ASTM D3802 PDF

ASTM D Standard Test Method for Ball-Pan Hardness of Activated Carbon. Standard Test Method for Ball-Pan Hardness of Activated Carbon. Status: Withdrawn · Replaced by: ASTM D Buy this standard. Price: SEK. PDF. D()活性碳的球盘硬度的试验方法 – Designation: D Referenced Documents ASTM Standards: B 19 Speci?cation for.

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Standard Test Method for Ball-Pan Hardness of Activated Carbon

If you feel that your comments have not received a fair hearing you should make your views known to the ASTM Committee on Standards, at the address shown below. Satm number in parentheses indicates the year of last reapproval. Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend. A superscript epsilon e indicates an editorial change since the last revision or reapproval.

ASTM D – 10 Standard Test Method for Ball-Pan Hardness of Activated Carbon

Individual reprints single r3802 multiple copies of this standard may be obtained by contacting ASTM at the above address or at phonefaxor service astm.

Precision and Bias Users of this standard are expressly advised that determination of the validity of any such patent rights, and the risk of infringement of such rights, are entirely their own responsibility. Apparatus and Materials 6.

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Summary of Test Method 4. Weigh to the nearest 0.

The extra sieves, in this case, serve only to form a stack which? Use additional material obtained as in 9. Shake with the hammer operating for 10 min 6 10 s.

Current edition approved June 29, The adhesion of material to satm, brushes, etc. Conceding the fact that the test does not actually measure in-service resistance to degradation, it can be used to establish the comparability of lots ostensibly of the same grade of carbon.

At d38002 end of this period, the amount of particle size degradation is determined by measuring the quantity of carbon, by weight, which d38002 retained on a sieve whose openings are closest to one half the openings of the sieve that de? One supplier tested 31 samples of a single grade of carbon and obtained an average hardness of Fit the cover plate with a cork stopper qstm extends from 3.

The value of H2 gives the upper limit of hardness, if we ignore the effects of humidity. Humidity effects during a given test will largely cancel out if no change in humidity occurs between 9. This standard is subject to revision at any time by the responsible technical committee and must be reviewed every?

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Sieves shall be calibrated at reasonable intervals in accordance with the procedure described in Speci? Obtain at least mL of material within the nominal mesh size range.

ASTM D3802 – 16

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. Pour the screened and weighed sample into the hardness pan and add the steel balls. Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM Headquarters.

Tyler Model SB, available from Awtm. Discard the fractions above the larger and below the smaller nominal particle size. Adjust the bottom stops to give a clearance of approximately 1. Place the hardness test sieve on top of the receiving pan.

BoxGastonia, NC 3d802, has been found to be satisfactory.

None of these has proved completely satisfactory for all applications, and all have been questioned by ASTM D38802 D on Activated Carbon as tests for establishing degradation resistance. Table 1 lists the hardness test sieve corresponding to each minimum nominal sieve.