BS 1914-1990 Specification for toilet soap《香皂规范》.pdf
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1、BRITISH STANDARD BS 1914:1990 Specification for Toilet soapBS1914:1990 This British Standard, having been prepared under the directionof the Chemicals Standards Policy Committee, waspublished under the authorityof the Board of BSI andcomes into effect on 31 October 1990 BSI 08-1999 First published F
2、ebruary 1953 Second edition July 1966 Third edition December 1973 Fourth edition March 1984 Fifth edition October 1990 The following BSI references relate to the work on this standard: Committee reference CIC/34 Draft for comment 89/55507 DC ISBN 0 580 18723 3 Committees responsible for this British
3、 Standard The preparation of this British Standard was entrusted by the Chemicals Standards Policy Committee (CIC/-) to Technical Committee CIC/34, upon which the following bodies were represented: Chemical Industries Association Chemical Industries Association (GOSIP) Consumer Policy Committee of B
4、SI Department of Trade and Industry (Laboratory of the Government Chemist) Ministry of Defence Royal Society of Chemistry Soap and Detergent Industry Association Society of Dyers and Colourists Amendments issued since publication Amd. No. Date CommentsBS1914:1990 BSI 08-1999 i Contents Page Committe
5、es responsible Inside front cover Foreword ii 1 Scope 1 2 Classification 1 3 Properties 1 Appendix A Determination of free caustic alkali content 2 Table 1 Properties and test methods 1 Publications referred to Inside back coverBS1914:1990 ii BSI 08-1999 Foreword This revision of BS 1914 has been pr
6、epared under the direction of the Chemicals Standards Policy Committee. It supersedes the 1984 edition of BS1914, which is withdrawn and from which it differs principally in that the references to test methods have been changed to take account of the partial revision of BS1715:1963, and that the req
7、uirement for rosin acids content has been deleted. This British Standard is one of a series dealing with various kinds of soap. Other standards in the series are as follows: BS 1545, Specification for liquid toilet soap. BS 1911, Specification for hard soap. BS 1912, Specification for soap flakes. B
8、S 1913, Specification for soft soap. BS 4405, Specification for liquid soap. Toilet soap is differentiated from hard soap by its higher soap content and its greater variety of colour and perfume. A British Standard does not purport to include all the necessary provisions of a contract. Users of Brit
9、ish Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, pages1 and 2, an inside back cover and a back cove
10、r. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover.BS1914:1990 BSI 08-1999 1 1 Scope This British Standard specifies requirements and gives corresponding test methods for three types
11、 of toilet soap. The standard is not applicable to carbolic soap or speciality soaps such as transparent soap, medicated soap or sea-water soap. NOTEThe titles of the publications referred to in this standard are listed on the inside back cover. 2 Classification Three types of toilet soap are classi
12、fied (see Table 1). Type A is a more strictly specified material, type B is suitable for all general purposes and type S contains a specified proportion of its total fatty matter as free fatty acids and therefore contains no free caustic alkali. Types A and B usually contain very little free fatty a
13、cid. 3 Properties 3.1 The contents of the soaps to which this BritishStandard refers shall be as given in Table 1. Compliance shall be checked by the methods given in Table 1 using analysis samples prepared as described in BS1715-1. 3.2 In the case of the properties listed in items 3 to6 of Table 1,
14、 the actual results obtained by the specified methods of test shall be recalculated in relation to the specified minimum total fatty matter(seeTable 1, item 1) by means of the equation: Recalculated result = NOTERecalculation of the results is necessary because the soaps are liable to lose moisture
15、on keeping. Table 1 Properties and test methods Actual result Specified minimum total fatty matter content Actual total fatty matter content - Property Content Test method Type A Type B Type S % (m/m) % (m/m) % (m/m) 1. Total fatty matter content min. 78.0 76.5 79.0 Described in BS 1715-2.1 2. Lauri
16、c oils (e.g. palm kernel oil, coconut oil, Babassu oil) fatty acids content. Expressed as content of acids derived from lauric oils, calculated on total fatty matter, min. 13.0 No requirement 13.0 Described in BS 684-2.34 and BS 684-2.35 3. Ethanol-insoluble matter content max. 1.25 2.5 2.0 Describe
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