AS 2862.1-2008
AS 2862.1-2008
Copper, lead, zinc and nickel concentrates - Sampling Sampling procedures for determination of metal and moisture content
Standards Australia
Copper, lead, zinc and nickel concentrates - Sampling Sampling procedures for determination of metal and moisture content
Standards Australia
<toc>
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<pageno>1</pageno>
<text>AS 2862.1-2008 Copper, lead, zinc and nickel concentrates-Sampling - Part 1: Sampling procedures for determination of metal and moisture content</text>
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<pageno>4</pageno>
<text>PREFACE</text>
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<pageno>5</pageno>
<text>CONTENTS</text>
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<pageno>9</pageno>
<text>1 Scope</text>
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<pageno>9</pageno>
<text>2 Normative references</text>
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<bookmark index='5'>
<pageno>10</pageno>
<text>3 Terms and definitions</text>
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<bookmark index='6'>
<pageno>12</pageno>
<text>4 Sampling theory</text>
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<pageno>12</pageno>
<text>4.1 General</text>
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<pageno>13</pageno>
<text>4.2 Total variance</text>
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<pageno>14</pageno>
<text>4.3 Sampling-stage method of estimating sampling and total variance</text>
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<pageno>17</pageno>
<text>4.4 Simplified method of estimating sampling and total variance</text>
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<pageno>18</pageno>
<text>4.5 Interleaved sample method of measuring total variance</text>
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<pageno>20</pageno>
<text>5 Establishing a sampling scheme</text>
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<pageno>25</pageno>
<text>6 Mass of increment</text>
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<pageno>25</pageno>
<text>6.1 General</text>
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<pageno>25</pageno>
<text>6.2 Mass of increment for falling-stream samplers</text>
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<pageno>25</pageno>
<text>6.3 Mass of increment for cross-belt samplers</text>
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<pageno>26</pageno>
<text>6.4 Mass of increment for manual sampling from stationary lots</text>
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<pageno>26</pageno>
<text>6.5 Mass of increment for stopped-belt reference sampling</text>
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<pageno>26</pageno>
<text>7 Methods of sampling from concentrate streams</text>
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<pageno>26</pageno>
<text>7.1 General</text>
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<pageno>26</pageno>
<text>7.2 Mass-basis systematic sampling</text>
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<pageno>29</pageno>
<text>7.3 Time-basis systematic sampling</text>
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<pageno>30</pageno>
<text>7.4 Stratified random sampling</text>
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<pageno>31</pageno>
<text>8 Mechanical sampling of concentrate streams</text>
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<pageno>31</pageno>
<text>8.1 General</text>
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<pageno>31</pageno>
<text>8.2 Design of the sampling system</text>
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<pageno>32</pageno>
<text>8.3 Sample cutters</text>
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<pageno>35</pageno>
<text>8.4 Mass of increments</text>
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<pageno>35</pageno>
<text>8.5 Number of increments</text>
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<pageno>35</pageno>
<text>8.6 Sampling interval</text>
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<pageno>35</pageno>
<text>8.7 Routine checking</text>
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<pageno>36</pageno>
<text>9 Manual sampling of concentrate streams</text>
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<pageno>36</pageno>
<text>9.1 General</text>
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<pageno>36</pageno>
<text>9.2 Choosing the sampling location</text>
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<pageno>36</pageno>
<text>9.3 Sampling implements</text>
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<bookmark index='36'>
<pageno>36</pageno>
<text>9.4 Mass of increments</text>
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<bookmark index='37'>
<pageno>36</pageno>
<text>9.5 Number of increments</text>
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<bookmark index='38'>
<pageno>36</pageno>
<text>9.6 Sampling interval</text>
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<pageno>37</pageno>
<text>9.7 Sampling procedures</text>
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<pageno>38</pageno>
<text>10 Stopped-belt reference sampling</text>
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<bookmark index='41'>
<pageno>39</pageno>
<text>11 Sampling from grabs</text>
