ASTM E1157-87(2018)e1

This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
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Designation:E1157 −87(Reapproved 2018)
Standard Specification for
Sampling and Testing of Reusable Laboratory Glassware
This standard is issued under the fixed designation E1157; 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 (´) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the U.S. Department of Defense.
ε NOTE—Editorially updated the name of the document listed in 2.2 in January 2019.
1. Scope 2. Referenced Documents
2.1 ASTM Standards:
1.1 This specification covers laboratory items for use until
C162 Terminology of Glass and Glass Products
they are no longer considered functional for the intended
E542 Practice for Calibration of Laboratory Volumetric
purpose. It is written specifically for reusable items and is not
Apparatus
to be confused with disposable (single use) items that are
E671 Specification for Maximum Permissible Thermal Re-
described in other standards.
sidual Stress in Annealed Glass Laboratory Apparatus
1.2 This specification covers the sampling inspection and
2.2 ANSI/ASQ Standard:
basic testing criteria for the following four types of laboratory
ANSI/ASQ Z1.4 Sampling Procedures And Tables For In-
glassware: blown and pressed glassware, nongraduated;
spection By Attributes
blown and pressed glassware, graduated; tubular glassware,
nongraduated; and tubular glassware, graduated.
3. Terminology
1.3 This specification is intended to be used in conjunction
3.1 Definitions of Terms Specific to This Standard:
withastandardspecificationforaspecificlaboratoryglassware
3.1.1 lot—items of the same respective type, class, style,
product.
and size offered for acceptance at one time that have been
produced by one manufacturer under essentially the same
1.4 The following precautionary statement pertains only to
manufacturing conditions.
the test method portion, Section 6, of this specification. This
3.1.2 inspection—as both “examination” (such as visual
standard does not purport to address all of the safety concerns,
investigation without the use of special laboratory appliances
if any, associated with its use. It is the responsibility of the user
or procedure) and “testing” (determination by technical means
of this standard to establish appropriate safety, health, and
of physical and chemical properties) of the item.
environmental practices and determine the applicability of
regulatory limitations prior to use.
4. Performance Requirements
1.5 This international standard was developed in accor-
4.1 The product shall be designed to meet test performance
dance with internationally recognized principles on standard-
requirements specified in Section 6. Testing of individual lots
ization established in the Decision on Principles for the
may be obviated when process controls are employed and
Development of International Standards, Guides and Recom-
monitored. Deviation from or changes to established manufac-
mendations issued by the World Trade Organization Technical
turing procedures that could adversely affect performance of a
Barriers to Trade (TBT) Committee.
product shall be cause for performing applicable testing
requirements on a specific lot to verify quality acceptance.
4.2 Alternate testing methods, inspection levels, and sample
sizes may also be implemented.Any deviation shall not negate
This specification is under the jurisdiction of ASTM Committee E41 on
Laboratory Apparatus and is the direct responsibility of Subcommittee E41.01 on For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Laboratory Ware and Supplies. contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Current edition approved Dec. 1, 2018. Published January 2019. Originally Standards volume information, refer to the standard’s Document Summary page on
approved in 1987. Last previous edition approved in 2011 as E1157 – 87(2011). the ASTM website.
DOI: 10.1520/E1157-87R18E01. Available from American National Standards Institute (ANSI), 25 W. 43rd St.,
As defined in Terminology C162. 4th Floor, New York, NY 10036, http://www.ansi.org.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
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E1157−87(2018)
TABLE 1 Examination
5. Sampling and Inspection
Visual Inspection Acceptance
5.1 Sampling shall be conducted in accordance with ANSI/
Examination Level Quality Level
ASQ Z1.4 with the levels of inspection and examination and
Major defects 2 2.5
acceptable quality levels as noted in Tables 1-13 unless
Minor defects 2 4.0
Dimensional Examination S-3 2.5
otherwise agreed upon by purchaser and vendor. Where
applicable, distilled water and reagent grade chemicals shall be
used throughout the tests. Inspection shall be conducted in
TABLE 2 BLOWN OR PRESSED ITEMS (GRADUATED AND
accordance with applicable section and individual specifica-
NONGRADUATED)
tions.
Classification of Defects (Nongraduated)
Major:
6. Test Methods
101—Not free of cracks, unhealed chips, breaks or sharp edges.
