BS 684-2 4-1976 Methods of analysis of fats and fatty oils - Other methods - Calculation of total fatty matter《脂肪和油脂分析方法 第2部分 其他方法 第4节 总油脂物质计算》.pdf

1、BRITISH STANDARD CONFIRMED NOVEMBER 1992 BS 684-2.4: 1976 Methods of analysis of Fats and fatty oils Part 2: Other methods Section 2.4: Calculation of total fatty matter IMPORTANT NOTE. It is essential that this Section be read in conjunction with the information in the “General introduction” to BS

2、684, which is published separately. UDC 665.1.014:543:543.89BS684-2.4:1976 This British Standard, having been prepared under the directionof the Oils and Fats Standards Committee, was published under the authority ofthe Executive Board on 29October 1976 BSI 09-1999 The following BSI references relat

3、e to the work on this standard: Committee reference OFC/24 Draft for comment 74/54405 DC ISBN 0 580 09046 9 Amendments issued since publication Amd. No. Date of issue CommentsBS684-2.4:1976 BSI 09-1999 i Contents Page 1 Scope 1 2 Calculation 1 3 Test report 1BS684-2.4:1976 ii BSI 09-1999 A British S

4、tandard 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 document comprises a front cov

5、er, an inside front cover, pagesi andii, page1 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.BS684-2.4:1976 BSI 09-1999 1 1 Scope This Section describes a method

6、for the calculation of the total fatty matter. 2 Calculation Calculate the total fatty matter as a percentage by mass using the formula: 100(A + B + C) 3 Test report See the general instructions and recommendations in BS 684: General introduction. where A is the percentage, by mass, of water determi

7、ned either by the method described in BS684-1.16, for water contents of1%(m/m) or more; or by the method described in BS 684-2.1, for water contents in the range 0.05% to1%(m/m). B is the percentage, by mass, of ash determined by the method described in BS684-2.2 C is the percentage, by mass, of org

8、anic dirt determined by the appropriate method for the determination of organic dirt described in BS 684-2.3BS684-2.4: 1976 BSI 389 Chiswick High Road London W4 4AL BSIBritishStandardsInstitution BSI is the independent national body responsible for preparing BritishStandards. It presents the UK view

9、 on standards in Europe and at the international level. It is incorporated by Royal Charter. Revisions BritishStandards are updated by amendment or revision. Users of BritishStandards should make sure that they possess the latest amendments or editions. It is the constant aim of BSI to improve the q

10、uality of our products and services. We would be grateful if anyone finding an inaccuracy or ambiguity while using this BritishStandard would inform the Secretary of the technical committee responsible, the identity of which can be found on the inside front cover. Tel:02089969000. Fax:02089967400. B

11、SI offers members an individual updating service called PLUS which ensures that subscribers automatically receive the latest editions of standards. Buying standards Orders for all BSI, international and foreign standards publications should be addressed to Customer Services. Tel:02089969001. Fax:020

12、89967001. In response to orders for international standards, it is BSI policy to supply the BSI implementation of those that have been published as BritishStandards, unless otherwise requested. Information on standards BSI provides a wide range of information on national, European and international

13、standards through its Library and its Technical Help to Exporters Service. Various BSI electronic information services are also available which give details on all its products and services. Contact the Information Centre. Tel:02089967111. Fax:02089967048. Subscribing members of BSI are kept up to d

14、ate with standards developments and receive substantial discounts on the purchase price of standards. For details of these and other benefits contact Membership Administration. Tel:02089967002. Fax:02089967001. Copyright Copyright subsists in all BSI publications. BSI also holds the copyright, in th

15、e UK, of the publications of the international standardization bodies. Except as permitted under the Copyright, Designs and Patents Act 1988 no extract may be reproduced, stored in a retrieval system or transmitted in any form or by any means electronic, photocopying, recording or otherwise without

16、prior written permission from BSI. This does not preclude the free use, in the course of implementing the standard, of necessary details such as symbols, and size, type or grade designations. If these details are to be used for any other purpose than implementation then the prior written permission of BSI must be obtained. If permission is granted, the terms may include royalty payments or a licensing agreement. Details and advice can be obtained from the Copyright Manager. Tel:02089967070.