BS-5766-8-1983 ISO-6496-1983.pdf
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1、BRITISH STANDARD BS 5766-8: 1983 ISO 6496:1983 Methods for Analysis of animal feeding stuffs Part 8: Determination of moisture ISO title: Animal feeding stuffs Determination of moisture content UDC 636.085:543.812 Licensed Copy: sheffieldun sheffieldun, na, Mon Dec 04 14:29:01 GMT+00:00 2006, Uncont
2、rolled Copy, (c) BSI BS 5766-8:1983 This British Standard, having been prepared under the direction of the Food and Agriculture Standards Committee, was published under the authority of the Board of BSI and comes into effect on 30 December 1983 BSI 11-1999 The following BSI references relate to the
3、work on this standard: Committee reference FAC/14 Draft for comment 81/52998 DC ISBN 0 580 13565 9 Committees responsible for this British Standard The preparation of this British Standard was entrusted by the Food and Agriculture Standards Committee (FAC/-) to Technical Committee FAC/14 upon which
4、the following bodies were represented: Association of Fish Meal Manufacturers Association of Public Analysts Department of Trade and Industry (Laboratory of the Government Chemist) Grain and Feed Trade Association Limited Ministry of Agriculture, Fisheries and Food National Farmers Union Overseas De
5、velopment Administration (Tropical Development and Research Institute) Pet Food Manufacturers Association Royal Association of British Dairy Farmers United Kingdom Agricultural Supply Trade Association Ltd. Amendments issued since publication Amd. No.Date of issueComments Licensed Copy: sheffieldun
6、sheffieldun, na, Mon Dec 04 14:29:01 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 5766-8:1983 BSI 11-1999i Contents Page Committees responsibleInside front cover National forewordii 1Scope and field of application1 2References1 3Definition1 4Principle1 5Apparatus and material1 6Sampling1 7Procedure
7、1 8Expression of results2 9Test report3 Publications referred toInside back cover Licensed Copy: sheffieldun sheffieldun, na, Mon Dec 04 14:29:01 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 5766-8:1983 ii BSI 11-1999 National foreword This Part of BS 5766 has been prepared under the direction of t
8、he Food and Agriculture Standards Committee and is identical with ISO 6496:1983 “Animal feeding stuffs Determination of moisture content”, published by the International Organization for Standardization (ISO). In the United Kingdom, animal feeding stuffs are controlled by the Feeding Stuffs (Samplin
9、g and Analysis) Regulations 1982. The method in this Part of BS 5766 specifies a drying temperature of 103 1 C whereas that in the Regulations specifies 100 1 C. Terminology and conventions. The text of the International Standard has been approved as suitable for publication as a British Standard wi
10、thout deviation. Some terminology and certain conventions are not identical with those used in British Standards; attention is drawn especially to the following. The comma has been used as a decimal marker. In British Standards it is current practice to use a full point on the baseline as the decima
11、l marker. Wherever the words “International Standard” appear, referring to this standard, they should be read as “British Standard”. The Technical Committee has reviewed the provisions of ISO 6498:19831), to which reference is made in clause 2 and 7.1, and has decided that they are acceptable for us
12、e in conjunction with this standard. 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. Summ
13、ary of pages This document comprises a front cover, an inside front cover, pages i and ii, pages 1 to 4, 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 fr
14、ont cover. Cross-references International StandardsCorresponding British Standards ISO 662:1980BS 684 Methods of analysis of fats and fatty oils Section 1.10:1982 Determination of moisture and other volatile matter (Technically equivalent) ISO 665:1979BS 4289 Methods for the analysis of oilseeds Par
15、t 3:1978 Determination of moisture and volatile matter content (Identical) ISO 712:1979BS 4317 Methods of test for cereals and pulses Part 3:1980 Determination of moisture content of cereals and cereal products (routine method) (Technically equivalent) ISO 771:1977BS 4325 Methods for analysis of oil
16、seed residues Part 1:1978 Determination of moisture and volatile matter content (Technically equivalent) ISO 6540:1980BS 4317 Methods of test for cereals and pulses Part 15:1981 Determination of moisture content of maize (milled and whole) (Identical) 1) Referred to in the text as in course of prepa
17、ration. Licensed Copy: sheffieldun sheffieldun, na, Mon Dec 04 14:29:01 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 5766-8:1983 BSI 11-19991 1 Scope and field of application This International Standard specifies a method for the determination of the moisture (water and other volatile substances) c
18、ontent of animal feeding stuffs. The method is applicable to animal feeding stuffs with the exception of milk products; mineral substances; mixtures containing a considerable amount of milk products or mineral substances; the following simple animal feeding stuffs: animal and vegetable fats and oils
19、 (for which method A specified in ISO 662 is applicable), oilseeds (for which a method is specified in ISO 665), oilseed residues (for which a method is specified in ISO 771), cereals, except maize, and cereal products (for which a method is specified in ISO 712), maize (for which the reference meth
20、od specified in ISO 6540 is applicable). 2 References ISO 662, Animal and vegetable fats and oils Determination of moisture and volatile matter content. ISO 665, Oilseeds Determination of moisture and volatile matter content. ISO 712, Cereals and cereal products Determination of moisture content (Ro
21、utine reference method). ISO 771, Oilseed residues Determination of moisture and volatile matter content. ISO 6498, Animal feeding stuffs Preparation of test samples2). ISO 6540, Maize Determination of moisture content (on milled grains and on whole grains). 3 Definition moisture content of animal f
22、eeding stuffs the loss in mass on drying determined according to the procedure specified in this International Standard, and expressed as a percentage by mass of the product as received 4 Principle Determination of the loss in mass on drying under specified conditions depending on the nature of the
23、sample. 5 Apparatus and material Usual laboratory apparatus, and in particular: 5.1 Analytical balance 5.2 Container, of non-corrodible metal or glass, provided with a sufficiently tight-fitting lid, and having a surface allowing the test portion to be spread to about 0,3 g/cm2. 5.3 Electrically hea
24、ted oven, well ventilated, capable of being controlled at 103 1 C. 5.4 Electrically heated vacuum oven, capable of producing pressures below 13 kPa, provided with a thermostat and vacuum pump, and either a device for the introduction of dried air, or containing calcium oxide (CaO) as desiccant (300
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