Evaluating Applications of Field Spectroscopy Devices to Fingerprint Commonly Used Construction Materials (2013) / Chapter Skim
Currently Skimming:
Pages 60-66
The Chapter Skim interface presents what we've algorithmically identified as the most significant single chunk of text within every page in the chapter.
Select key terms on the right to highlight them within pages of the chapter.
From page 60... ...
60 A p p e n d i x C Standard Practice for Identification of Water Reducing, Accelerating, and Retarding Chemical Admixtures in Fresh Portland Cement Concrete by Attenuated Total Reflection Infrared Spectrometer AASHTO Designation SP XX-12 1. SCOPE 1.1 This method covers the qualitative identification of the type of a chemical admixture for portland cement concrete (PCC)
|
From page 61... ...
61 3. APPARATUS 3.1 Sampling equipment 3.2 Pipette for sampling liquid admixture 3.3 Spoon for sampling PCC 3.4 Spectroscopic equipment 3.5 Infrared spectrometer equipped with diamond single reflection ATR accessory and load applicator 3.6 Cleaning tools 3.7 99% Acetone for cleaning ATR sampling plate after sample is removed.
|
From page 62... ...
62 atmosphere- and water vapor-related absorption bands from the sample spectrum. Store the ATR absorbance spectrum in numerical format for further processing as needed.
|
From page 63... ...
63 8. INTERPRETATION OF RESULTS This section provides guidelines for the interpretation of the absorbance spectra of a pure admixture and a PCC sample.
|
From page 64... ...
64 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-12 1. SCOPE AND OVERVIEW 1.1 This guide covers the use of field-portable X-ray fluorescence (XRF)
|
From page 65... ...
65 4.4 The dangers involved with X-ray devices, and mitigation thereof, are well documented and, as such, this manual is not intended to be a reference to all the hazards associated with X-ray devices.
|
From page 66... ...
66 9.2 For ex situ measurements: 9.2.1 Place a uniform, homogenized, and representative amount of the liquid paint into a sample container such that it is at least halfway filled. 9.2.2 Cover the opening of the container with X-ray transparent film and fasten into place.
|
Key Terms
This material may be derived from roughly machine-read images, and so is provided only to facilitate research.
More
information on Chapter Skim is available.