Table 1 Experimental matrix, calculated CO₂ fugacity, precipitation rate (R), curvature (a) of titrant volume vs. time plots (described in text), average mol % Sr and D^P_Sr²⁺.

IR-1(6)

0.0032

9.0

0.009

0.001

-3.85

60.6 ± 6.6

3.5E-04

0.14

0.086 ± 0.01(4)

IR-2(3)

0.0315

9.3

0.003

0.003

-3.34

41.3 ± 3.4

1.1E-04

-

--

IR-3(10)

0.0728

9.2

0.002

0.0045

-3.16

64.1 ± 3.9

8.2E-05

0.47

0.066 ± 0.01(4)

IR-4(8)

0.1120

10.0

0.0017

0.0058

-3.05

59.0 ± 1.1

3.1E-05

0.68

0.078 ± 0.01(4)

IR-5(4)

0.1528

10.4

0.0015

0.0069

-2.98

64.2 ± 1.3

3.1E-05

1.09

0.105 ± 0.01(4)

IR-6(10)

0.3062

8.9

0.001

0.009

-2.86

74.5 ± 4.8

9.8E-05

1.53

0.102 ± 0.02(4)

IR-7(7)

0.5336

9.4

0.0008

0.0122

-2.73

58.8 ± 2.7

1.5E-07

1.12

0.081 ± 0.01(4)

IR-8(8)

0.7312

9.0

0.00068

0.014

-2.67

50.8 ± 2.6

-3.8E-05

1.03

0.081 ± 0.01(4)

IR-9(8)

0.9624

8.9

0.0006

0.016

-2.61

62.3 ± 4.4

-3.1E-05

0.45

0.091 ± .001(3)

R-10(6)

1.8220

9.7

0.00048

0.023

-2.45

46.3 ± 9,6

-7.9E-05

0.12

0.053 ± .001(2)

IR-11(5)

4.1500

7.6

0.0003

0.031

-2.33

0.0

NA

-

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