Potassium bromide method of infrared sampling
Analytical Chemistry
By: R. G. Milkey
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Abstract
In the preparation of potassium bromide pressed windows for use in the infrared analysis of solids, severe grinding of the potassium bromide powder may produce strong absorption bands that could interfere seriously with the spectra of the sample. These absorption bands appear to be due to some crystal alteration of the potassium bromide as a result of the grinding process. They were less apt to occur when the coarser powder, which had received a relatively gentle grinding, was used. Window blanks prepared from the coarser powders showed smaller adsorbed water peaks and generally higher over-all transmittance readings than windows pressed from the very fine powders.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Potassium bromide method of infrared sampling |
| Series title | Analytical Chemistry |
| DOI | 10.1021/ac60144a014 |
| Volume | 30 |
| Issue | 12 |
| Year Published | 1958 |
| Language | English |
| Publisher | ACS Publications |
| Description | 3 p. |
| First page | 1931 |
| Last page | 1933 |
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