BS ISO 13909-2:2001:2008 Edition
$167.15
Hard coal and coke. Mechanical sampling – Coal. Sampling from moving streams
| 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 | Hard coal and coke�— Mechanical sampling�— 1��� Scope 2��� Normative references 3��� Terms and definitions 4��� Establishing a sampling scheme 4.1��� General |
| 8 | 4.2��� Continuous and intermittent sampling 4.2.1��� Continuous sampling 4.2.2��� Intermittent sampling 4.3��� Design of the sampling scheme 4.3.1��� Material to be sampled |
| 9 | 4.3.2��� Division of lots 4.3.3��� Basis of sampling 4.3.4��� Precision of results 4.3.5��� Bias of results 4.4��� Precision of sampling 4.4.1��� Precision and total variance |
| 10 | 4.4.2��� Primary increment variance |
| 11 | 4.4.3��� Sub-lot variance 4.4.4��� Preparation and testing variance 4.4.5��� Number of sub-lots and number of increments per sub-lot 4.4.5.1��� General |
| 12 | 4.4.5.2��� Continuous sampling 4.4.5.3��� Intermittent sampling |
| 13 | 4.5��� Minimum mass of sample 4.6��� Mass of primary increment |
| 15 | 4.7��� Size analysis |
| 16 | 5��� Methods of sampling 5.1��� General |
| 17 | 5.2��� Time-basis sampling 5.2.1��� Method of taking primary increments 5.2.2��� Sampling interval 5.2.3��� Mass of increment 5.3��� Mass-basis sampling 5.3.1��� Method of taking primary increments 5.3.2��� Sampling interval |
| 18 | 5.3.3��� Mass of increment 5.4��� Stratified random sampling 5.4.1��� General 5.4.2��� Time-basis stratified random sampling |
| 19 | 5.4.3��� Mass-basis stratified random sampling 5.5��� Reference sampling 6��� Design of mechanical samplers 6.1��� Safety 6.2��� Information 6.3��� Basic requirements 6.4��� Location of sampling equipment 6.5��� Provision for checking precision |
| 20 | 6.6��� Provision for testing for bias 6.7��� General requirements for designing mechanical samplers 6.8��� Design of falling-stream-type samplers 6.8.1��� General |
| 23 | 6.8.2��� Cutter velocity |
| 24 | 6.9��� Cross-belt-type primary samplers 6.9.1��� Operation |
| 25 | 6.9.2��� Design of cross-belt samplers |
| 26 | 6.10��� Maintenance of sampling equipment 7��� Handling and storage of samples |
| 27 | 8��� Sample preparation 9��� Bias 9.1��� Minimization of bias |
| 28 | 9.2��� Checking for precision and bias 10��� Verification |
| 29 | Examples of calculations of the number of sub-lots and number of increments per sub-lot (sampling… A.1��� Continuous sampling A.1.1��� Example�1 A.1.2��� Example�2 |
| 30 | A.1.3��� Example�3 A.2��� Intermittent sampling A.2.1��� Example�1 A.2.2��� Example�2 |
| 32 | Evaluation of sampling equipment for mass-basis sampling B.1��� General |
| 33 | B.2��� Coefficient of variation of increment masses |
| 34 | B.3��� Correlation between increment mass and flow rate |
| 36 | Guidance on the operation of mechanical samplers |
| 37 | Bibliography |
