Constants (10−6)

(˚C)

33

0

1.027

0.203

1.31× 10−7

55

−0.076

1.992

−0.103

1.94 × 10−7

70

−0.079

2.180

−0.035

2.16 × 10−7

83

−0.108

2.496

0.255

2.86 × 10−7