Nov 01, 2019· ASTM D388. May 15, 2015. Standard Classification of Coals by Rank. This standard covers the classification of coals by rank, that is, according to their degree of metamorphism, or progressive alteration, in the natural series from lignite to anthracite.
Sep 10, 1999· The precision of the classification of impure coal may be impaired by the effect of large amounts of mineral matter on the determination of volatile matter and calorific value, and on their calculation to the mineral-matter-free basis. 1.3 The values stated in British thermal units per pound are to be regarded as the standard.
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ASTM D388 - 15.pdf. Designation: D388 15Standard Classification ofCoals by Rank1This standard is issued under the fixed designation D388; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval.
ASTM D3174-2012,5. Significance and UseTop Bottom 5.1 Ash, as determined by this test method, is the residue remaining after burning the coal and coke. Ash obtained differs in composition from the inorganic constituents present in the original coal. Incineration causes an expulsion of all water, the loss of carbon dioxide from carbonates, the conversion of iron pyrites into ferric oxide, and ...
ASTM D388. 1. Scope. 1.1 This standard covers the classification of coals by rank, that is, according to their degree of metamorphism, or progressive alteration, in the natural series from lignite to anthracite. 1.2 This classification is applicable to coals that are composed mainly of vitrinite. Note 1. Coals rich in inertinite or liptinite ...
12 – Examples of procedures for division of increments and samples 42 Figure 13 – A riffle sample divider 44 Figure 14 – Critical temperature points of the ash fusion test 67 Figure 15 – Determination of free-‐swelling index – Standard profiles (actual size) and
ASTM D388 - 19a Standard Classification of Coals by Rank ... and on their calculation to the mineral-matter-free basis. 1.4 The values stated in SI units are to be regarded as standard. The values given in parentheses are for information only. ... Develop a fast-track standardization document in 9-12 months. Find out more >
Practice D2013/D2013M provides instructions for reducing and dividing the gross or divided sample, by on-line or off-line processes, or both, to a top size and mass suitable to the performance of testing. Any bias in the gross or divided sample before adherence to this practice will remain in the final sample resulting from use of this practice.
If you are an ASTM Compass Subscriber and this document is part of your subscription, you can access it for free at ASTM Compass ASTM D388 - 19a Standard Classification of Coals by Rank. Active Standard ASTM D388 | Developed by Subcommittee: D05.23. Book of Standards Volume: 05.06 : Format: Pages: Price : PDF: 8: $52.00: ADD TO CART
Dry Mineral Matter Free calculations (Reference ASTM D388) Empirical Formula for estimation of Gross Calorific Value using Ultimate Analysis (Ref: COAL Typology - Physics - Chemistry - Constitution; author D.W Krevelen; third edition 1993, page 528). All data is on a Dry Basis (DB) expressed as % weight.
ASTM D4708-12 Preparation of Uniform Free Films of Organic Coatings ASTM D471-12 Rubber Property-Effect of Liquids ASTM D4716/D4716M-14 Determining the (In-plane) Flow Rate per Unit Width and Hydraulic Transmissivity of a Geosynthetic Using a Constant Head
If you are an ASTM Compass Subscriber and this document is part of your subscription, you can access it for free at ASTM Compass ASTM D388-12 Standard Classification of Coals by Rank. SUPERSEDED (click for Active standard) Format: Pages: Price : PDF: 7: …
Oct 07, 2019· Dry, mineral matter-free basis: Data or results are calculated to a theoretical base as if there were no moisture or mineral matter in the coal sample (ASTM method D388-12; American Society for Testing and Materials, 2013, p. 390–396). For this basis, a calculation is needed to determine mineral-matter content rather than ash yield.
Coal Drying and Grinding – Free … 12% O₂ for lignite coal If a coal grinding plant can be operated … in accordance with ASTM standards during actual … astm d388 12 standard classification of coals by rank …
Referenced Documents 2.1 ASTM Standards: D 121 Terminology of Coal and Coke2 D 720 Test Method for Free-Swelling Index of Coal2 D 1412 Test Method for Equilibrium Moisture of Coal at 96 to 97 Percent Relative Humidity and 30C2 D 1757 Test Method for Sulfur in Ash from Coal and Coke2 D 2013 Method of Preparing Coal Samples for Analysis2 D 2234 ...
The ASTM G21 was first released in 1990 as an official method to test the resistance of synthetic polymers to fungal attack. The current standard (ASTM G21-15) is the sixth version of this test method. We often are asked for an ASTM G21 free download. Unfortunately, due to copyright laws, we cannot provide copies of the test method.
Classification of Coal by Rank (ASTM D388-12) ... moisture mineral-matter free basis: Share with: lastest news. Nov 15. Half of UK Electricity Comes From Low-carbon Sources for First Time Ever More than half of the UK's electricity has come from low-carbon sources for the first time, a …
ASTM D388 - 12 Standard Classification of Coals by Rank . Active Standard ASTM D388 ... The classification shall also be according to fixed carbon and gross calorific value calculated to the mineral-matter-free basis. ... ASTM D388 . The following editions for this book are also available... Format Year Publisher Type Title
ASTM. Welcome to EverySpec.com, your premiere source for free downloads of government and military standards, specifications, handbooks, and documents. ASTM-A53/A53M. 1993. ASTM-A53/A53M, ADOPTION NOTICE: PIPE, STEEL, BLACK AND HOT-DIPPED, ZINC-COATED,WELDED AND SEAMLESS (15-JUL-1993) [SUPERSEDING WW-P-404] ASTM-A380.
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Description of ASTM-D388 2015 ASTM D388-15 Historical Standard: Standard Classification of Coals by Rank ASTM D388 Scope. ... and on their calculation to the mineral-matter-free basis. 1.3 The values stated in SI units are to be regarded as standard. No other units of …
Standard Test Methods for Dissolved Oxygen in Water. 1. Scope. 1.1 These test methods cover the determination of dissolved oxygen in water. Three test methods are given as follows: 1.2 The precision of Test Methods A and B was carried out using a saturated sample of reagent water. It is the user's responsibility to ensure the validity of the ...
1.1 This standard covers the classification of coals by rank, that is, according to their degree of metamorphism, or progressive alteration, in the natural series from lignite to anthracite. 1.2 This classification is applicable to coals that are composed mainly of vitrinite. Note 1: Coals rich in inertinite or liptinite (exinite), or both ...
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.. ASTM Standards . D121 Terminology of Coal and Coke . D720 Test Method for Free-Swelling Index of Coal . D1412 Test Method for Equilibrium Moisture of Coal at 96 to 97 Percent Relative Humidity and 30C
Classification of Coal by Rank (ASTM D388-12). Calculating sulfur trioxide that is determined in accordance with ASTM D5016-08, dmmf:dry mineral-matter-free basis, moisture mmf : moisture mineral-matter free basis.....
If you are an ASTM Compass Subscriber and this document is part of your subscription, you can access it for free at ASTM Compass ASTM D3180-12 Standard Practice for Calculating Coal and Coke Analyses from As-Determined to Different Bases . SUPERSEDED (click for Active standard) ... ASTM Standards. D388 Classification of Coals by Rank.