BS 1309:1974
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
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Methods of sampling and chemical testing of leather
Hardcopy , PDF
English
12-03-1974
10-11-2010
Co-operating organizations
Foreword
Methods
0 General instructions and recommendations
1 Sampling
2 Preparation of sample by grinding
3 Determination of volatile matter
4 Determination of substances (fats and other
solubles) soluble in dichloromethane
5 Determination of water-soluble matter, water-soluble
inorganic matter, and water-soluble organic matter
6 Determination of sulphated total ash and sulphated
water-insoluble ash
7 Determination of nitrogen and hide substance
8 Determination of chromic oxide
9 Determination of pH value and difference figure of
an aqueous extract
10 Determination of glucose
11 Determination of water-soluble magnesium salts
(Epsom salts)
Figures
1 Sampling location for whole skins, sides and hides
2 Sampling location for bends (or butts)
3 Sampling location for shoulders
4 Sampling location for bellies
Table
1 Munson and Walker's table for equivalent glucose
content
Sampling from whole pieces of leather, preparation of the sample. 13 chemical methods of test. Based on methods of Society of Leather Technologists and Chemists and International Union of Leather Technologists\' and Chemists\' Societies.
| Committee |
TCI/69
|
| DevelopmentNote |
Supersedes 68/4618 DC. (06/2004)
|
| DocumentType |
Standard
|
| Pages |
36
|
| PublisherName |
British Standards Institution
|
| Status |
Withdrawn
|
| SupersededBy |
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