	power/W	concentration/mM	uncertainty/mM
0	0	0.039	0.006
1	640	0.304	0.049
2	1300	0.423	0.068
3	1900	0.553	0.088
4	2500	0.670	0.107
5	3200	0.722	0.115
6	6400	0.932	0.149
