Reducing Samples to Test size
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1
for all 3 methods (quartermaster, riffle splitter and quartering), what must be ensured before starting?
the surfaces are clean
2
for the quartermaster and quartering method, what additional properties must the surface have?
needs to be level and non-stick
3
how many buckets do your need for the quartermaster method?
4 under each corner
4
with the doors closed and secured in the quartermaster method, how must the sample be poured?
a continuous pour or multiple pours from multiple directions
5
if there is material left on the surfaces of the quartermaster, what must be done?
remove from surface and lace into proper bucket
6
how many containers does the riffle splitter need?
2 per pour, 4 per sample
7
how must you pour your sample in a riffle splitter?
steadily move it back and forth from each wall until empty
8
for the quartering method
what must be done after your are sure it is clean, level and non-stick? it requires a scoop but what kind?
what must be done after your are sure it is clean, level and non-stick? it requires a scoop but what kind?
pour sample into tray, turn it 4 times with a flat bottom scoop
9
after mixing your sample with a flat bottom scoop in the quartering method
what do you do now?
what do you do now?
using your scoop, make a cone from piling up your mixed material
10
after making the cone in the quartering method
what must be done?
what must be done?
press down on the peak of the cone and flatten it out
11
how much wider does your flattened pile need to be than thick in the quartering method?
the diameter of the circle needs to be 4x - 8x the thickness
12
after making the flat pile of sample in the quartering method, what needs to be done?
press quartering templates (splitter bars) to the bottom of the tray through the center of the circle
13
how do you remove material in both the quartermaster and the quartering method?
remove opposite corners and repeat the process
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