Contributor #H-9042
Anonymous submitter. Sample-vial provenance and fill differences.
Section 1
Contribution
Both submits records and annotates other people's.
Records submitted
20
n=20
Annotations
0
n=0
Median purity submitted
98.86%
n=20
Suppliers covered
12
n=20
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.