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Purchase your copy of ASTM E – 99() as a PDF download or hard copy directly from the official BSI Shop. All BSI British Standards. ASTM-E › Complete Document History Standard Test Method for Maximum Pore Diameter and Permeability of Rigid Porous Filters for Laboratory Use. E() Standard Test Method for Maximum Pore Diameter and Permeability of .. Active Standard ASTM E | Developed by Subcommittee: E

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Apparatus that has been found satisfactory is illustrated in Fig. Both results are automatically displayed on the computer screen. Please login to your aatm staff account r128 use this feature. It is the 5. Calculate the permeability as follows: The automated pressure ramping profile generates the Dynamic Bubble Point pressure that is used to determine Pore Diameter of stainless steel and ceramic diffusers. This test method establishes a uniform designation for maximum pore diameter and also provides a means of detecting and measuring changes which occur through continued use.

ASTM E – pdf全文-调研报告-在线文档

The surface tension of the liquid creates centimetres. Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or at phonefaxor service e-mail ; or through xstm ASTM website.

Specifications are subject to change without notice. Link to Active This link will always route to the current Active version of the standard. Summary of Test Method 1. No other units of measurement are included in this standard. Apparatus responsibility of the user of this standard to establish appro- 5. There were no books e1228 for the applied search filters.

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No further reproductions authorized. ASTM D recommends that the diffusers be tested when new and periodically thereafter, preferably after each use. But r radius of the capillary, under the conditions of the method it is more convenient to h height of the column of liquid, measure the diameter in micrometres and the pressure, pin surface tension of the liquid, millimetres of mercury.

The electronic file may not be reproduced in any way.

Standard Filter Crucibles – ROBU® Glasfilter-Geräte GmbH

This abstract is a brief summary of the referenced standard. Permeability is determined by measuring the flow of air through the filter when subjected to a pressure differential. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.

Model FMD eliminates the need for the clumsy and difficult to use wet test meter. No items in cart. Home Products Contacts Search. If the test is to be repeated, shape.

Standard Filter Crucibles

Enter your personal account email address to request a password reset: Last previous edition E — The Lawler proprietary Windows software manages the testing operation and all the data.

Making these substitutions, the expres- d density, sion becomes: Please sign into an account with a subscription to this content, or email for help at support madcad. E218 liquids which meet this criterion may be used. It consists of a certified NIST traceable U-tube manometer capable of reading mm of water installed on a wall mountable stainless steel panel, a ml graduated cylinder, a precision regulating valve and a 1 meter length of 8 mm plastic tubing.

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Remember me for one month. Register for w128 trial account. The uniformity of distribution of pores approaching the 1 This test method is under the jurisdiction of ASTM Committee E on maximum pore size may be observed by gradually increasing Laboratory Apparatus and is the direct responsibility of Subcommittee E The maximum pore diameter is calculated from the surface tension of the test liquid and the applied pressure.

A superscript epsilon indicates an editorial change since the last revision or reapproval. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. This pore diameter is calculated from the surface tension of asttm test test method establishes a uniform designation for maximum liquid and the applied pressure.

Values for surface tension in Table 1 are for general guidance only and are approximate; surface tension of the liquid used should be determined. Search book title Enter keywords for book title search.