| Descriptors |
Sulfur, Calibration, Precision, Coke, Coal, Colorimetry, Sulfur organic compounds, Fossil fuels, Gravimetric analysis, Coal products, Testing conditions, Determination of content, Iron, Fuels, Sulfates, Precipitation methods, Extraction methods of analysis, Accuracy, Pyrites, Chemical analysis and testing, Photometry (chemical analysis), Sulfur inorganic compounds, Solid fuels, Volumetric analysis
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