How did researchers detect whether da Vinci's paint contained walnut oil?

A. The paint was dissolved in water, and the oil rose to the top.
B. The paint was exposed to infrared absorption analysis.
C. The paint was used in PCR (polymerase chain reaction) to detect walnut DNA.
D. Somebody actually tasted it, and it tasted like oily walnuts.

Researchers used infrared absorption analysis to detect walnut oil in da Vinci's paint, a method that measures how materials absorb infrared light for precise identification of compounds. This technique helps preserve the artwork while still providing valuable information. It contrasts with less scientific methods that lack accuracy and may damage the piece. ;

Answered by GinnyAnswer | 2025-07-03

Researchers used infrared absorption analysis to determine if da Vinci's paint contained walnut oil, allowing for precise identification of its components. This method is non-invasive, making it ideal for studying and preserving historical artwork. It stands in contrast to less reliable methods that could damage the paintings.
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Answered by Anonymous | 2025-07-04