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ASTM D5547-95(2009)

(Test Method)

Standard Test Method for Clay and Zeolite in Powdered Laundry Detergents by Atomic Absorption

Standard Test Method for Clay and Zeolite in Powdered Laundry Detergents by Atomic Absorption

ABSTRACT
This test method covers atomic absorption tests applicable to powdered laundry detergents containing clay and zeolite. The test sample is fused with lithium metaborate, dissolved in acid, its silicon and aluminum content measured by atomic absorption, and the silicon/aluminum (Si/Al) ratio calculated. The clay and zeolite content of the test sample is calculated from the Si/Al ratio of the test sample and the Si/Al ratio of the clay and zeolite expected in the test sample. This test method is based on the linear relationship between the relative composition (or ratio) of clay/zeolite in detergent powders and the Si/Al ratio of such detergents.
SCOPE
1.1 This test method covers atomic absorption tests applicable to powdered laundry detergents containing clay and zeolite.  
1.2 The values stated in SI units are to be regarded as the standard.
1.3 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
30-Sep-2009
ICS
71.100.40 - Surface active agents
Technical Committee
D12 - Soaps and Other Detergents
Drafting Committee
D12.12 - Analysis and Specifications of Soaps, Synthetics, Detergents and their Components
Current Stage
Ref Project

Relations

Replaces
ASTM D5547-95(2003) - Standard Test Method for Clay and Zeolite in Powdered Laundry Detergents by Atomic Absorption
Effective Date
01-Oct-2009
Replaced By
ASTM D5547-95(2017) - Standard Test Method for Clay and Zeolite in Powdered Laundry Detergents by Atomic Absorption
Effective Date
01-Jan-2017

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ASTM D5547-95(2009) - Standard Test Method for Clay and Zeolite in Powdered Laundry Detergents by Atomic AbsorptionASTM D5547-95(2009) - Standard Test Method for Clay and Zeolite in Powdered Laundry Detergents by Atomic Absorption
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ASTM D5547-95(2009) - Standard Test Method for Clay and Zeolite in Powdered Laundry Detergents by Atomic Absorption
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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: D5547 − 95 (Reapproved 2009)
Standard Test Method for
Clay and Zeolite in Powdered Laundry Detergents by Atomic
1
Absorption
This standard is issued under the fixed designation D5547; 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.
1. Scope 5. Principle
1.1 This test method covers atomic absorption tests appli- 5.1 Clay and zeolite contain silicon and aluminum at differ-
5
cable to powdered laundry detergents containing clay and ent relative levels. The silicon/aluminum ratio is then a
2
zeolite. measure of the relative level of clay and zeolite in detergent
powders. That is, detergent powders with a Si/Al ratio match-
1.2 The values stated in SI units are to be regarded as the
ing clay or zeolite contain only clay or zeolite, respectively.
standard.
Detergent powders with Si/Al ratio falling between the Si/Al
1.3 This standard does not purport to address all of the
ratio of clay and zeolite contain both clay and zeolite.
safety concerns, if any, associated with its use. It is the
5.2 This test method is based on the linear relationship
responsibility of the user of this standard to establish appro-
between the relative composition (or ratio) of clay/zeolite in
priate safety and health practices and determine the applica-
detergent powders and the Si/Al ratio of such detergents.
bility of regulatory limitations prior to use.
5.3 A calibration equation is derivable, therefore, from just
2. Referenced Documents
two experimental points: the Si/Al ratio of the zeolite standard
3
2.1 ASTM Standards: (100 zeolite, 0 % clay) and the Si/Al ratio of the clay standard
E180 Practice for Determining the Precision of ASTM (0 % zeolite, 100 % clay).
Methods for Analysis and Testing of Industrial and Spe-
4 6. Apparatus
cialty Chemicals (Withdrawn 2009)
6.1 Suitable Atomic Absorption Spectrophotometers, fitted
3. Summary of Test Method
with a nitrous oxide-acetylene burner and aluminum and
silicon hollow cathode source lamps.
3.1 The test sample is fused with lithium metaborate,
dissolved in acid, its silicon and aluminum content measured
6.2 Nitrous Oxide and Acetylene Tanks, with suitable regu-
by atomic absorption, and the silicon/aluminum (Si/Al) ratio
lators.
calculated. The clay and zeolite content of the test sample is
6.3 Muffle Furnace, capable of reaching 1000°C.
calculated from the Si/Al ratio of the test sample and the Si/Al
6.4 Analytical Balance.
ratio of the clay and zeolite expected in the test sample.
6.5 Fisher Burner or Equivalent.
4. Interferences
6.6 20-mL or Larger Platinum Crucibles.
4.1 Materials other than clay and zeolite that contain silicon
6.7 Platinum-tip Tongs.
or aluminum, or both, will interfere.
6.8 25-mL Buret.
1
This test method is under the jurisdiction of ASTM Committee D12 on Soaps
6.9 100-mL and 200-mL Polypropylene Volumetric Flasks.
and Other Detergents and is the direct responsibility of Subcommittee D12.12 on
6.10 10-mL and 25-mL Graduated Cylinders.
Analysis and Specifications of Soaps, Synthetics, Detergents and their Components.
Current edition approved Oct. 1, 2009. Published March 2010. Originally
6.11 150-mL Plastic Beakers.
approved in 1994. Last previous edition approved in 2003 as D5547 – 95(2003).
DOI: 10.1520/D5547-95R09.
6.12 Magnetic Stirrer and Magnetic Stirring Bars.
2
Silicon and aluminum measurements are by atomic absorption in this test
6 7
method. ICP can be used to make such measurements as well. 6.13 Blender, such as Waring or Osterizer or an industrial
3
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
lab model, or a mortar and pestle, if a blender is not available.
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Standards volume information, refer to the standard’s Document Summary page on
5
the ASTM website. The Si/Al ratio is usually about 1 in zeolites and about 3 in clays.
4
6
The last approved version of this historical standard is referenced on Waring blenders are available commercially.
7
www.astm.org. Osterizer blenders are widely available commercially.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
D5547 − 95 (2009)
7. Reagents 9.1.1 Accurately weigh 0.1 g (to the nearest 0.1 mg) of
zeolitestandard(thesamematerialexpectedinthetestsample)
7.1 Purity of Reagents—Reagents grade chemicals shall be
into a clean, dry, platinum crucible.Also accurately weigh 0.2
used in all tests. Unless otherwise indicated, it is intended that
g of clay standard (the same
...

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SCOPE
1.1 This guide provides direction for measuring the ability of detergents to prevent the deposition of soils from detergent solutions onto fabrics. It is intended as a laboratory screening test to aid in the formulation of detergent products, for quality control, and as a basis between the purchaser and seller in standardizing specific products' performance.  
1.2 The anti-soil deposition performance of detergent products will vary greatly depending on the type of soils and fabrics used in the test. Therefore, selection of the soils, fabrics, reference detergents, and test conditions shall be made by agreement between the interested parties on the basis of experience.  
1.3 There is no single or combination of oily soils or particulate soils, or both, that will precisely predict overall the performance of a product or treatment with respect to anti-redeposition as perceived by a consumer. This guide is intended to assess or compare detergent performance with respect to the anti-redeposition performance for the specific soil chosen.  
1.4 The values stated in either inch-pound or SI units are to be regarded separately as the standard. The values given in parentheses are for information only.  
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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. Material safety data sheets are available for reagents and materials. Review them for hazards prior to usage.  
1.6 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.

  • Guide
    4 pages
    English language
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  • Guide
    4 pages
    English language
    sale 15% off