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Pages 26-32

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From page 26...
... Standard Practice for Standard Method of Test for Determination of Titanium Content in Traffic Paints by Field-Portable X-Ray Fluorescence Spectroscopy AASHTO Designation SP XX-14 1. Scope and Overview 1.1.
From page 27...
... • ASTM D5381-93: Standard Guide for X-Ray Fluorescence (XRF) Spectroscopy of Pigments and Extenders.
From page 28...
... be minimized by measuring high-density samples, never performing measurements on handheld samples, and maximizing the distance between the operator and the sample.
From page 29...
... 7. Potential Interferences 7.1.
From page 30...
... other debris and to ensure a close contact with the XRF instrument. The coating should be sufficiently dry as to not damage the XRF analyzer.
From page 31...
... bench-top measurements that do not require the instrument to be handheld and trigger-operated.
From page 32...
... Appendix A to Revised Draft ASHTO Methods: Portable XRF Manufacturers The following is a partial list of manufacturers of field portable XRF analyzers. • Olympus NDT, Inc.

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