1、BRITISH STANDARD BS 4267-0: 1987 Ammonium nitrate Part 0: General introduction UDC 661.525:546.39175:543BS4267-0:1987 This British Standard, having been prepared under the directionof the Chemicals Standards Committee, was published under the authority ofthe Board of BSI and comes intoeffect on 30 S
2、eptember 1987 BSI 10-1999 The following BSI references relate to the work on this standard: Committee reference CIC/21 Draft (ref. 86/53129) announced inBSI News September 1986 ISBN 0 580 16115 3 Committees responsible for this British Standard The preparation of this British Standard was entrusted
3、by the Chemicals Standards Committee (CIC/-) to Technical Committee CIC/21, upon which the following bodies were represented: British Coal British Pharmacopoeia Commission British Sulphate of Ammonia Federation Ltd Chemical Industries Association Fertiliser Manufacturers Association Ltd Ministry of
4、Defence Textile Institute Amendments issued since publication Amd. No. Date of issue CommentsBS4267-0:1987 BSI 10-1999 i Contents Page Committees responsible Inside front cover Foreword ii Table 1 Summary of revision of BS 4267 1 Publications referred to Inside back coverBS4267-0:1987 ii BSI 10-1999
5、 Foreword This Part of BS4267 has been prepared under the direction of the Chemicals Standards Committee. It explains the revision of the1968edition into Parts. It is initially intended to publish 10Parts of BS4267, which will collectively supersede the 1968edition. As each Part is published, the co
6、rresponding clause of BS4267:1968 will be withdrawn by amendment. The relationship of these Parts to the 1968edition of this standard and to International Standards is summarized inTable 1. Following the active participation of the UK in Sub-committee4, of Technical Committee47, Chemistry, of the In
7、ternational Organization for Standardization (ISO) and in accordance with BSI policy, two international methods of test, approved by the UK, are now published as separate, dual-numbered Parts of BS4267. The main changes to the 1968edition are as follows: a) the method for the determination of iron c
8、ontent has been excluded as it is no longer used; b) the method for the determination of total carbon content has been omitted; it is intended that it be replaced by a method which is the subject of current study; c) the colorimetric method for the determination of chloride content has now been supp
9、lemented with a potentiometric method; d) international methods have been implemented, if approved by the UK. In addition to the methods of test for ammonium nitrate referred to in this Part of BS4267, there are certain methods which have been developed by ISO Technical Committee134, Fertilizers and
10、 soil conditioners, which are applicable to ammonium nitrate for general industrial use as well as that used specifically for fertilizers. Such methods, which are published or in preparation as Sections and Subsections of BS5551, provide alternative methods for some determinations or the means of de
11、termining other properties. Attention is drawn to BS5551-3.4, BS5551-3.5 1)and BS5551-4.1.1. 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 no
12、t 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 cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This w
13、ill be indicated in the amendment table on the inside front cover. 1) In preparation.BS4267-0:1987 BSI 10-1999 1 Table 1 Summary of revision of BS 4267 Current revision of BS 4267 Titles BS 4267:1968 edition Corresponding International Standard Part 0 General introduction Part 1 a Method for determi
14、nation of ammoniacal nitrogen content Clause 2 s ISO 5314 Part 2 a Method for determination of total nitrogen content Clause 3 s ISO 5315 Part 3 Method for measurement of pH value Clause 4 N ISO 2365 Part 4 Method for determination of sulphated ash Clause 5 Part 5 Method for determination of matter
15、insoluble in water Clause 6 N ISO 2995 Part 6 Method for determination of water content Clause 8 s ISO 5791 Part 7 Methods for determination of nitrite content Clause 9 Part 8 Methods for determination of chloride content Clause 10 s ISO 6227 Part 9 Method for determination of sulphate content Claus
16、e 12 s ISO 3329 NOTEN indicates “identical”. s indicates “related”. a In preparation.2 blankBS4267-0:1987 BSI 10-1999 Publications referred to BS 4267:1968, Methods of test for ammonium nitrate. BS 4267, Ammonium nitrate. BS 4267-0, General introduction. BS 4267-1, Method for determination of ammoni
17、acal nitrogen content 2) . BS 4267-2, Method for determination of total nitrogen content 2) . BS 4267-3, Method for measurement of pH value. BS 4267-4, Method for determination of sulphated ash. BS 4267-5, Method for determination of matter insoluble in water. BS 4267-6, Method for determination of
18、water content. BS 4267-7, Methods for determination of nitrite content. BS 4267-8, Methods for determination of chloride content. BS 4267-9, Method for determination of sulphate content. BS 5551, Fertilizers. BS 5551-3.4, Method for determination of oil retention of high nitrogen content, straight a
19、mmonium nitrate fertilizers. BS 5551-3.5, Test sieving 2) . BS 5551-4.1.1, Nitron gravimetric method for determination of nitrate nitrogen. ISO 2365, Ammonium nitrate for industrial use measurement of pH value Potentiometric method. ISO 2995, Ammonium nitrate for industrial use Determination of matt
20、er insoluble in water Gravimetric method. ISO 3329, Ammonium nitrate for industrial use Determination of sulphur compounds Method by reduction and titrimetry. ISO 5314, Fertilizers Determination of ammoniacal nitrogen content Titrimetric method after distillation. ISO 5315, Fertilizers Determination
21、 of total nitrogen content Titrimetric method after distillation. ISO 5791, Ammonium nitrate for industrial use Determination of water content Karl Fischer method. ISO 6227, Chemical products for industrial use General method for determination of chloride ions Potentiometric method. 2) In preparatio
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