Standard Terminology Relating to the Compatibility and Sensitivity of Materials in Oxygen Enriched Atmospheres

SCOPE
1.1 This terminology defines terms related to the compatibility and sensitivity of materials in oxygen enriched atmosphere. It includes those standards under the jurisdiction of ASTM Committee G04.  
1.2 The terminology concentrates on terms commonly encountered in and specific to practices and methods used to evaluate the compatibility and sensitivity of materials in oxygen. This evaluation is usually performed in a laboratory environment, and this terminology does not attempt to include laboratory terms.

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Historical
Publication Date
09-Mar-2000
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ASTM G126-00 - Standard Terminology Relating to the Compatibility and Sensitivity of Materials in Oxygen Enriched Atmospheres
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
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Designation:G126–00
Standard Terminology Relating to the
Compatibility and Sensitivity of Materials in Oxygen
1
Enriched Atmospheres
This standard is issued under the fixed designation G 126; 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 G 121 Practice for Preparation of Contaminated Test Cou-
2
pons for the Evaluation of Cleaning Agents
1.1 This terminology defines terms related to the compat-
G 122 Test Method for Evaluating the Effectiveness of
ibility and sensitivity of materials in oxygen enriched atmo-
2
Cleaning Agents
spheres. It includes those standards under the jurisdiction of
G 124 Test Method for Determining the Combustion Be-
ASTM Committee G-4.
havior of Metallic Materials in Oxygen-Enriched Atmo-
1.2 The terminology concentrates on terms commonly en-
2
spheres
countered in and specific to practices and methods used to
G 125 Test Method for Measuring Liquid and Solid Mate-
evaluate the compatibility and sensitivity of materials in
2
rial Fire Limits in Gaseous Oxidants
oxygen. This evaluation is usually performed in a laboratory
G 127 Guide for the Selection of Cleaning Agents for
environment, and this terminology does not attempt to include
2
Oxygen Systems
laboratory terms.
G 128 Guide for Control of Hazards and Risks in Oxygen
2
2. Referenced Documents
Enriched Systems
G 131 Practice for Cleaning of Materials and Components
2.1 ASTM Standards:
2
by Ultrasonic Techniques
G63 Guide for Evaluating Nonmetallic Materials for Oxy-
2
G 136 Practice for Determination of Soluble Residual Con-
gen Service
2
taminants in Materials by Ultrasonic Extraction
G72 Test Method for Autogenous Ignition Temperature of
G 144 Test Method for Determination of Residual Contami-
Liquids and Solids in a High-Pressure Oxygen-Enriched
2
nation of Materials and Components by Total Carbon
Environment
Analysis Using a High Temperature Combustion Ana-
G 74 Test Method for Ignition Sensitivity of Materials to
2
2
lyzer
Gaseous Fluid Impact
G 145 Guide for Studying Fire Incidents in Oxygen Sys-
G 86 Test Method for Determining Ignition Sensitivity of
2
tems
Materials to Mechanical Impact in Pressurized Oxygen
2
Environments
3. Terminology
2
G88 Guide for Designing Systems for Oxygen Service
3.1 Definitions:
G93 Practice for Cleaning Methods for Material and
2
Equipment Used in Oxygen-Enriched Environments
autoignition temperature (AIT), n—the lowest temperature
2
G94 Guide for Evaluating Metals for Oxygen Service
at which a material will spontaneously ignite in an oxygen-
G114 PracticeforAgingOxygen-ServiceMaterialsPriorto
enriched atmosphere under specific test conditions.
2
Flammability Testing
G63,G72,G94, G 128
G 120 Practice for Determination of Soluble Residual Con-
contaminant, n—unwanted molecular or particulate matter
tamination in Materials and Components by Soxhlet Ex-
that could adversely affect or degrade the operation, life, or
2
traction
reliability of the systems or components upon which it
resides. G93, G 120, G 121, G 131, G 136, G 144
contaminate, v—to make unfit for use, either intentionally or
1
unintentionally, by introduction of a contaminant. G 131,
This terminology is under the jurisdiction of ASTM Committee G04 on
Compatibility and Sensitivity of Materials in Oxygen EnrichedAtmospheres and is
G 136
the direct responsibility of Subcommittee G04.03 on Terminology.
contamination, n—(1) the amount of unwanted molecular or
Current edition approved March 10, 2000. Published June 2000. Originally
particulate matter in a system; (2) the process or condition of
published as G 126 – 94. Last previous edition G 126 – 94.
2
Annual Book of ASTM Standards, Vol 14.04. being contaminated.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

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G126–00
DISCUSSION—Contamination and cleanliness are opposing properties:
nonvolatile residue (NVR), n—molecular or particulate mat-
increasing cleanliness implies decreasing contamination.
ter remaining following the filtration and controlled evapo-
G93, G 120, G 121, G 131, G 136, G 144
ration of a liquid containing contaminants.
G 120, G 121, G 131, G 136, G 144
control coupon (also witness coupon), n—(1) a coupon made
operating pressure, n—the pressure expected under normal
fromthesamematerialandpreparedinexactlythesameway
operating conditions. G63,G94
as the test coupons which is used to verify the validity of the
operating temperature, n—the temperature expected under
method or part thereof (G 120, G 131); (2) a coupon made
normal oper
...

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