Contributor #R-7069
Anonymous submitter. Repeat purchases of one lot over six months.
Section 1
Contribution
Purchases material, pays for assays, and submits the resulting reports to the index.
Records submitted
12
n=12
Annotations
0
n=0
Median purity submitted
98.98%
n=12
Suppliers covered
6
n=12
Section 2
Records submitted
A submitter chose to buy this material and to pay for this assay. That choice is the selection mechanism behind the whole index and it is not random.