FAQ - Frequently Asked Questions
- Products Search > Elemental Analysis > Energy Dispersive X-ray Fluorescence Spectroscopy(EDX) > (EDX) Negative quantitative value display in quantitative...
(EDX) Negative quantitative value display in quantitative analysis
I am performing a quantitative analysis with the calibration curve method.
A negative quantitative value occasionally occurs (e.g.: Cd: -2.6ppm).
What does a negative concentration mean?
A negative quantitative value occasionally occurs (e.g.: Cd: -2.6ppm).
What does a negative concentration mean?
Answer
At 0ppm, the variance in X-ray intensity will be a negative value if it is below the average intensity.
A negative value is treated as a quantitative value of 0ppm.
A negative value is treated as a quantitative value of 0ppm.
May I have your opinion?
This site uses the FAQ system "PKSHA FAQ", which is a product of PKSHA Communication Inc.