BS ISO 13909-4:2001:2008 Edition
$167.15
Hard coal and coke. Mechanical sampling – Coal. Preparation of test samples
| Published By | Publication Date | Number of Pages |
| BSI | 2008 | 38 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 3 | Hard coal and coke�— Mechanical sampling�— |
| 5 | Contents Page |
| 6 | Foreword |
| 7 | Introduction |
| 9 | Hard coal and coke�— Mechanical sampling�— 1��� Scope 2��� Normative references 3��� Terms and definitions 4��� Precision of sample preparation |
| 10 | 5��� Constitution of a sample 5.1��� Introduction 5.2��� Combination of increments 5.2.1��� Time-basis sampling 5.2.2��� Mass-basis sampling |
| 11 | 5.3��� Combination of samples |
| 12 | 6��� Division 6.1��� General 6.2��� Mechanical methods 6.2.1��� General 6.2.2��� Mass of cut 6.2.3��� Interval between cuts |
| 19 | 6.2.4��� Division of individual increments 6.2.4.1��� Number of cuts |
| 20 | 6.2.4.2��� Minimum mass of divided increment |
| 21 | 6.2.5��� Division of samples 6.2.5.1��� Number of cuts 6.2.5.2��� Minimum mass of divided samples |
| 22 | 6.3��� Manual methods 6.3.1��� Riffle method |
| 23 | 6.3.2��� Flattened-heap method |
| 25 | 6.3.3��� Strip-mixing and splitting method 7��� Reduction 7.1��� General 7.2��� Reduction mills |
| 26 | 8��� Mixing |
| 27 | 9��� Air-drying 10��� Preparation of samples for specific tests 10.1��� Types of test samples 10.2��� Preparation of samples for determination of total moisture only 10.2.1��� General |
| 28 | 10.2.2��� Storage 10.2.3��� Sample reduction 10.2.4��� Sample division |
| 29 | 10.3��� Preparation of samples for general analysis only 10.3.1��� General 10.3.2��� Air-drying |
| 30 | 10.3.3��� Reduction and division 10.4��� Common samples 10.4.1��� General 10.4.2��� Extraction of moisture sample by mechanical division |
| 31 | 10.4.3��� Extraction of moisture sample by manual method |
| 32 | 10.5��� Preparation of size-analysis sample |
| 33 | 10.6��� Preparation of samples for other tests 11��� Reserve sample 12��� Design of equipment for preparation 12.1��� Dividers |
| 34 | 12.2��� Design of cutters for falling-stream dividers 12.2.1��� General 12.2.2��� Cutter velocity |
| 35 | 12.3��� Preparation systems 12.3.1��� General 12.3.2��� Design criteria 12.3.3��� Abnormal operation 12.4��� Provision for checking for precision |
| 36 | 12.5��� Provision for testing for bias |
| 37 | Bibliography |
