ASTM D1833-87(2004)
(Test Method)Standard Test Method for Odor of Petroleum Wax
Standard Test Method for Odor of Petroleum Wax
SIGNIFICANCE AND USE
In some uses of petroleum wax, such as food packaging, odor intensity of the wax is an important property. For example, some description of limits on wax odor often appears in specifications for petroleum wax. The method given here provides a basis for agreement between laboratories on the odor intensity of wax using a numerical scale rather than descriptive terms. While the method is primarily intended for rating odor intensity, results can be influenced by odor type.
SCOPE
1.1 This test method covers a procedure for rating the odor intensity of waxes derived from petroleum.
1.2 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.
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An American National Standard
Designation:D1833–87 (Reapproved 2004) Technical Association of
Pulp and Paper Industry
Tentative Method T 654 ts-64
Designation: 185/65(85)
Standard Test Method for
Odor of Petroleum Wax
This standard is issued under the fixed designation D 1833; 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 in specifications for petroleum wax. The method given here
provides a basis for agreement between laboratories on the
1.1 This test method covers a procedure for rating the odor
odor intensity of wax using a numerical scale rather than
intensity of waxes derived from petroleum.
descriptive terms. While the method is primarily intended for
1.2 This standard does not purport to address all of the
rating odor intensity, results can be influenced by odor type.
safety concerns, if any, associated with its use. It is the
responsibility of the user of this standard to establish appro-
5. Apparatus
priate safety and health practices and determine the applica-
5.1 Scraper—A knife, vegetable scraper, or other sharp
bility of regulatory limitations prior to use.
instrument that can be cleaned easily. Mechanical devices that
2. Terminology produce thin shavings from wax, such as vegetable shredders
or chisel-shaped bits, may be used.
2.1 Definitions:
5.2 Paper—Odor-free paper or glassine for receiving the
2.1.1 odor (of a wax)— the numerical rating corresponding
wax shavings.
to the odor scale description that best fits the sample being
5.3 Bottles, 8-oz (250-mL) wide-mouth, with caps (for
tested.
alternative procedure only).
3. Summary of Test Method
6. Test Panel
3.1 Odor test specimens are prepared from petroleum wax
6.1 The odor test panel should consist of at least five people.
by placing approximately 10 g of thin shavings on odor-free
6.2 In selecting panel members for wax odor testing, the
paper or glassine. Individual test specimens are then evaluated
important factors to be considered are (1) agreement with the
for odor by each panel member and assigned the number
“true” rating, and (2) individual consistency. A method which
corresponding to the odor scale description best fitting the
may be used for checking these factors is given in the
intensity of the odor. As an alternative procedure, the wax
Appendix X1.
shavings are placed in bottles, with each panel member making
the odor evaluation between 15 and 60 min after the specimens
NOTE 1—Any members with respiratory infection should be omitted
are prepared. The average of the panel rating is reported as the
since sensitivity may be impaired.
odor rating of the sample.
7. Sample and Test Specimen
4. Significance and Use
7.1 The sample shall consist of a block of wax at room
4.1 In some uses of petroleum wax, such as food packaging, temperature, from which at least 100 g of shavings may be
odor intensity of the wax is an important property. For obtained.
example, some description of limits on wax odor often appears 7.2 The test specimen for evaluation by each panel member
shall consist of approximately 10 g of wax in thin shavings
obtained from the sample.
This test method is under the jurisdiction of ASTM Committee D02 on
Petroleum Products and Lubricants and is the direct responsibility of Subcommittee
8. Procedure
D02.10 on Properties of Petroleum Wax.
8.1 Scrape the surface of the sample to remove any foreign
Current edition approved May 1, 2004. Published June 2004. Originally
approved in 1961. Last previous edition approved in 1999 as D 1833–87 (1999).
material and discard those scrapings. Using a clean scraper,
This test method was adopted as a joint ASTM-IP Standard in 1965. In the IP, this
prepare test specimens of approximately 10 g each of wax in
method is under the jurisdiction of the Standardization Committee.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
D1833–87 (2004)
thin shavings, placing them on odor-free paper or glassine. corresponds to the odor intensity that best characterizes each
Obtain shavings that represent a cross section of the sample specimen.
being tested. Prepare one test specimen for each panel member.
NOTE 4—Panel members should not discuss odor test results until all
tests have been completed on a sample.
NOTE 2—Conduct odor tests in a room as free as possible from odor.
Avoid low relative humidity conditions, if possible, since it may cause 8.4 Individual panel members shall not evaluate a series of
difficulty in odor perception. more than three specimens at a time. Intervals of at least 15
min between each series shall be mandatory.
8.2 Each panel member shall make the odor evaluation
immediately after the shavings are prepared by placing the
9. Calculation
nostrils in contact with the shavings and sniffing lightly (Note
9.1 Calculate to the nearest 0.5 unit the average of the
3). An alternative procedure is permitted as follows: Immedi-
numerical ratings given to a sample by the panel members. If
ately after preparing the shavings,
...
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