T, K

τ, min

pH

Nickel precipitation, %

СNiFe ratio in the precipitate

293

120

1.3

27.45

0.45

313

120

1.6

65.2

1.87

333

120

1.8

97.1

4.5

353

120

2.0

97.4

3.8

363

120

2.0

98.7

4.1

379

120

2.0

99.8

4.0

379

30

1.0

24.7

0.32

379

60

1.3

43.3

1.1

379

90

1.95

70. 5

3.5

379

240

2.0

99.8

3.0