# ITS-90 SPRT reference function coefficients A (T90 = 13.8033 K to 273.16 K)
Coefficient	Value
A0	-2.13534729
A1	3.18324720
A2	-1.80143597
A3	0.71727204
A4	0.50344027
A5	-0.61899395
A6	-0.05332322
A7	0.28021362
A8	0.10715224
A9	-0.29302865
A10	0.04459872
A11	0.11868632
A12	-0.05248134