Analytik Jena multi EA 4000 User Manual

Operation
64 Edition 01/2016 multi EA 4000
Sulfuric acid containers with splitting outlet
only
11. Connect the bypass hose to the gas
inlet branch of the halide trap filled
with copper wool.
7.4.2 Preparing the electrolyte solution
WARNING
The 100% acetic and nitric acid used to prepare the electrolyte solution can cause severe
chemical burns!
Wear the appropriate protective clothing when preparing
the electrolyte solution!
Observe all requirements in the EC safety data sheets!
Required reagents:
200 ml acetic acid = 99 %
4 ml concentrated nitric acid
4 g gelatin
1,0 g thymol
0.3 g thymol blue
500 ml methanol
Prepare the electrolyte solution as follows:
1. solution A:
fill 500 ml water into a 1000 ml measuring flask, add 4 ml HNO
3
(conc.), carefully add
200 ml acetic acid and fill with water up to the marking.
2. solution B1:
mix 4 g gelatin in a beaker with 400 ml, allow to swell for 3 hours and then dissolve
whilst heating to (35 – 45) °C.
3. solution B2:
dissolve 1.0 g thymol and 0.3 g thymol blue in a beaker in 500 ml methanol.
4. solution B:

Analytik Jena multi EA 4000 Specifications

General

Brand	Analytik Jena
Model	multi EA 4000
Category	Measuring Instruments
Language	English