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ASTM D3050-07

(Guide)

Standard Guide for Measuring Soil Removal from Artificially Soiled Fabrics (Not Suitable for Detergent Ranking)

Standard Guide for Measuring Soil Removal from Artificially Soiled Fabrics (Not Suitable for Detergent Ranking)

SIGNIFICANCE AND USE
The guide, as now constituted, is not suitable for ranking of detergent products since no basis is available at this time for correlation of the detergency performance of any particular soiled cloth or clothes with detergency of naturally soiled articles.
A suggested procedure for comparing the performance of any two laundry detergents on naturally soiled family items in home laundry equipment under controlled conditions on a paired comparison basis is described in Method D 2960.
SCOPE
1.1 This is a guide for measuring the ability of detergents to remove artificially applied soils from 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 relative ranking of detergent products will vary greatly depending on the type of soiled fabrics used in the test. Therefore, selection of the standard soiled fabric to be used in a test shall be made by agreement between the interested parties on the basis of experience.
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
31-Dec-2006
ICS
59.080.30 - Textile fabrics
Technical Committee
D12 - Soaps and Other Detergents
Drafting Committee
D12.15 - Physical Testing
Current Stage
Ref Project

Relations

Replaces
ASTM D3050-05e1 - Standard Guide for Measuring Soil Removal from Artificially Soiled Fabrics (Not Suitable for Detergent Ranking)
Effective Date
01-Jan-2007
Replaced By
ASTM D3050-07(2015) - Standard Guide for Measuring Soil Removal from Artificially Soiled Fabrics (Not Suitable for Detergent Ranking)
Effective Date
01-May-2015
Referred By
ASTM D7225-13(2019)e1 - Standard Guide for Blood Cleaning Efficiency of Detergents and Washer-Disinfectors
Effective Date
01-Jan-2007

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ASTM D3050-07 - Standard Guide for Measuring Soil Removal from Artificially Soiled Fabrics (Not Suitable for Detergent Ranking)ASTM D3050-07 - Standard Guide for Measuring Soil Removal from Artificially Soiled Fabrics (Not Suitable for Detergent Ranking)
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ASTM D3050-07 - Standard Guide for Measuring Soil Removal from Artificially Soiled Fabrics (Not Suitable for Detergent Ranking)
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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:D3050 −07
StandardGuide for
Measuring Soil Removal from Artificially Soiled Fabrics (Not
1
Suitable for Detergent Ranking)
This standard is issued under the fixed designation D3050; 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 correlation of the detergency performance of any particular
soiled cloth or clothes with detergency of naturally soiled
1.1 This is a guide for measuring the ability of detergents to
articles.
remove artificially applied soils from fabrics. It is intended as
a laboratory screening test to aid in the formulation of 4.2 A suggested procedure for comparing the performance
detergent products, for quality control and as a basis between of any two laundry detergents on naturally soiled family items
the purchaser and seller in standardizing specific products’ in home laundry equipment under controlled conditions on a
performance. paired comparison basis is described in Method D2960.
1.2 The relative ranking of detergent products will vary
5. Apparatus
greatly depending on the type of soiled fabrics used in the test.
Therefore, selection of the standard soiled fabric to be used in 5.1 Laboratory Washer—A laboratory scale agitator-type
3
a test shall be made by agreement between the interested washing machine.
parties on the basis of experience.
5.2 Reflectometer, calibrated by means of standard vitreous
1.3 This standard does not purport to address all of the
enamel plaques having reflectances in the range of the fabric or
safety concerns, if any, associated with its use. It is the
swatch samples being measured.
responsibility of the user of this standard to establish appro-
priate safety and health practices and determine the applica-
6. Reagents and Materials
bility of regulatory limitations prior to use.
6.1 Purity of Reagents—Reagent grade chemicals shall be
used in all tests. Unless otherwise indicated, it is intended that
2. Referenced Documents
all reagents shall conform to the specifications of the Commit-
2
2.1 ASTM Standards:
tee onAnalytical Reagents of theAmerican Chemical Society,
D1193 Specification for Reagent Water 4
where such specifications are available. Other grades may be
D2960 Guide for Controlled Laundering Test Using Natu-
used, provided it is first ascertained that the reagent is of
rally Soiled Fabrics and Household Appliances
sufficiently high purity to permit its use without lessening the
accuracy of the determination.
3. Summary of Guide
6.2 Purity of Water—Unless otherwise indicated, references
3.1 Soiled fabric swatches are washed in a laboratory
to water shall be understood to mean Type IV reagent water
washer using the products being tested and the change in
conforming to Specification D1193.
reflectance is measured.
6.3 Hard Water Stock Solution—Prepare a hard water stock
4. Significance and Use
solution by dissolving 2.940 6 0.002 g of calcium chloride
dihydrate (CaCl ·2H O) and 2.033 6 0.002 g of magnesium
4.1 Theguide,asnowconstituted,isnotsuitableforranking 2 2
chloride hexahydrate (MgCl ·6H O) in about 300 mLof water.
of detergent products since no basis is available at this time for 2 2
Dilute to a volume of 1 L with additional water. This solution
1
This guide is under the jurisdiction of ASTM Committee D12 on Soaps and
Other Detergents and is the responsibility of Subcommittee D12.15 on Physical
3
Testing. The Terg-o-tometer, obtainable from the United States Testing Co., 1415 Park
Current edition approved Jan. 1, 2007. Published January 2007. Originally Ave., Hoboken, NJ, or its equivalent, has been found satisfactory for this purpose.
´1
4
approved in 1972. Last previous edition approved in 2005 as D3050 – 05 . DOI: Reagent Chemicals, American Chemical Society Specifications, American
10.1520/D3050-07. Chemical Society, Washington, DC. For suggestions on the testing of reagents not
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or listed by the American Chemical Society, see Analar Standards for Laboratory
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Chemicals, BDH Ltd., Poole, Dorset, U.K., and the United States Pharmacopeia
Standards volume information, refer to the standard’s Document Summary page on and National Formulary, U.S. Pharmacopeial Convention, Inc. (USPC), Rockville,
the ASTM website. MD.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
D3050−07
contains 3000 ppm hardness (expressed as calcium carbonate) 8. Instrumental Evaluations and Ca
...

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Standard Guide for Measuring Soil Removal from Artificially Soiled Fabrics (Not Suitable for Detergent Ranking)

SIGNIFICANCE AND USE
4.1 The guide, as now constituted, is not suitable for ranking of detergent products since no basis is available at this time for correlation of the detergency performance of any particular soiled cloth or clothes with detergency of naturally soiled articles.  
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5.1 In general, these procedures are more suitable for testing woven fabrics than knit fabrics.  
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4.2.1 In such cases, any references to the specifications should specify that: “This product meets ASTM specifications XXXX except for the following characteristic(s).”  
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5.1 This test method is considered satisfactory for acceptance testing of commercial shipments because it has been used extensively in the trade for that purpose.  
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