AS-2001.4.15-2006.pdf
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1、 1 AS 2001.4.152006 .au Australian Standard TM Methods of test for textiles Method 4.15: Colourfastness tests Determination of colourfastness to washing PREFACE This Standard was prepared by the Standards Australia Committee on Testing of Textiles to supersede AS 2001.4.151994. It is one of a series
2、 for determining the colourfastness of textiles to various agents. Changes in this edition include the requirements for the capacity of test canisters. This series of methods is largely based on the work of a technical committee of the International Organization for Standardization (ISO/TC 38/SC 1)
3、and has been adapted to suit Australian conditions. Twenty-four test procedures are described in this Standard. Test procedures A, B, C, F and G are parallel to procedures described in the following parts of ISO 105, TextilesTests for colourfastness: Part C01: Colourfastness to washingTest 1 Part C0
4、2: Colourfastness to washingTest 2 Part C03: Colourfastness to washingTest 3 Part C04: Colourfastness to washingTest 4 Part C05: Colourfastness to washingTest 5 The term normative has been used in this Standard to define the application of the appendix to which it applies. A normative appendix is an
5、 integral part of a Standard. METHOD 1 SCOPE This Standard sets out methods for determining the colourfastness of textiles to washing. Twenty-four test methods, listed in Table 1, are specified. This Standard is applicable to all textiles in all forms, provided that the textile is capable of withsta
6、nding the test conditions. 2 REFERENCED DOCUMENTS The following documents are referred to in this Standard: AS 2001 Methods of test for textiles 2001.1 Method 1: Conditioning procedures 2001.4.A01 Method 4.A01: Colourfastness testsGeneral principles of testing (ISO 105- A01:1994, MOD) AS 2001.4.1520
7、06 Accessed by UNIVERSITY OF SOUTH AUSTRALIA on 18 Jul 2007 AS 2001.4.152006 2 Standards Australia .au 2 3 PRINCIPLE A test specimen in contact with undyed cloths is agitated in a test solution. The test specimen and undyed cloths are rinsed and dried, and the change in colour of the test specimen a
8、nd the degree of staining of the undyed cloths are assessed. 4 REAGENTS AND TEST SOLUTIONS 4.1 Reagents 4.1.1 General Unless otherwise specified all reagents shall be of at least technical grade where applicable, and only distilled or deionized water shall be used. The reagents listed below are requ
9、ired, depending on the test method selected. 4.1.2 Standard soap Soap shall comply with the following requirements based, where appropriate, upon dry mass: (a) Maximum moisture content.50 g/kg (b) Maximum free alkali, calculated as Na2CO3.3 g/kg (c) Maximum free alkali, calculated as NaOH.1 g/kg (d)
10、 Maximum total fatty matter. 850 g/kg (e) Maximum titre of mixed fatty acids prepared from soap.30C (f) Maximum iodine value .50 The soap shall be free from fluorescent brighteners. 4.1.3 Sodium carbonate Anhydrous. 4.1.4 Sodium hypochlorite solution Commercial sodium hypochlorite solution containin
11、g approximately 125 g/L of available chlorine; freshly standardized before use, utilizing the method set out in Appendix A. This solution shall be used to prepare a dilute solution of sodium hypochlorite containing 5.0 g/L of available chlorine, which in turn is to be used within 4 h to prepare test
12、 solutions 3 and 7 as specified in Clauses 4.2.4 and 4.2.8, respectively. 4.1.5 Sodium silicate solution Containing approximately 290 g/L SiO2 and 90 g/L Na2O, and having a total solids content of approximately 380 g/L. NOTE: Grade N40 sodium silicate solutions conforms to requirements. Accessed by
13、UNIVERSITY OF SOUTH AUSTRALIA on 18 Jul 2007 AS 2001.4.152006 .au Standards Australia 3 4.1.6 ECE reference detergent Detergent without fluorescent brighteners, having the composition set out below. Component Composition % (m/m) (0.02%) Linear sodium alkyl benzene sulfonate (Mean length of alkane ch
14、ain C11.5). 8.0 Ethoxylated tallow alcohol (14 EO). 2.9 Sodium soap (chain length): C12 to C16 . . . 13% to 26% C18 to C22 . . .74% to 87% . 3.5 Sodium tripolyphosphate 43.7 Sodium silicate (SiO2/Na2O = 3.3/1) . 7.5 Magnesium silicate. 1.9 Sodium carboxymethylcellulose (SCMC) 1.2 EDTA sodium salt 0.
