Concentration of ion (M)

Bath

Ga(NO₃)₃

NH₄NO₃

H₃BO₃

HNO₃

pH

(a)

-

-

-

0.032

1.50

(b)

-

2.50

-

0.032

1.50

(c)

0.10

-

-

0.031

1.50

(d)

0.10

2.50

-

0.031

1.50

(e)

0.10

2.50

0.60

0.029

1.50