The grain stability of calcined petroleum coke determines the resistance to breakdown of +4 mm particles used in the manufacture of carbon anodes for use . Designation: D/DM − Standard Practice for. Collection and Preparation of Coke Samples for Laboratory Analysis1 This standard is issued under the. ASTM D Standard Practice for Collection and Preparation of Coke Samples for Laboratory Analysis.
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Preparation of charcoal sample. Crushing is done manually in a porcelain mortar with a pestle. Used for charcoal briquettes. Price variations may also apply where standard quality indicators are not met. Combining values from the two systems may result in non-conformance with the standard.
ASTM International – Standard References for ASTM D / DM – 11
Check weight and temperatures at intervals until weight loss is under 0. For analysis, a set of standard screens with different mesh sizes are used.
This practice also provides an analysis sample of coke from the gross or divided sample. There were no books found for the applied search filters.
The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Are you sure you want to empty the cart? An oxygen calorimetric bomb is necessary for this test.
Print 1 2 3 4 5 page sstarting from page current page. The new charcoal producer quickly learns what can be done by himself and which part of the laboratory work can be contracted.
The test would be done by contract with a commercial testing authority, perhaps a university. The difference between initial weight and weight of sample after combustion will be expressed as a percentage of the initial weight and represents the ash content. The value astj the fixed carbon is calculated as follows: After cooling, the contents of the beaker are poured through a weighed glass filter which collects the barium-sulphate precipitate.
Special apparatus can be purchased.
When the required temperature is reached the retort is allowed to cool to room temperature and the yield of charcoal, tars and pyroligneous acid measured by weighing. It is not necessary to detail all the standards which are used but merely to indicate a typical system. After rumbling the charcoal is sieve-analysed to measure the size reduction which has occurred. ASTM D usually modified for charcoal. Enter your personal account email address to request a password reset: Shake the whole screen set for two minutes.
The buying specification of large industrial users and others will refer to various parameters measured in the process of quality control. The acceptability of the product will be determined by it’s compliance with the values laid down in the specification.
ASTM D346/D346M – 11
This practice may v346 used to provide a representative sample of the coke from which it is collected. The yields of charcoal and liquid products can be easily measured and the effect of carbonising temperature studied. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
Put the hot crucible into a desiccator with calcium chloride as a desiccant, until the sample has cooled. The right to access the electronic files of ASTM Standards is for purposes of viewing for individual use only. Values are state ins SI units when inch-pound units are not d3466 in practice. Crush sample in a porcelain mortar and accurately awtm 3 grammes. Continue drying and reweigh at one-hour intervals until the loss is not more than 0.
Moisture and Immersion Pan
They all operate according to the general scheme of comparison of the sample with a liquid of known viscosity. These gases are called volatiles and consist of tarry vapours and non-condensible gases. This indicates that all volatile matter has been driven off.
Such modifications must be mentioned in the charcoal analysis report. The extensive data on the carbonisation of the various species of eucalypts quoted by 20 were obtained in this way and show asstm comparative studies of this type can serve as a guide in choice of raw material. In addition the electronic files may not be downloaded or distributed elsewhere over computer networks or otherwise. Standards for charcoal testing are derived from fuels such as coal or coke and, in some cases, are modified to apply specifically to wstm analysis.
It is the responsibility of the user of this standard to 3d46 appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Please login to your authorized staff account to use this feature. In the case of solid wood, satm of an approximate size of 5 x 5 x 5 cm. Then weigh the residue remaining on each screen.