Electrode Construction

Sutter Flaming Brown Puller using glass capillary tubes from 
World Precision Instruments (WPI Item# TW150-4 Thin Wall No Filament, with 1.12 and 1.5 mm. inner and outer diameters, respectively)
'TRODE
TYPE
SHAPE TIP
DIAM.
'TRODE
TRANSITION
FILL
LIX or
active sensor
LIX
COL.
LEN.
Catalog #
Ca2+
B
2µm
100 mM CaCl2
Fluka
Ca2+ Ionophore I
Cocktail A
15-20µm Fluka 21048
Cd2+
B
2µm
100 mM CdCl2
Fluka
1% Cd2+ Ionophore I

65% BHDE*
34% PVC*
15-20µm Fluka 20909
K+   A  2µm  100mM KCL  Fluka 
K+ Ionophore I 
Cocktail B
180µm  Fluka 60398
H+  2µm  50mM KCl & 
50mM KH2PO4
Fluka 
H+ Ionophore I 
Cocktail B
15-25µm  Fluka 95293
Cl-  2µm  100mM KCl Fluka 
Cl- Ionophore I 
Cocktail A
15-25µm  Fluka 24902
CO32-   B*   2µm  10mM NaHCO3 in 
150mM NaCl
WPI # IE-310  20µm  WPI
O2    2µm  PtIr wire PI200101F tip
Duco cement coating
NA Martin Bak
Micro Probe Inc.
Potomac MD 20854
# PI 200101F
NO     7µm x 14µm  copper wire
graphite epoxy
treated
carbon fibre
7 Ám
NA WPI  NO electrodes

* BHDE = butyric acid-(10-hydroxy-decyl)ester
* PVC = polyvinyl chloride

Last Update: 06/01/2001

compiled by E. Faszewski
and J.G. Kunkel