Foreword
Introduction
1 Scope
2 Normative references
3 Definitions
4 Principles of sampling slurries
4.1 General
4.2 Sampling errors
4.2.1 General
4.2.2 Preparation error, PE
4.2.3 Delimitation and extraction errors,
DE and EE
4.2.4 Weighting error, WE
4.2.5 Periodic quality fluctuation error, QE[3]
4.3 Sampling and total variance
4.3.1 Sampling variance
4.3.2 Total variance
4.3.3 Sampling stage method of estimating
sampling and total variance
4.3.4 Simplified method of estimating
sampling and total variance
4.3.5 Interleaved sample method of measuring
total variance
5 Establishing a sampling scheme
6 Minimization of bias and unbiased increment mass
6.1 Minimization of bias
6.2 Volume of increment for falling-stream
samplers to avoid bias
6.3 Volume of increment for manual sampling
to avoid bias
7 Number of increments
7.1 General
7.2 Simplified method
8 Minimum mass of solids contained in lot and
sub-lot samples
8.1 Minimum mass of solids in lot samples
8.2 Minimum mass of solids in sub-lot samples
8.3 Minimum mass of solids in lot and sub-lot
samples after size reduction
9 Time-basis sampling
9.1 General
9.2 Sampling interval
9.3 Cutters
9.4 Taking of increments
9.5 Constitution of lot or sub-lot samples
9.6 Division of increments and sub-lot samples
9.7 Division of lot samples
9.8 Number of cuts for division
10 Stratified random sampling within fixed time intervals
11 Mechanical sampling from moving streams
11.1 General
11.2 Design of the sampling system
11.2.1 Safety of operators
11.2.2 Location of sample cutters
11.2.3 Provision for duplicate sampling
11.2.4 System for checking the precision and bias
11.2.5 Avoiding bias
11.3 Slurry sample cutters
11.3.1 General
11.3.2 Falling-stream cutters
11.3.3 Cutter velocities
11.4 Mass of solids in increments
11.5 Number of primary increments
11.6 Routine checking
12 Manual sampling from moving streams
12.1 General
12.2 Choosing the sampling location
12.3 Sampling implements
12.4 Mass of solids in increments
12.5 Number of primary increments
12.6 Sampling procedures
13 Sampling of stationary slurries
14 Sample preparation
14.1 General
14.2 Sample division
14.3 Sample grinding
14.4 Chemical analysis samples
14.5 Physical test samples
15 Packing and marking of samples
Annex A (normative) - Sampling stage method for estimating
sampling and total variance
A.1 Components of sampling error and sampling variance
A.2 Estimation of fundamental variance
A.3 Segregation and grouping variance
A.4 Long-range quality fluctuation variance
A.5 Practical estimation of total variance
Annex B (informative) - Examples of correct slurry sampling
devices
Annex C (informative) - Examples of incorrect slurry sampling
devices
Annex D (normative) - Manual sampling implements
Bibliography