ASTM E1791-96(2021) PDF
Standard Practice for Transfer Standards for Reflectance Factor for Near-Infrared Instruments Using Hemispherical Geometry
Standard Practice for Transfer Standards for Reflectance Factor for Near-Infrared Instruments Using Hemispherical Geometry
- Статус документа:
- Действующий
- Формат:
- Электронный (PDF)
- Дата публикации:
- 10 сентября 2021 г.
- SKU:
- ASTM E1791-96(2021)
Abstract
Significance and Use 5.1 Most commercial reflectometers and spectrophotometers with reflectance capability measure relative reflectance. The instrument reading is the ratio of the measured radiation reflected from the reference specimen to...
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