[KSCN] (mM)	Volume of KSCN from previous tube (μL)	Milli-Q H2O (μL)
Prepare Fresh 1 M KSCN
100∗	10	90
10∗	10	90
4	40	60
2	50	50
1	50	50
0.5	50	50
0	0	25

∗Prepared only to minimize the error in the serial dilution, do not proceed with these tubes for the rest of the assay.