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ASTM E116-97
Standard Practice for Photographic Photometry in Spectrochemical Analysis (Withdrawn 2002)
STANDARD published on 10.4.1997
The information about the standard:
Designation standards: ASTM E116-97
Note: WITHDRAWN
Publication date standards: 10.4.1997
SKU: NS-40668
The number of pages: 13
Approximate weight : 39 g (0.09 lbs)
Country: American technical standard
Category: Technical standards ASTM
Annotation of standard text ASTM E116-97 :
Keywords:
photographic, spectrochemical analysis, ICS Number Code 71.040.50 (Physicochemical methods of analysis)
Additional information
| 1. Scope |
|
1.1 This practice covers the calibration of photographic emulsions and their use in measuring spectral line intensity ratios. Several methods of external illumination are outlined. Instructions are given for using regression in a computer program for defining the emulsion calibration from preliminary curves prepared by using the two-step and two-line methods and the in-line group procedure. Correction for spectral background is discussed in some detail, and instructions are given for preparing analytical curves. 1.2 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. |
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