15、2 Sodium sulfate (anhydrous) 21.2 Water. 9.9 100.0 4.1.7 Sodium perborate tetrahydrate 4.1.8 Neutral detergent A neutral detergent approved for these tests. 4.1.9 Commercial hydrogen peroxide solution Commercial grade, preferably containing either 350 g/L or 500 g/L hydrogen peroxide; freshly standa
16、rdized before use, utilizing the method set out in Appendix B. This solution shall be used to prepare a dilute solution containing 50 g/L of hydrogen peroxide, which in turn is to be used to prepare test solutions 9 and 10 as specified in Clauses 4.2.10 and 4.2.11, respectively. NOTE: Other concentr
17、ations of commercial grade hydrogen peroxide may be used provided that the test solution requirements (see Clauses 4.2.10 and 4.2.11) are achieved. 4.2 Test solutions 4.2.1 General Where test solutions contain sodium hypochlorite, sodium perborate tetrahydrate or hydrogen peroxide, additions to the
18、pre-heated test solutions, as described in Clause 7(e), shall be made immediately prior to commencement of the test, since in solution these reagents decompose rapidly. 4.2.2 Test solution 1 Make up a solution of distilled or deionized water containing 5 g/L standard soap. Accessed by UNIVERSITY OF
19、SOUTH AUSTRALIA on 18 Jul 2007 AS 2001.4.152006 4 Standards Australia .au 4 4.2.3 Test solution 2 Make up a solution of distilled or deionized water containing (a) 5 g/L standard soap; and (b) 2 g/L sodium carbonate. 4.2.4 Test solution 3 Make up a solution of distilled or deionized water containing
20、 (a) 2 g/L standard soap; (b) 2 g/L sodium carbonate; (c) 2 g/L sodium silicate solution; and (d) sodium hypochlorite to give 0.10 g/L of available chlorine. 4.2.5 Test solution 4 Make up a solution of distilled or deionized water containing 4 g/L ECE reference detergent. Adjust to pH 10.5 0.2 using
21、 sodium carbonate. 4.2.6 Test solution 5 Make up a solution of distilled or deionized water containing (a) 4 g/L ECE reference detergent; and (b) 1 g/L sodium perborate tetrahydrate. 4.2.7 Test solution 6 Make up a solution of distilled or deionized water containing 4 g/L ECE reference detergent. 4.
22、2.8 Test solution 7 Make up a solution of distilled or deionized water containing (a) 4 g/L ECE reference detergent; and (b) sodium hypochlorite to give 0.10 g/L of available chlorine. 4.2.9 Test solution 8 Make up a solution of distilled or deionized water containing 2 g/L neutral detergent. 4.2.10
23、 Test solution 9 Make up a solution of distilled or deionized water containing (a) 5 g/L standard soap; and (b) a concentration of 2.5 g/L hydrogen peroxide. 4.2.11 Test solution 10 Make up a solution of distilled or deionized water containing (a) 4 g/L ECE reference detergent; and (b) a concentrati
24、on of 2.5 g/L hydrogen peroxide. 5 APPARATUS 5.1 Conditioning facility The apparatus specified in AS 2001.1, to provide and maintain a standard atmosphere, where conditioning is required. Accessed by UNIVERSITY OF SOUTH AUSTRALIA on 18 Jul 2007 AS 2001.4.152006 .au Standards Australia 5 5.2 Testing
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