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ASTM E1731-95(2001)

(Test Method)

Standard Test Method for Gravimetric Determination of Nonvolatile Residue from Cleanroom Gloves

Standard Test Method for Gravimetric Determination of Nonvolatile Residue from Cleanroom Gloves

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
Historical
Publication Date
14-Aug-1995
ICS
49.025.99 - Other materials
71.040.50 - Physicochemical methods of analysis
Technical Committee
E21 - Space Simulation and Applications of Space Technology
Drafting Committee
E21.05 - Contamination
Current Stage
Ref Project

Relations

Replaces
ASTM E1731-95e1 - Standard Test Method for Gravimetric Determination of Nonvolatile Residue from Cleanroom Gloves
Effective Date
15-Aug-1995
Replaced By
ASTM E1731-06 - Standard Test Method for Gravimetric Determination of Nonvolatile Residue from Cleanroom Gloves
Effective Date
01-Nov-2006
Referred By
ASTM G120-15(2023) - Standard Practice for Determination of Soluble Residual Contamination by Soxhlet Extraction
Effective Date
15-Aug-1995
Referred By
ASTM E2352-19 - Standard Practice for Aerospace Cleanrooms and Associated Controlled Environments—Cleanroom Operations
Effective Date
15-Aug-1995
Referred By
ASTM E2312-11(2019) - Standard Practice for Tests of Cleanroom Materials
Effective Date
15-Aug-1995
Referred By
ASTM E2900-19 - Standard Practice for Spacecraft Hardware Thermal Vacuum Bakeout
Effective Date
15-Aug-1995

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ASTM E1731-95(2001) - Standard Test Method for Gravimetric Determination of Nonvolatile Residue from Cleanroom GlovesASTM E1731-95(2001) - Standard Test Method for Gravimetric Determination of Nonvolatile Residue from Cleanroom Gloves
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ASTM E1731-95(2001) - Standard Test Method for Gravimetric Determination of Nonvolatile Residue from Cleanroom Gloves
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Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation:E1731–95 (Reapproved 2001)
Standard Test Method for
Gravimetric Determination of Nonvolatile Residue from
1
Cleanroom Gloves
This standard is issued under the fixed designation E 1731; 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 MIL-P-27401 Propellant, Pressurizing Agent, Nitrogen
MIL-STD-105D Sampling Procedures and Tables for In-
1.1 This test method covers the determination of solvent
spection by Attributes
extractable nonvolatile residue (NVR) from gloves used in
MIL-STD-1246B Product Cleanliness Levels and Contami-
cleanrooms where spacecraft are assembled, cleaned, or tested.
nation Control Program
1.2 The values stated in SI units are to be regarded as
5
2.3 Federal Standards :
standard.
Fed Spec O-E-00760 Ethyl Alcohol
1.3 The NVR of interest is that which can be extracted from
Fed Std 209E Airborne Particulate Classes for Cleanrooms
gloves using a specified solvent that has been selected for its
and Clean Zones
extracting qualities, or because it is representative of solvents
2.4 Other Documents:
usedintheparticularfacility.Alternativesolventsmaybeused,
IES-RP-CC005.2 Gloves and Finger Cots Used in Clean-
but since their use may result in different values being
6
rooms and Other Controlled Environments
generated, they must be identified in the procedure data sheet.
Industrial Ventilation, A Manual of Recommended Prac-
1.4 This standard does not purport to address all of the
7
tice
safety concerns, if any, associated with its use. It is the
responsibility of the user of this standard to establish appro-
3. Terminology
priate safety and health practices and determine the applica-
3.1 Definitions:
bility of regulatory limitations prior to use.
3.1.1 contamination, n—unwanted molecular or particulate
2. Referenced Documents matter that could affect or degrade the performance of the
components upon which they are deposited.
2.1 ASTM Standards:
2
3.1.2 contamination, n—a process of contaminant transport
D 1193 Specification for Reagent Water
or accretion, or both.
F 24 Test Method for Measuring and Counting Particulate
3
3.1.3 environmentally controlled area, n—cleanrooms,
Contamination on Surfaces
cleanfacilities,controlledworkareas,andotherenclosuresthat
F 50 Practice for Continuous Sizing and Counting of Air-
are designed to protect hardware from contamination. Clean-
borne Particles in Dust-Controlled Areas and Cleanrooms
liness is achieved by controlling airborne particulate matter,
Using Instruments Capable of Detecting Single Sub-
3
temperature, relative humidity, materials, garments, and per-
Micrometre and Larger Particles
sonnel activities. Guidelines for controlled areas can be found
G 120 Practice for Determination of Soluble Residual Con-
4
in Air Force T.O. 00-25-203 Table 3-1.
tamination by Soxhlet Extraction
5 3.1.4 high effıciency particulate air (HEPA), n—a term
2.2 Military Standards :
describing filters having an efficiency of 99.97 % for removal
Air Force T.O. 00-25-203 Contamination Control of Aero-
of 0.3-µm and larger particles. For this application, filters shall
space Facilities
meet the requirements of 2.3 and 6.1 of this test method.
MIL-F-51068F Filters, Particulate (High Efficiency, Fire
3.1.5 molecular contaminant (nonparticulate), n—may be
Resistant)
in a gaseous, liquid, or solid state. It may be uniformly or
nonuniformly distributed or be in the form of droplets. Mo-
lecular contaminants account for most of the NVR.
1
This test method is under the jurisdiction of ASTM Committee E21 on Space
Simulation andApplications of Space Technology and is the direct responsibility of
Subcommittee E21.05 on Contamination.
Current edition approved Aug. 15, 1995. Published October 1995.
2 6
Annual Book of ASTM Standards, Vol 11.01. Available from the Institute of Environmental Sciences, 940 E. Northwest
3
Annual Book of ASTM Standards, Vol 15.03. Hwy., Mount Prospect, IL 60056.
4 7
Annual Book of ASTM Standards, Vol 14.04. Available from Committee on Industrial Ventilation, American Conference of
5
AvailablefromStandardizationDocumentsOrderDesk,Bldg.4SectionD,700 Governmental Industrial Hygienists, 1330 Kemper Meadow Dr., Suite 600, Cincin-
Robbins Ave., Philadelphia, PA 19111-5098, Attn: NPODS. nati, OH 45240.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
E1731
3.1.6 NVR, n—that quantity of molecular matter remaining 6.3 Solvent, Ethanol.
after the filtration of a solvent containing contaminants, and 6.4 Analytical Balance, 0.01-
...

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5.1 The NVR obtained by this test method is that amount which is available for release by the gloves onto handled surfaces.  
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5.1 The NVR obtained by this test method is that amount which is available for release by wipers in normal use.  
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5.1 The NVR obtained by this test method is that amount which is available for release by the gloves onto handled surfaces.  
5.2 Evaporation of solvent at the stated temperature is to quantify the NVR that can be expected to exist at room temperature, since the slight difference between room temperature and the test temperature is not likely to result in significant variances.  
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