pH

Buffer

Concentration, mM

Purity, %

Yield, %

5

K2HPO4

10

85.9 ± 0.2

78.0

K2HPO4

20

86.3 ± 0.2

78.1

TEAB

40

93.0 ± 0.3

75.1

6

K2HPO4

10

86.0 ± 0.1

78.8

K2HPO4

20

86.7 ± 0.2

77.9

TEAB

40

93.7 ± 0.3

75.7

7

K2HPO4

10

87.5 ± 0.5

79.0

K2HPO4

20

87.7 ± 0.2

77.9

TEAB

40

93.9 ± 0.1

74.5

8

K2HPO4

10

86.9 ± 0.3

79.1

K2HPO4

20

87.4 ± 0.3

77.8

TEAB

40

93.3 ± 0.1

74.5

9

K2HPO4

10

87.0 ± 0.1

78.9

K2HPO4

20

87.3 ± 0.1

77.5

TEAB

40

93.1 ± 0.1

74.1