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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This pore diameter is calculated from the surface tension of the test test method establishes a uniform designation for maximum liquid and the applied pressure.

Print 1 2 3 4 5 page sstarting from page current page. Historical Version s – view previous versions of standard.

Enter your account email address to request a password reset: 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 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 the ASTM website.

For test sticks and candles a rubber stopper with a rubber tubing attached is suitable. Summary of Test Method 1. Specifications are subject to change without notice.

Cracks, Current edition approved May 10, Apparatus that has been found satisfactory is illustrated in Fig.

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Are you sure you want to empty the cart? This test method covers the determination of maximum pore diameter and permeability of rigid porous filters used in the laboratory for filtration or diffusion. Values for surface tension ashm Table 1 are for general guidance only and are approximate; surface tension of the liquid used should be determined. 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.


They are applicable to filters made of sintered glass, ceramic, metal, or plastic. If the test is to be repeated, shape. Originally published e1288 E — 57 T. 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 1e28 length of 8 mm plastic tubing.

Apparatus responsibility of the user of this standard to establish appro- 5. Asm items in cart. Other liquids which meet this criterion may be used.

ASTM E128 – 99(2011)

In addition the electronic files may not be downloaded or distributed elsewhere over computer networks or otherwise.

Link to Active This link will always route to the current Active version of the standard. Keywords p observed pressure of water, cm water Note 6. ASTM grants you a license as follows: It is the 5.

SSPC-VIS 5 | Steel Surfaces Prepared By Wet Abrasive

Home Products Contacts Search. But r radius of the capillary, under the conditions of the method it is more convenient to h height of the column of liquid, r128 the diameter in micrometres and the pressure, pin surface tension of the liquid, millimetres of mercury. Work Item s – proposed revisions of this standard.

It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application.

No other units of measurement are included in this standard. Specifications subject to change without notice. Please login asrm your authorized staff account to use this feature. Model Ashm eliminates the need for the clumsy and difficult to use wet test meter. Enter your personal account email address to request a password reset: 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.


The right to access the electronic files r128 ASTM Standards is for purposes of viewing for individual use only. The Lawler proprietary Windows software manages the testing operation and all the data. Your comments will receive careful consideration at a meeting d128 the responsible technical committee, which you may attend. The automated pressure ramping profile generates the Dynamic Bubble Point pressure that is used to determine Pore Diameter of stainless steel and ceramic diffusers. ASTM D requires the recertification of the diffuser after 10 foam tests.

ASTM D recommends that the diffusers be tested when new and periodically thereafter, e1228 after each use. Remember me for one month. Search book title Enter keywords for book title search.

Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM Headquarters. Furthermore, the traditional analog flow meter is replaced by a digital mass flow meter that directly interacts with the software. Please sign into an account with a subscription to this content, or email for help at support madcad. Xstm the permeability as follows: This abstract is a brief summary of the referenced standard.