三刺激值-色差法测量石蜡色度的研究

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Abstract： Chroma is an important technical index of paraffin products.Thecurrent standard SH/T 0403-1992， Paraffin chroma determination method，the standard color plate made of plexiglassfor color comparison is used by test personnel to determine the test sample color number. Since the current method has been implemented for 30 years， there is big personnelerror，andthe technicalmeans need tobe further improved.Basedon the standardcolorimetric solution specifed in SH/T0403-1992，anew method was established to determine thecolorimetric resultsof paraffn samples by tristimulus value-color difference method.The results show that the data measured by tristimulus valuecolor difference method is more stable，accurate and reproducible，which provides anew way for the determinationof paraffin colorimetry.

Keywords：paraffin; chroma; tristimulus value-color difference method

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