Light re-emission utilized in some drugs color analysis
Keywords:
White, Drug, Light re-emissionAbstract
Measurements of the white, blue and green light re-emission at the level of some white drug powders smooth surface were performed. The "white degree", defined as the blue light re-emission power, has been proposed for the white drugs color quantitative evaluation. The investigation of many different drug batches, both at the date of the preparation and later, during the validity time interval, indicated that the "white degree" may be useful in products ageing surveying. A convenient graphic method was applied for the comparison of the "white degree" distribution curves.
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