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The precision of routine spectrographic analysis is dependent upon the rigid control of many factors. Some of these are: 1. Homogeneous samples. 2. Reproducible sparking surface on samples. 3. Reproducible sparking conditions (the power source). 4. Homogeneous emulsions
on the photographic plates or film. 5. Stable and reproducible densitometry. 6. The choice of good matched spectral line pairs. 7. The use of the correct emulsion calibration curve. 8. The use of the correct analytical curve.
Chemical Laboratory, South Works, United States Steel Company
Publication date: February 1, 1952
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The Society publishes the internationally recognized, peer reviewed journal, Applied Spectroscopy, which is available both in print and online. Subscriptions are included with membership or can be purchased by institutional or corporate organizations. Abstracts may be viewed free of charge. Previously published as Bulletin (Society for Applied Spectroscopy)