Ions

Residual activity (%)

2.5 mM

5 mM

10 mM

Control

100.0

100.0

100.0

K⁺

130.0^*

133.9^*

106.7

Ca⁺

123.1^*

124.8^*

116.1

Mn⁺

109.3

104.3

110.4

Zn⁺

108.4^*

98.7

85.8

Mg⁺

103.8

102.9

96.5

Co+

101.1

91.9

84.5

Cu⁺

85.7^*

78.2^*

64.5^*

Fe⁺

101.3

80.7

107.1

Na⁺

89.8

94.4

115.7