1、BRITISH STANDARD BS 6092-0: 1981 Methods of Sampling and test for sodium and potassium silicates for industrial use Part 0: General introduction UDC 661.683/.684:546.32284 + 546.33284:543.062:543.05BS6092-0:1981 This British Standard, having been prepared under the directionof the Chemicals Standard
2、s Committee, was published under the authorityofthe Executive Boardand comes into effect on 27 February 1981 BSI 12-1999 The following BSI reference relates to the work on this standard: Committee reference CIC/22 ISBN 0 580 12033 3 Cooperating organizations The Chemicals Standards Committee, under
3、whose direction this British Standard was prepared, consists of representatives from the following: Association of Fatty Acid Distillers British Tar Industry Association Chemical Industries Association* Chemical Society (Analytical Division) Consumer Standards Advisory Committee of BSI Department of
4、 Health and Social Security Department of Industry (Laboratory of the Government Chemist) Fertiliser Manufacturers Association Ltd. Hydrocarbon Solvents Association Ministry of Agriculture, Fisheries and Food Ministry of Defence* National Sulphuric Acid Association Paintmakers Association of Great B
5、ritain Ltd. Royal Institute of Public Health and Hygiene Soap and Detergent Industry Association* Standardization of Tar Products Tests Committee The organizations marked with an asterisk in the above list, together with the following, were directly represented on the Technical Committee entrusted w
6、ith the preparation of this British Standard: Asbestos Cement Manufacturers Association Limited British Man-made Fibres Federation British Textile Employers Association Fabric Care Research Association Society of Glass Technology Amendments issued since publication Amd. No. Date of issue CommentsBS6
7、092-0:1981 BSI 12-1999 i Contents Page Cooperating organizations Inside front cover Foreword ii Table 1 Methods of test for sodium and potassium silicates: relationship between BS and international series 1 Publications referred to Inside back coverBS6092-0:1981 ii BSI 12-1999 Foreword This British
8、Standard has been prepared under the direction of the Chemicals Standards Committee and provides, in separate Parts, a comprehensive series of test methods for sodium and potassium silicates for industrial use, both in solid form and in aqueous solution. Although applicable to the materials in gener
9、al, it includes all the test methods required to assess compliance with the requirements of BS3984. This specification is in the process of being revised and, in accordance with current BSI policy, will no longer include test methods, which in the1966edition are given in appendices. In preparing thi
10、s standard, the opportunity has been taken to implement, without alteration, the majority of the International Standards describing test methods for sodium and potassium silicates. These have been prepared, with the active participation of the UK, by Subcommittee5of Technical Committee47, Chemistry,
11、 of the International Organization for Standardization (ISO). Although all such Parts are applicable to the materials in general, most of them also relate to requirements of BS3984 and replace the corresponding methods appended to that standard. There are, however, some test requirements in the spec
12、ification for which there are no corresponding International Standards and, in these cases, the relevant test methods from BS3984:1966 have been included, technically unchanged, as Parts10to12 of this standard. In this Part of BS6092, Table 1 gives the relationship of the other Parts of the standard
13、 to the corresponding International Standards. This Part also includes information on sampling which is technically equivalent that in ISO1686 “Sodium and potassium silicates for industrial use Samples and methods of test General” Additional information Ethanol The ethanol used in these determinatio
14、ns may be replaced for these purposes by industrial methylated spirits, 95% (V/V), complying with the requirements of BS3591. It should be noted that the use of industrial methylated spirits is governed by the Methylated Spirits Regulations, 1952 (S.I.1952, No2230) as amended by The Alcoholic Liquor
15、s (Amendment of Units and Methods of Measurement) Regulations1979 (S.I.1979, No1149). It is not permissible to use duty-free ethanol, received under the provisions of the Alcoholic Liquor Duties Act1979, Section10, for purposes for which industrial methylated spirits is an acceptable alternative for
16、 ethanol. Sampling. Approximately750g of material is required to carry out all the tests in the series. Not less than500g is required for the tests specified in BS3984. When sampling, precautions should be taken in order to avoid absorption of moisture and carbon dioxide by the samples, and it is ad
17、visable to store them in sealed containers. In the case of solid chemicals, the lumps, if any, should be crushed before mixing; precautions should be taken in order to avoid the absorption of moisture and carbon dioxide during crushing. NOTEAdditional guidance on sampling is given in BS5302-1, BS530
18、2-3 and BS5302-4. A British Standard does not purport to include all the necessary provisions of a contract. Users of British 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 d
19、ocument comprises a front cover, an inside front cover, pages i and ii, pages 1 and 2, an inside back cover and a back cover. 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.BS6092-0
20、:1981 BSI 12-1999 1 Table 1 Methods of test for sodium and potassium silicates: relationship between BS and international series BS 6092 Part no Corresponding International Standard no Subject Type of determination Relationship of International Standard to BS test method 0 General introduction (incl
21、uding sampling) Includes the sampling requirements of ISO1686 1686 Samples and methods of test: general Not to be implemented 1 1687 Solution density at 20 C Identical 2 1688 Total solids content Gravimetric Identical 1689 Calculation of silica/alkali ratio Disapproved by UK 3 1690 Silica content Gr
22、avimetric Identical 4 1691 Carbonate content Gas-volumetric Identical 5 1692 Total alkali content Titrimetric Identical 6 2122 Preparation of solutions of not readily soluble products and determination of matter insoluble in water Identical 2123 Dynamic viscosity Not implemented. Reference to be mad
23、e to BS 188 7 2124 Silica content Titrimetric Identical 8 3200 Sulphate content Gravimetric Identical 9 3201 Iron content Photometric (1,10-phenanthroline) Identical 10 Matter insoluble in water Gravimetric No equivalent 11 Chloride content Titrimetric International 12 Sulphate limit test Turbidimet
24、ric Standard 2 blankBS6092-0:1981 BSI 12-1999 Publications referred to BS 188, Methods for determination of viscosity of liquids. BS 3591, Industrial methylated spirits. BS 3984, Specification for sodium silicates. BS 6092-0: 1981 BSI 389 Chiswick High Road London W4 4AL BSIBritishStandardsInstituti
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