|
EDITION
PUBLISHER
CONTENT TYPE
Act
Admin Code
Announcements
Bill
Book
CADD File
CAN
CEU
Charter
Checklist
City Code
Code
Commentary
Comprehensive Plan
Conference Paper
County Code
Course
DHS Documents
Document
Errata
Executive Regulation
Federal Guideline
Firm Content
Guideline
Handbook
Interpretation
Journal
Land Use and Development
Law
Legislative Rule
Local Amendment
Local Code
Local Document
Local Regulation
Local Standards
Manual
Model Code
Model Standard
Notice
Ordinance
Other
Paperback
PASS
Periodicals
PIN
Plan
Policy
Product
Product - Data Sheet
Program
Provisions
Requirements
Revisions
Rules & Regulations
Standards
State Amendment
State Code
State Manual
State Plan
State Standards
Statute
Study Guide
Supplement
Sustainability
Technical Bulletin
All
|
Description of ASTM-F1368 1992ASTM F1368-92Withdrawn Standard: Test Method for Determining the Sieving Performance of a Fluid Filter Medium Employing an Aqueous Suspension of Microspheres and a Spectrophotometer (Withdrawn 2001)ASTM F1368Scope 1.1 This test method covers thin filter media, especially membranes, in an effort to determine the largest particle a medium may let pass. 1.2 Batches of microspheres are used as test particles where, in any one batch, all of the microspheres are the same size, and, from one batch to the next the diameters range from 0.1 to 2 [mu]m. Filtration efficiency is determined by comparing the optical density of the feed stream to that of the filtrate, during separate filtration tests, with separate batches of microspheres. 1.3 By sieving filtration is meant that adsorptive filtration is minimized. That is, even though the length of the average pore (defined by the flow of fluid) may be a thousand times the diameter, the present procedure strives to minimize the capture of particles by the walls of the pores. To this end the procedure employs a surfactant in the suspension, a high velocity of the liquid, and a high concentration of test particles. 1.4 This procedure excludes those filter media with charged surfaces that are meant to enhance adsorptive filtration. 1.5 This standard does not purport to address all of the safety problems, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and to determine the applicability of regulatory limitations prior to use. 1.6 The values stated in SI units are to be regarded as the standard. Keywords Adsorptive filtration; Colorimetric analysis; Filters/filter procedures; Liquid filtration; Microspheres in liquid filtration; Particle size analysis-filter testing; Performance-filters; Sieve analysis; Sieving filtration; Spectrophotometry; sieving performance of fluid filter medium employing an aqueous; suspension of microspheres and spectrophotometer, test ICS Code ICS Number Code 71.040.30 (Chemical reagents) DOI: This book also exists in the following packages...Subscription InformationMADCAD.com ASTM Standards subscriptions are annual and access is unlimited concurrency based (number of people that can access the subscription at any given time) from single office location. For pricing on multiple office location ASTM Standards Subscriptions, please contact us at info@madcad.com or +1 800.798.9296.
Some features of MADCAD.com ASTM Standards Subscriptions are: - Immediate Access: As soon as the transaction is completed, your ASTM Standards Subscription will be ready for access.
For any further information on MADCAD.com ASTM Standards Subscriptions, please contact us at info@madcad.com or +1 800.798.9296.
About ASTMASTM International, formerly known as the American Society for Testing and Materials (ASTM), is a globally recognized leader in the development and delivery of international voluntary consensus standards. Today, some 12,000 ASTM standards are used around the world to improve product quality, enhance safety, facilitate market access and trade, and build consumer confidence. ASTM’s leadership in international standards development is driven by the contributions of its members: more than 30,000 of the world’s top technical experts and business professionals representing 150 countries. Working in an open and transparent process and using ASTM’s advanced electronic infrastructure, ASTM members deliver the test methods, specifications, guides, and practices that support industries and governments worldwide. |
GROUPS
|
|
MADCAD.com
by Compu-tecture, Inc.
|
Contact Us
3000 Connecticut Ave, NW
Suite 200
Washington, DC 20008
+1 800.798.9296
+1 202.265.1940
|
|
Partnerships
|