6.1 Leakage Test—The item shall be filled to nominal
102—Not free of checks and open blisters.
103—Required components missing.
capacity with distilled water at 25 6 5 °C, normally capped or
104—Not free of protruding stones.
stoppered and laid on side for 60 s. No leakage shall result.
105—Not free of stones (buried) or knots that exceed dimensions in Table 9.
106—Required glass joints, rubber stoppers, stopcock plugs or closures not as
6.2 Permanency of Marking:
specified.
6.2.1 Alkali Test—A representative piece of each sample
107—Not within stress limits as defined in Specification E671.
Minor: shall be completely immersed in 1 N sodium hydroxide
201—Identification marking not complete, correct, legible, and permanent, (see
solution at room temperature, covered, boiled for 30 min, and
6.2).
allowed to stand in the alkali for an additional hour. The piece
202—Not free of blisters (buried) that exceed dimensions in Table 4, Table 8,
and Table 5. shall then be removed, thoroughly rinsed with distilled water,
203—Not free of wiry cord or deformation that affects intended use or
and dried by rubbing vigorously with a cloth. No appreciable
serviceability.
change in decoration appearance shall result. Loss of gloss
204—Not free of scale that exceeds dimensions in Table 8.
shall not be considered a defect.
6.2.2 Acid Test—Arepresentative piece of each sample shall
TABLE 3 Classification of Defects (Graduated)
be completely immersed in concentrated sulfuric acid at room
temperature and allowed to stand 1 h. The piece shall then be
Major:
101—Not free of cracks, unhealed chips, breaks or sharp edges.
removed, thoroughly rinsed with distilled water, and dried by
102—Not free of checks and open blisters.
rubbing vigorously with a cloth. No appreciable change in
103—Required components missing.
decoration appearance shall result. Loss of gloss shall not be
104—Not free of protruding stones.
105—Not free of stones (buried) or knots which exceed dimensions in Table 7.
considered a defect.
106—Required glass joints, rubber stoppers, stopcock plugs or closures not as
specified. 6.3 Capacity:
107—Capacity or graduation lines of wrong width, missing or not straight.
6.3.1 Blown or Pressed Items (Nongraduated) and Tubular
108—Not free of skips in graduation lines that exceed ⁄4 of the line length.
Glassware (Nongraduated)—Avolume of distilled water equal
109—On Class “A” items, the “A” or serial number (where specified) is missing.
110—Not free of blemishes in meniscus reading area that interfere with setting
to the capacity specified for the size shall be added to the item.
the meniscus.
The water level shall be between the shoulder and the neck of
111—Not within stress limits as defined in Specification E671.
the item or at the approximate point indicated in the specific
Minor:
201—Identification marking not complete, correct, legible or permanent (See standard for the item. The test shall be conducted at room
A
6.2).
temperature (25 6 5 °C).
202—Not free of skips in the graduation lines less than ⁄4 of the line length.
6.3.2 Blown or Pressed Items (Graduated) and Tubular
203—Not free of blisters (buried) which exceed dimensions in Table 4, Table 8,
and Table 5.
Glassware (Graduated)—Accuracy shall be as defined in
204—Not free of wiry cord or deformation that affects intended use or
appropriate item standard. Testing shall be conducted in
serviceability.
accordance with procedures in Practice E542.
205—Not free of scale that exceeds dimensions in Table 9.
A
Disregard minor smears, smudges or skips in letters or numbers that do not
6.4 Autoclaving—Items with respective cap or cover se-
destroy legibility.
cured shall be subject to three consecutive autoclaving cycles
at 15 psi for 30 min. Capped items shall be removed after each
autoclaving cycle and allowed to cool for 30 min before
repeatingtheheatingcycle.Autoclaveditemswithcaporcover
responsibility of product from complying with the applicable
shall be subjected to leakage test.Temperature shall be 121 °C.
test performance standards.
6.5 Pour Test—Fill the item to normal capacity with dis-
4.3 Unless otherwise specified in the contract or purchase
tilled water.Tilt at an angle of 45° and pour approximately one
order, the supplier shall be responsible for the performance of
fourth of the water from the item at such a rate that the water
all designated inspection requirements. Except as otherwise
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