The composition of glass membrane in glass electrode cannot have which of the following?
A. Sodium silicate
B. Calcium silicate
C. Lithium silicate
D. Barium silicate
Answer:D
The composition of glass membrane in glass electrode cannot have which of the following?
A. Sodium silicate B. Calcium silicate C. Lithium silicate D. Barium silicate
Explanation: Glass electrode consists of either sodium or calcium silicate or lithium silicates containing glass membrane. It has lanthanum and barium ions added to the membrane.