BS ISO 13909-4:2016
$167.15
Hard coal and coke. Mechanical sampling – Coal. Preparation of test samples
| Published By | Publication Date | Number of Pages |
| BSI | 2016 | 42 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 7 | Foreword |
| 8 | Introduction |
| 9 | 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 6 Division 6.1 General |
| 18 | 6.2 Mechanical methods 6.2.1 General 6.2.2 Mass of cut 6.2.3 Interval between cuts 6.2.4 Division of individual increments |
| 21 | 6.2.5 Division of 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 |
| 27 | 7 Reduction 7.1 General 7.2 Reduction mills 8 Mixing 9 Air-drying |
| 28 | 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 |
| 30 | 10.2.2 Storage 10.2.3 Sample reduction |
| 31 | 10.2.4 Sample division 10.3 Preparation of samples for general analysis only 10.3.1 General 10.3.2 Air-drying 10.3.3 Reduction and division |
| 32 | 10.4 Common samples 10.4.1 General |
| 33 | 10.4.2 Extraction of moisture sample by mechanical division 10.4.3 Extraction of moisture sample by manual method |
| 34 | 10.5 Preparation of size-analysis sample |
| 35 | 10.6 Preparation of samples for other tests |
| 36 | 11 Reserve sample 12 Design of equipment for preparation 12.1 Dividers 12.2 Design of cutters for falling-stream dividers 12.2.1 General |
| 37 | 12.2.2 Cutter velocity 12.3 Preparation systems 12.3.1 General 12.3.2 Design criteria |
| 38 | 12.3.3 Abnormal operation 12.4 Provision for checking for precision 12.5 Provision for testing for bias |
| 39 | Bibliography |
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BS ISO 13909-4:2016 – TC:2020 Edition
Tracked Changes. Hard coal and coke. Mechanical sampling – Coal. Preparation of test samples Published…
