becomes apparent. This noise will be superimposed upon the...

ASTM E3233-20 - Standard Practice for Forensic Tape Analysis Training Program
February 1, 2020 - ASTM International

3.1 The procedures outlined herein are grounded in the generally accepted body of knowledge and experience in the field of forensic tape examination and comparison. 3.2 With successful completion of this tape analysis training program, the trainee gains the theoretical knowledge and practical...

ASTM E3234-20 - Standard Practice for Forensic Paint Analysis Training Program
February 1, 2020 - ASTM International

3.1 The procedures outlined herein are grounded in the generally accepted body of knowledge and experience in the field of forensic paint examination and comparison. 3.2 With successful completion of this paint analysis training program, the trainee gains the theoretical knowledge and practical...

ASTM E3220-20 - Standard Guide for Characterization of Graphene Flakes
April 1, 2020 - ASTM International

1.1 This standard will provide guidance on the measurement approaches for assessment of lateral flake size, average flake thickness, Raman intensity ratio of the D to G bands, and carbon/oxygen ratio for graphene and related products. The techniques included here are atomic force microscopy,...

ASTM E1654-94(2013) - Standard Guide for Measuring Ionizing Radiation-Induced Spectral Changes in Optical Fibers and Cables for Use in Remote Raman FiberOptic Spectroscopy
January 1, 2013 - ASTM International

1.1 This guide covers the method for measuring the real time, in situ radiation-induced alterations to the Raman spectral signal transmitted by a multimode, step index, silica optical fiber. This guide specifically addresses steady-state ionizing radiation (that is, alpha, beta, gamma,...

ASTM E1654-94(2004) - Standard Guide for Measuring Ionizing Radiation-Induced Spectral Changes in Optical Fibers and Cables for Use in Remote Raman FiberOptic Spectroscopy
November 1, 2004 - ASTM International

1.1 This guide covers the method for measuring the real time, in situ radiation-induced alterations to the Raman spectral signal transmitted by a multimode, step index, silica optical fiber. This guide specifically addresses steady-state ionizing radiation (that is, alpha, beta, gamma,...

ASTM E1654-94(1999) - Standard Guide for Measuring Ionizing Radiation-Induced Spectral Changes in Optical Fibers and Cables for Use in Remote Raman FiberOptic Spectroscopy
October 10, 1999 - ASTM International

1.1 This guide covers the method for measuring the real time, in situ radiation-induced alterations to the Raman spectral signal transmitted by a multimode, step index, silica optical fiber. This guide specifically addresses steady-state ionizing radiation (that is, alpha, beta, gamma,...

ASTM E579-04(2015) - Standard Test Method for Limit of Detection of Fluorescence of Quinine Sulfate in Solution
May 1, 2015 - ASTM International

4.1 When determining the limiting detectable concentration of a fluorescent substance, it is usually necessary to increase the readout scale of a photoelectric instrument to a point where noise (that is, random fluctuations of the system) becomes apparent. This noise will be superimposed upon the...

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