This document defines terms commonly employed in coal preparation. Note For terms relating to petrographic analysis, see ISO 7404-1.
- Standard59 pagesEnglish language
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- Standard7 pagesEnglish language
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This document establishes a practice for the ultimate analysis of coal and coke and is intended for general utilization by the coal and coke industries to provide a basis for comparison of coals and cokes.
- Standard5 pagesEnglish language
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This document specifies a reference method for determining the total sulfur content of hard coal, brown coals and lignites, and coke by the Eschka method.
- Standard7 pagesEnglish language
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This document specifies a method of determining the volatile matter of brown coals and lignites by the one furnace method.
- Standard12 pagesEnglish language
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This document describes a method for determining the abrasiveness of hard coal.
- Standard15 pagesEnglish language
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- Standard10 pagesEnglish language
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This document sets out the basic methods for sampling fine coal, coal rejects or tailings of nominal top size The procedures described in this document primarily apply to sampling of coal that is transported in moving streams as a slurry. These streams can fall freely or be confined in pipes, launders, chutes, spirals or similar channels. Sampling of slurries in stationary situations, such as a settled or even a well-stirred slurry in a tank, holding vessel or dam, is not recommended and is not ...view more
- Standard35 pagesEnglish language
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This document specifies a method for determining the swelling properties of hard coal when heated under standard conditions in a dilatometer.
- Standard15 pagesEnglish language
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This document specifies a method of determination of caking index of hard coal. It is applicable to the evaluation of caking power of bituminous coal with random reflectance of vitrinite, Rr, greater than 0,6 % and less than or equal to 1,8 % (>0,6 % and ≤1,8 %).
- Standard12 pagesEnglish language
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This document sets out recommended practices for the inspection of mechanical sampling systems. It serves as a guide for conformance with applicable ISO/TC 27 standards. This document covers general considerations including precision, mineral variability and bias, establishment of inspection systems and inspection procedure.
- Standard23 pagesEnglish language
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This document gives reference to ASTM D1412 as a method of determining the moisture-holding capacity of hard coals.
- Standard2 pagesEnglish language
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This document sets out a laboratory procedure for the froth flotation testing of fine coal, e.g. coal of particle size less than 0,5 mm. The procedure provides a means of evaluating the general flotation characteristics of a coal under a set of specified standard conditions, and will not necessarily indicate the full flotation potential of that coal. The flotation characteristics of coals are sensitive to changes in flotation conditions. These conditions can be changed by varying basic parameter...view more
- Standard14 pagesEnglish language
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This document specifies a method for the comparative evaluation of the performances of flocculants for clarification, thickening and sedimentation applications on a given slurry. This performance can be evaluated by a) the settling velocity in the initial period, b) the sediment volume after compaction and consolidation, and c) the clarity of the supernatant liquid.
- Standard12 pagesEnglish language
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This document specifies a method for the determination of total fluorine in coal, coke and fly ash. From measurement of the total fluorine alone, it is not possible to estimate the amount of fluorine released to the environment by utilization of the coal and subsequent disposal of the ash residue.
- Standard11 pagesEnglish language
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This document describes a simple classification system for coals providing — guidance on the selection of the appropriate ISO standard procedures for the analyses and testing of coals, — international comparison of coals in terms of some key characteristics, — descriptive categorization of coals. The system is applicable to coals of all ranks, but care is required in relation to the classification of some types of coal. The system can be applied to a wide range of representative coal samples, pr...view more
- Standard9 pagesEnglish language
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This document describes a method for determining the abrasiveness of hard coal.
- Standard15 pagesEnglish language
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- Standard10 pagesEnglish language
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This document sets out a wavelength dispersive X-ray fluorescence (XRF) procedure for the determination of silicon, aluminium, iron, calcium, magnesium, sodium, potassium, titanium, manganese, phosphorus and sulfur.
- Standard16 pagesEnglish language
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ISO 7404-4:2017 specifies a method, using a graticule with 20 crossline intersections, for determining the proportions of microlithotypes, carbominerite and minerite in coals. It applies only to determinations made on polished particulate blocks using reflected white light (about 400 nm to 700 nm). Additional blue, blue-violet or UV light excitation (365 nm to 440 nm) for better identification of liptinite in fluorescence may be used especially at low rank coals.
- Standard9 pagesEnglish language
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ISO 10329:2017 specifies a method for obtaining a relative measure of the plastic behaviour of coal when heated under prescribed conditions. The method is used to obtain values of the plastic properties of coals and blends used in carbonization and in other situations where determination of plastic behaviour of coals is of practical importance. NOTE The empirical nature of this test requires proper equipment calibration to produce fluidity readings which are a true indication of the relative pla...view more
- Standard13 pagesEnglish language
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ISO 647:2017 specifies a method for the determination of the yields of tar, water, gas and coke residue obtained from brown coal and lignite by distillation to a final temperature of 520 °C.
- Standard8 pagesEnglish language
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