Contributor #L-4409
Anonymous submitter. Named impurities vs totals-only reporting.
Section 1
Contribution
Both submits records and annotates other people's.
Records submitted
13
n=13
Annotations
0
n=0
Median purity submitted
98.91%
n=13
Suppliers covered
10
n=13
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.