Method and device for measuring turbidity
A technology of a measuring device and a measuring method, which is applied in the measurement of scattering characteristics and other directions, can solve the problems of being difficult to fully satisfy and overcome the error of window contamination, and achieve the effects of reducing temperature error, prolonging the period of manual cleaning and maintenance, and high precision.
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[0047] with P 0 Indicates the incident light intensity, h indicates the absorption coefficient of the sample, and k indicates its scattering coefficient. When the parallel beam passes through the sample with thickness x, the optical power should be:
[0048] P(x)=P 0 exp[-(k+h)x]
[0049] Deriving the above formula, the scattered power of a parallel beam of power P(x) passing through a sample with a thickness of dx can be obtained. For liquids with low absorption (h·x approaches 0), the scattered light power P S for
[0050] P s ( x ) = - dP ( x ) dx ≈ k · P 0 exp [ - ( k + h ) x ...
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