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<pageno>39</pageno>
<text>11.1 General</text>
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<bookmark index='43'>
<pageno>39</pageno>
<text>11.2 Mass of primary increments</text>
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<bookmark index='44'>
<pageno>39</pageno>
<text>11.3 Number of primary increments</text>
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<pageno>39</pageno>
<text>11.4 Method of sampling</text>
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<pageno>39</pageno>
<text>11.5 Constitution of subsamples and lot samples</text>
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<pageno>40</pageno>
<text>12 Sampling from trucks, railway wagons and sampling hoppers</text>
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<pageno>40</pageno>
<text>12.1 General</text>
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<bookmark index='49'>
<pageno>40</pageno>
<text>12.2 Mass of primary increments</text>
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<bookmark index='50'>
<pageno>40</pageno>
<text>12.3 Number of primary increments</text>
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<bookmark index='51'>
<pageno>40</pageno>
<text>12.4 Method of sampling</text>
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<bookmark index='52'>
<pageno>40</pageno>
<text>12.5 Constitution of subsamples and lot samples</text>
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<pageno>43</pageno>
<text>13 Sampling of concentrate in bags or drums</text>
<bookmark index='54'>
<pageno>43</pageno>
<text>13.1 General</text>
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<bookmark index='55'>
<pageno>43</pageno>
<text>13.2 Mass of primary increments</text>
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<bookmark index='56'>
<pageno>43</pageno>
<text>13.3 Number of primary increments</text>
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<bookmark index='57'>
<pageno>44</pageno>
<text>13.4 Method of sampling</text>
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<bookmark index='58'>
<pageno>44</pageno>
<text>13.5 Constitution of subsamples and lot samples</text>
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<bookmark index='59'>
<pageno>45</pageno>
<text>14 Sampling of stockpiles</text>
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<bookmark index='60'>
<pageno>45</pageno>
<text>15 Methods of comminution, mixing and division</text>
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<pageno>45</pageno>
<text>15.1 General</text>
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<bookmark index='62'>
<pageno>45</pageno>
<text>15.2 Comminution</text>
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<bookmark index='63'>
<pageno>46</pageno>
<text>15.3 Mixing</text>
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<bookmark index='64'>
<pageno>48</pageno>
<text>15.4 Division</text>
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<pageno>57</pageno>
<text>16 Sample requirements</text>
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<pageno>57</pageno>
<text>16.1 Moisture samples</text>
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<bookmark index='67'>
<pageno>57</pageno>
<text>16.2 Chemical analysis samples</text>
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<bookmark index='68'>
<pageno>58</pageno>
<text>16.3 Physical test samples</text>
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<pageno>58</pageno>
<text>17 Packing and marking of samples</text>
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<bookmark index='70'>
<pageno>59</pageno>
<text>Annex A (normative) Sampling stage method of estimating sampling and total variance</text>
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<pageno>66</pageno>
<text>Annex B (informative) Estimation of total variance - Barge unloading using a grab</text>
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<bookmark index='72'>
<pageno>70</pageno>
<text>Annex C (informative) Mechanical sample cutters</text>
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<bookmark index='73'>
<pageno>75</pageno>
<text>Annex D (informative) Checklist for mechanical sampling systems</text>
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<bookmark index='74'>
<pageno>79</pageno>
<text>Annex E (normative) Manual sampling devices</text>
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<bookmark index='75'>
<pageno>81</pageno>
<text>Annex F (informative) Apparatus for manual sampling of concentrates from stopped belts</text>
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<bookmark index='76'>
<pageno>82</pageno>
<text>Annex G (informative) Sampling of stockpiles</text>
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<bookmark index='77'>
<pageno>84</pageno>
<text>Annex H (normative) Increment division scoops for conducting manual increment division</text>
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<bookmark index='78'>
<pageno>85</pageno>
<text>Bibliography</text>
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</toc>
Adopts ISO 12743:2006 to provide procedures for sampling copper, lead, zinc and nickel concentrates to determine the metal and moisture content.
Document Type | Standard |
Status | Current |
Publisher | Standards Australia |
Committee | MN-005 |
Supersedes |
|