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BS ISO 18283:2022 – TC

BS ISO 18283:2022 – TC

$258.95

Tracked Changes. Coal and coke. Manual sampling

Published By Publication Date Number of Pages
BSI 2022 180
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PDF Catalog

PDF Pages PDF Title
1 30465345
111 A-30387291
112 National foreword
117 Foreword
119 Introduction
121 1 Scope
2 Normative references
3 Terms and definitions
124 4 Establishing a sampling scheme
4.1 General
4.1.1 Sampling
125 4.1.2 Sampling scheme
4.1.3 Parameters
4.1.4 Sampling methods
4.2 Design of the sampling scheme
4.2.1 General
126 4.2.2 Coal or coke to be sampled and considerations for sampling
4.2.3 Division of lots
127 4.2.4 Precision of results
4.2.5 Bias of results
4.2.6 Requirements for test samples
128 4.3 Precision of sampling
4.3.1 General
4.3.2 Precision and total variance
129 4.3.3 Primary increment variance
130 4.3.4 Sub-lot variance
4.3.5 Preparation and testing variance
131 4.3.6 Number of sub-lots and number of increments per sub-lot
132 4.3.7 Minimum mass of samples for general analysis and determination of total moisture content
134 4.4 Checking the overall precision for the lot by calculation and selection of sampling scheme
4.5 Determination of acquired precision by replicate sampling
4.5.1 General
135 4.5.2 Method and calculation
136 4.5.3 Precision obtained using normal sampling scheme
4.6 Size analysis
5 Methods of sampling
5.1 General
137 5.2 Sampling by time interval (time-basis sampling)
5.3 Sampling by mass interval (mass-basis sampling)
5.4 Stratified random sampling
5.4.1 General
138 5.4.2 Stratified random sampling by time interval
5.4.3 Stratified random sampling by mass interval
5.5 Extracting the increment
5.6 Coal or coke in motion
5.6.1 General
5.6.2 Stopped belt
139 5.6.3 Falling stream
140 5.6.4 Moving belt
5.6.5 Stockpiles (building/reclaiming)
5.6.6 Grabs/front-end loaders
141 5.6.7 Barges/trucks/railcars/wagons (loading/unloading)
142 5.7 Moisture/common sample
5.8 Different coals or cokes
5.9 Random selection of increments
144 6 Sampling equipment
6.1 General
6.2 Examples
6.2.1 Ladles
6.2.2 Shovels
145 6.2.3 Scoops
6.2.4 Probes
6.2.5 Manual cutter
6.2.6 Stopped-belt sampling frame
148 7 Handling and storage of samples
7.1 Sample size
7.2 Time
149 7.3 Divided sample
7.4 Containers
150 7.5 Moisture loss/breakage or degradation
151 7.6 Identification/labelling
8 Sample preparation
8.1 General
8.2 Constitution of a sample
152 8.3 Division
8.3.1 General
153 8.3.2 Mechanical methods
156 8.3.3 Manual methods
160 8.4 Reduction
8.4.1 General
8.4.2 Reduction mills
161 8.5 Mixing
8.6 Air-drying of coal
162 8.7 Coal — Preparation of test samples
8.7.1 Types of test samples
163 8.7.2 Preparation of samples for determination of total moisture content
8.7.3 Preparation of samples for general analysis
165 8.7.4 Common samples
167 8.7.5 Preparation of size-analysis sample
168 8.7.6 Preparation of samples for other tests
8.7.7 Reserve sample
8.8 Coke — Preparation of test samples
8.8.1 Types of test samples
170 8.8.2 Preparation of coke samples for determination of total moisture content
171 8.8.3 Preparation of samples for general analysis
172 8.8.4 Storage
8.8.5 Physical test sample
8.8.6 Samples for special properties
8.8.7 Reserve sample
9 Packing and marking of samples
173 10 Sampling report
174 Annex A (informative) Example of calculation of precision, mass of increments,number of sub-lots and number of increments per sub-lot
177 Annex B (informative) Methods of sampling coal and coke from stationary lots
179 Bibliography

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BS ISO 18283:2022 - TC
$258.95