BS ISO 13909-4:2016 – TC:2020 Edition
$217.84
Tracked Changes. Hard coal and coke. Mechanical sampling – Coal. Preparation of test samples
| Published By | Publication Date | Number of Pages |
| BSI | 2020 | 89 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 54 | Foreword |
| 55 | Introduction |
| 56 | 1 Scope 2 Normative references 3 Terms and definitions 4 Precision of sample preparation |
| 57 | 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 |
| 58 | 5.3 Combination of samples 6 Division 6.1 General |
| 65 | 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 |
| 68 | 6.2.5 Division of samples |
| 69 | 6.3 Manual methods 6.3.1 Riffle method |
| 70 | 6.3.2 Flattened-heap method |
| 72 | 6.3.3 Strip-mixing and splitting method |
| 74 | 7 Reduction 7.1 General 7.2 Reduction mills 8 Mixing 9 Air-drying |
| 75 | 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 |
| 77 | 10.2.2 Storage 10.2.3 Sample reduction |
| 78 | 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 |
| 79 | 10.4 Common samples 10.4.1 General |
| 80 | 10.4.2 Extraction of moisture sample by mechanical division 10.4.3 Extraction of moisture sample by manual method |
| 81 | 10.5 Preparation of size-analysis sample |
| 82 | 10.6 Preparation of samples for other tests |
| 83 | 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 |
| 84 | 12.2.2 Cutter velocity 12.3 Preparation systems 12.3.1 General 12.3.2 Design criteria |
| 85 | 12.3.3 Abnormal operation 12.4 Provision for checking for precision 12.5 Provision for testing for bias |
| 86 | Bibliography |
