Solid mineral fuels. Determination of sulfur by IR spectrometry Ingestion-build-260237 with delayed action "trip-free" tripping

with delayed action "trip-free" tripping with a signal contact which is open when main contacts are closed

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synthetic oils and fluids

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Solid mineral fuels. Determination of sulfur by IR spectrometry Ingestion-build-260237 with delayed action "trip-free" tripping1 Scope This International Standard specifies an alternative method of determining the total sulfur content of hard coal, brown coal, and lignite by high temperature combustion and infrared (IR) absorption using commercially available instruments. This method has been shown to be applicable to coal samples having an ash yield of less than 40 %.