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KR6540 petroleum product colorimeter is suitable for measuring the color of various lubricating oils and other petroleum products according to SH/T0168-92 "Petroleum Product Colorimetric Method" , GB/T6540 and ASTM D1500 standard. The method of determination is to inject a sample of the petroleum product to be measured into a colorimetric tube and then compare it with a standard color patch to determine its chromaticity number.
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