Find the most up-to-date version of ASTM B at Engineering ASTM B Standard Test Methods for Estimating Average Particle Size of Metal Powders and Related Compounds Using Air Permeability. Clicking the links below will open a new browser window to the standard on the website. ASTM B Standard Test Method for Fisher Number of.

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ASTM Methods – Particle Size Analysis | Micromeritics

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This standard is also available to be included in Standards Subscriptions. Porous nickel metal produced from materials specified in 1C These test methods shall not be used for mixtures of different powders, nor for powders containing binders or lubricants.

Information on the reference standards or refer en c e materials u se d for testing o f t he herbal substanc e s and h e rb al preparation s where applicable shall be provided. This standard is not included in any packages. The values obtained are not intended to be absolute but are generally useful on a relative basis for control purposes.

Methods of de-agglomeration such as that specified in Practice B may be used if agreed upon between the parties concerned. Most frequent English dictionary requests: This is a crucial point, as the air permeability technique and the FSSS have been used as a benchmark for decades in many industries.

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It should not be summed up with the orange entries The translation is wrong or of bad quality. Please first log in with a verified email before subscribing to alerts.

The strategic importance of a sustainable supply of r a w materials t o t he EU — for i t s indu st r y and society a s a whole — has been well recognised in different strategic policy documents such as the Raw Materials Initiative1 proposed by the European Commission, related Council Conclusions2 and Report from the EP3.

The Commission will inv ol v e society and m a ke societal im pa c t testing a n o bligatory part, where appropriate, of all its future security research projects Support activities would be meant as an incentive to speed up cooperation and the use of information and communications technologies for geographically dispersed facilities leading to improve transfer and exploitation of results, in partic ul a r for S M Esin the fiel d o f materialsp ro duction technolog ie sand m e as ure me n t and testing.

Please click on the reason for your vote: American society is strongly divided over the proposal for regulated, socialised health care funded from tax revenues and subject to control by elected representatives. This is not a good example for the translation above. The SAS utilizes dual pressure transducers to measure pressure drop across a packed bed of powder.

There is exceptional correlation between the two sets of data. One plot is based on results for inorganic mainly tungsten metal; the second on organic samples mostly pharmaceuticals.

For this reason, values obtained by these test methods will be reported as an average particle size or Fisher Number.


When the powder contains agglomerates, the measured surface area may be affected by the degree of agglomeration.

Numerous extensive studies have come to the same conclusion. The wrong words are highlighted.

ASTM Methods – Particle Size Analysis

Link to Active This link will always route to the current Active version of the standard. In these cases, it is permissible to use the test methods described b303 by agreement between the parties concerned. Proceed to Checkout Continue Shopping.

By varying the sample height and porosity while controlling the flow rate of air through the sample, the SSA and average particle size can be determined using the Kozeny-Carman equation. Methods of de-agglomeration such as that specified in Practice B may be used if agreed upon between the parties concerned. Please first verify your email before subscribing to alerts.

If the document is revised or amended, you will be notified by email. Already Subscribed to this document. Historical Version s – view previous versions of standard Translated Version asmt Add to Alert PDF.

You may delete a document from your Alert Profile at any time. The values obtained are not intended to be absolute but are generally useful on a relative basis for control purposes. The air-permeability technique is well established for measurement of the Specific Surface Area SSA of a sample powder. Subscription pricing is determined by: