ASTM C1052-01

Standard Practice for Bulk Sampling of Liquid Uranium Hexafluoride

SCOPE
1.1 This practice covers methods for withdrawing representative samples of liquid uranium hexafluoride (UF6) from bulk quantities of the material. Such samples are used for determining compliance with the applicable commercial specification, for example Specification C 787 and Specification C 996.
1.2 It is assumed that the bulk liquid UF6 being sampled comprises a single quality and quantity of material. This practice does not address any special additional arrangements that might be required for taking proportional or composite samples, or when the sampled bulk material is being added to UF6 residues already in a container ("heels recycle").
1.3 The number of samples to be taken, their nominal sample weight, and their disposition shall be agreed upon between the parties.
1.4 The scope of this practice does not include provisions for preventing criticality incidents.
1.5 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: 09-Jun-2001
• ICS: 27.120.30 - Fissile materials and nuclear fuel technology
• Technical Committee: C26 - Nuclear Fuel Cycle
• Drafting Committee: C26.02 - Fuel and Fertile Material Specifications

Relations

• Replaces: ASTM C1052-96 - Standard Practice for Bulk Sampling of Liquid Uranium Hexafluoride
• Effective Date: 10-Jun-2001
• Replaced By: ASTM C1052-01(2007) - Standard Practice for Bulk Sampling of Liquid Uranium Hexafluoride
• Effective Date: 01-Jun-2007
• Referred By: ASTM C787-20 - Standard Specification for Uranium Hexafluoride for Enrichment
• Effective Date: 10-Jun-2001
• Referred By: ASTM C1845-16 - Standard Practice for The Separation of Lanthanide Elements from Uranium Matrices Using High Pressure Ion Chromatography (HPIC) for Isotopic Analyses by Inductively Coupled Plasma Mass Spectrometry (ICP-MS)
• Effective Date: 10-Jun-2001
• Referred By: ASTM C1703-18(2023) - Standard Practice for Sampling of Gaseous Uranium Hexafluoride for Enrichment
• Effective Date: 10-Jun-2001
• Referred By: ASTM C1913-21 - Standard Practice for Sampling Gaseous Uranium Hexafluoride Using Zeolite in Single-Use Destructive Assay Sampler
• Effective Date: 10-Jun-2001
• Referred By: ASTM C1842-16 - Standard Test Method for The Analysis of Boron and Silicon in Uranium Hexfluoride via Fourier-Transform Infrared (FTIR) Spectroscopy
• Effective Date: 10-Jun-2001
• Referred By: ASTM C996-20 - Standard Specification for Uranium Hexafluoride Enriched to Less Than 5&#x2009;%&#x2009;<sup > 235</sup>U
• Effective Date: 10-Jun-2001
• Referred By: ASTM C1880-19 - Standard Practice for Sampling Gaseous Uranium Hexafluoride using Alumina Pellets
• Effective Date: 10-Jun-2001
• Referred By: ASTM C1689-21 - Standard Practice for Subsampling of Uranium Hexafluoride
• Effective Date: 10-Jun-2001
• Referred By: ASTM C1883-19 - Standard Practice for Sampling of Gaseous Enriched Uranium Hexafluoride
• Effective Date: 10-Jun-2001

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: C 1052 – 01
Standard Practice for
1
Bulk Sampling of Liquid Uranium Hexafluoride
This standard is issued under the fixed designation C 1052; 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 ISO/DIS 7195 Packaging of Uranium Hexafluoride (UF )
6
4
for Transport
1.1 This practice covers methods for withdrawing represen-
tative samples of liquid uranium hexafluoride (UF ) from bulk
6
3. Terminology
quantities of the material. Such samples are used for determin-
3.1 Definitions of Terms Specific to This Standard:
ing compliance with the applicable commercial specification,
3.1.1 container—the bulk vessel either holding or receiving
for example Specification C 787 and Specification C 996.
by transfer, the UF to be sampled; it may consist of, for
6
1.2 It is assumed that the bulk liquid UF being sampled
6
example, a fixed vessel in a UF handling plant or a cylinder to
6
comprises a single quality and quantity of material. This
be used for the transport of UF .
6
practice does not address any special additional arrangements
3.1.2 sample bottle—the small vessel into which the sample
that might be required for taking proportional or composite
of UF is withdrawn for transfer to the laboratory for charac-
6
samples, or when the sampled bulk material is being added to
terization.
UF residues already in a container (“heels recycle”).
6
1.3 The number of samples to be taken, their nominal
4. Summary of Practice
sample weight, and their disposition shall be agreed upon
4.1 Two methods of withdrawing a sample are described,
between the parties.
namely: (1) direct withdrawal from a filled container and (2)
1.4 The scope of this practice does not include provisions
withdrawal from the inlet-line during the filling of a container
for preventing criticality incidents.
by liquid transfer. The first method involves tilting or turning
1.5 This standard does not purport to address all of the
the container in such a way that its valve is below the surface
safety concerns, if any, associated with its use. It is the
of the liquefied UF , and dependent on the equipment, this
6
responsibility of the user of this standard to establish appro-
requires that the container holds more than a specified mini-
priate safety and health practices and determine the applica-
mum quantity of UF . Liquid UF is withdrawn into a
6 6
bility of regulatory limitations prior to use.
graduatedvolumeandthentransferredtotherespectivesample
2. Referenced Documents bottle(s). In the second method, a small proportion of the UF
6
flowing from one container to another is withdrawn into a
2.1 ASTM Standards:
graduatedvolumeandthentransferredtotherespectivesample
C 787 Specification for Uranium Hexafluoride for Enrich-
2 bottle(s).
ment
4.2 For both methods of sampling, the presence of residues
C 996 Specification for Uranium Hexafluoride Enriched to
235 2 may have significant implications for the quality of the UF .
6
Less Than 5 % U
For safety and quality reasons, containers and bottles shall be
2.2 Other Documents:
clean, dry, and empty before filling.
USEC-651 Uranium Hexafluoride:AManual of Good Han-
3 4.3 Various types of sample bottles are in use and are
dling Practices
described in detail in the applicable national and international
ANSI N14.1 Uranium Hexafluoride: Packaging for Trans-
4
standards, for example,ANSI N14.1 and ISO/DIS 7195. For a
port
given type of sample bottle, the detailed configuration, for
example, valve orientation, terminal fittings, and the like, may
1
This practice is under the jurisdiction of ASTM Committee C26 on Nuclear vary.Hence,thetypeandconfigurationofbottlestobeusedfor
Fuel Cycle and is the direct responsibility of Subcommittee C26.02 on Fuel and
the withdrawal of samples shall be agreed upon between the
Fertile Material Specifications.
parties.
Current edition approved June 10, 2001. Published September 2001. Originally
published as C 1052 – 85. Last previous edition C 1052 – 96.
2
5. Significance and Use
Annual Book of ASTM Standards, Vol 12.01.
3
AvailablefromUnitedStatesEnrichmentCorp.,6903RockledgeDr.,Bethesda,
5.1 Uraniumhexafluorideisnormallyproducedandhandled
MD 20817.
in large (typically 1- to 14-ton) quantities and must, therefore,
4
Available from American National Standards Institute, 11 W. 42nd St., 13th
be characterized by reference to representative samples. The
Floor, New York, NY 10036.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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C 1052
quantities involved, physical properties,
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