ASTM E1731M-95

Standard Test Method for Gravimetric Determination of Nonvolatile Residue from Cleanroom Gloves [Metric] (Withdrawn 2000)

SCOPE
1.1 This test method covers the determination of solvent extractable nonvolatile residue (NVR) from gloves used in cleanrooms where spacecraft are assembled, cleaned or tested.  
1.2 The values stated in SI units are to be regarded as standard.  
1.3 The NVR of interest is that which can be extracted from gloves using a specified solvent that has been selected for its extracting qualities, or because it is representative of solvents used in the particular facility. Alternative solvents may be used, but since their use may result in different values being generated, they must be identified in the procedure data sheet.  
1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. 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.

General Information

• Status: Withdrawn
• Publication Date: 31-Dec-1994
• Withdrawal Date: 09-Mar-2000
• ICS: 49.025.99 - Other materials
• ICS: 71.040.50 - Physicochemical methods of analysis
• Technical Committee: E21 - Space Simulation and Applications of Space Technology
• Drafting Committee: E21.05 - Contamination

Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
Designation: E 1731M – 95
METRIC
Standard Test Method for
Gravimetric Determination of Nonvolatile Residue from
1
Cleanroom Gloves [Metric]
This standard is issued under the fixed designation E 1731M; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope Air Force T.O. 00-25-203 Contamination Control of Aero-
space Facilities
1.1 This test method covers the determination of solvent
Mil-F-51068F Filters, Particulate (High Efficiency, Fire Re-
extractable nonvolatile residue (NVR) from gloves used in
sistant)
cleanrooms where spacecraft are assembled, cleaned or tested.
Mil-P-27401 Propellant, Pressurizing Agent, Nitrogen
1.2 The values stated in SI units are to be regarded as
Mil-Std-105D Sampling Procedures and Tables for Inspec-
standard.
tion by Attributes
1.3 The NVR of interest is that which can be extracted from
Mil-Std-1246B Product Cleanliness Levels and Contamina-
gloves using a specified solvent that has been selected for its
tion Control Program
extracting qualities, or because it is representative of solvents
6
2.3 Federal Standards :
used in the particular facility. Alternative solvents may be used,
Fed Spec O-E-00760 Ethyl Alcohol
but since their use may result in different values being
Fed Std 209E Airborne Particulate Classes for Cleanrooms
generated, they must be identified in the procedure data sheet.
and Clean Zones
1.4 This standard does not purport to address all of the
2.4 Other Documents:
safety concerns, if any, associated with its use. It is the
IES-RP-CC005.2 Gloves and Finger Cots Used in Clean-
responsibility of the user of this standard to establish appro-
rooms and Other Controlled Environments
priate safety and health practices and determine the applica-
Industrial Ventilation, A Manual of Recommended Practice
bility of regulatory limitations prior to use.
3. Terminology
2. Referenced Documents
3.1 Definitions:
2.1 ASTM Standards:
2
3.1.1 contamination, n—unwanted molecular or particulate
D 1193 Specification for Reagent Water
matter that could affect or degrade the performance of the
F 24 Test Method for Measuring and Counting Particulate
3
components upon which they are deposited.
Contamination on Surfaces
3.1.2 contamination, n—a process of contaminant transport
F 50 Practice for Continuous Sizing and Counting of Air-
or accretion, or both.
borne Particles in Dust-Controlled Areas and Cleanrooms
3.1.3 environmentally controlled area, n—cleanrooms,
Using Instruments Capable of Detecting Single Sub-
4
clean facilities, controlled work areas, and other enclosures that
Micrometre and Larger Particles
are designed to protect hardware from contamination. Clean-
G 120 Test Method for Determination of Soluble Residual
liness is achieved by controlling airborne particulate matter,
Contamination in Materials and Components by Soxhlet
5 temperature, relative humidity, materials, garments, and per-
Extraction
6
sonnel activities. Guidelines for controlled areas can be found
2.2 Military Standards :
in Air Force T.O. 00-25-203 Table 3-1.
3.1.4 high effıciency particulate air (HEPA), n—a term
describing filters having an efficiency of 99.97 % for removal
1
This test method is under the jurisdiction of ASTM Committee E-21 on Space
of 0.3 μm and larger particles. For this application, filters shall
Simulation and Applications of Space Technology and is the direct responsibility of
meet the requirements of 2.3 and 6.1 of this test method.
Subcommittee E21.05 on Contamination.
Current edition approved Aug. 15, 1995. Published October 1995. 3.1.5 molecular contaminant (nonparticulate), n—may be
2
Annual Book of ASTM Standards, Vol 11.01.
in a gaseous, liquid or solid state. It may be uniformly or
3
Discontinued. See 1992 Annual Book of ASTM Standards, Vol 10.05.
nonuniformly distributed, or be in the form of droplets.
4
Annual Book of ASTM Standards, Vol 15.03.
5
Molecular contaminants account for most of the NVR.
Annual Book of ASTM Standards, Vol 14.02.
6
Available from Standardization Documents Order Desk, Bldg. 4 Section D, 700
3.1.6 NVR, n—that quantity of molecular matter remaining
Robbins Ave., Philadelphia, PA 19111-5094, Attn: NPODS.
Copyright © ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959, United States.
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E 1731M
after the filtration of a solvent containing contaminants, and 6.4 Analytical balance, 0.01 mg readability, 0.1 mg preci-
evaporation of the solvent at a specified temperature. sion. Capacity to be determined by the user.
3.1.7 particle (particulate contaminant), n—a piece of mat- 6.5 Vacuum
...