ASTM D1619-03

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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:D1619–03
Standard Test Methods for
1
Carbon Black—Sulfur Content
This standard is issued under the fixed designation D 1619; 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.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope 4. Reagents
4.1 Purity of Reagents—Reagent grade chemicals shall be
1.1 These test methods cover the determination of the sulfur
content of carbon black. The following test methods are used in all tests. Unless otherwise indicated, it is intended that
included: all reagents shall conform to the specifications of the Commit-
tee onAnalytical Reagents of theAmerican Chemical Society,
Sections
6
Test Method A High-Temperature Combustion With In- 6to13
where such specifications are available. Other grades may be
frared Absorption Detection Procedures
used, provided it is first ascertained that the reagent is of
Test Method B X-Ray Fluorescence 14
sufficiently high purity to permit its use without lessening the
1.2 The values stated in SI units are to be regarded as
accuracy of the determination.
standard.
4.2 Purity of Water— Unless otherwise indicated, refer-
1.3 This standard does not purport to address all of the
ences to water shall be understood to mean reagent water
safety concerns, if any, associated with its use. It is the
conforming to Specification D 1193.
responsibility of the user of this standard to establish appro-
priate safety and health practices and determine the applica- 5. Sampling
bility of regulatory limitations prior to use.
5.1 Samples shall be taken in accordance with Practice
D 1799 or Practice D 1900.
2. Referenced Documents
2.1 ASTM Standards: TEST METHOD A HIGH-TEMPERATURE
D 240 Test Method for Heat of Combustion of Liquid
COMBUSTION WITH INFRARED ABSORPTION
2
Hydrocarbon Fuels by Bomb Calorimeter DETECTION PROCEDURES
3
D 1193 Specification for Reagent Water
4
6. Summary of Test Method
D 1509 Test Methods for Carbon Black—Heating Loss
D 1799 Practice for Carbon Black—Sampling Packaged 6.1 The specimen is burned in a tube furnace at a minimum
4
operating temperature of 1350°C in a stream of oxygen to
Shipments
D 1900 Practice for Carbon Black—Sampling Bulk Ship- oxidize the sulfur. Moisture and particulates are removed from
4
the gas by traps filled with anhydrous magnesium perchlorate.
ments
D 4483 Practice for Determining Precision for Test Method The gas stream is passed through a cell in which sulfur dioxide
4
is measured by an infrared (IR) absorption detector. Sulfur
Standards in the Rubber and Carbon Black Industries
5
E 1 Specification for ASTM Thermometers dioxide absorbs IR energy at a precise wavelength within the
IR spectrum. Energy is absorbed as the gas passes through the
3. Significance and Use
cell body in which the IR energy is being transmitted. Thus, at
3.1 The total sulfur content of a carbon black is useful in the detector, less energy is received. All other IR energy is
calculations for reconstructing a rubber composition from eliminated from reaching the detector by a precise wavelength
analytical data. filter. Thus, the absorption of IR energy can be attributed only
to sulfur dioxide whose concentration is proportional to the
change in energy at the detector. One cell is used as both a
reference and a measurement chamber. Total sulfur as sulfur
1
These test methods are under the jurisdiction of ASTM Committee D24 on
Carbon Black and are the direct responsibility of Subcommittee D24.31 on
Non-Carbon-Black Components of Carbon Black.
6
Current edition approved July 10, 2003. Published August 2003. Originally Reagent Chemicals, American Chemical Society Specifications, American
approved in 1958. Last previous edition approved in 1999 as D 1619–99. Chemical Society, Washington, DC. For suggestions on the testing of reagents not
2
Annual Book of ASTM Standards, Vol 05.01. listed by the American Chemical Society, see Analar Standards for Laboratory
3
Annual Book of ASTM Standards, Vol 11.01. Chemicals, BDH Ltd., Poole, Dorset, U.K., and the United States Pharmacopeia
4
Annual Book of ASTM Standards, Vol 09.01. and National Formulary, U.S. Pharmaceutical Convention, Inc. (USPC), Rockville,
5
Annual Book of ASTM Standards, Vol 14.03. MD.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
D1619–03
dioxide is detected on a continuous basis. This test method is 11.2 Raise the furnace temperature as recommended by the
empirical. Therefore, the apparatus must be calibrated by the
...