1 procedure for measuring iso-a-acids and a-acids, 1 executing the test with the sipper module, 1 procedure for measuring iso – Hach-Lange DR 5000 brewerie analysis, supplementary software LZV570 User Manual
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Working procedures
2.10.1 Procedure for measuring iso-
α-acids and α-acids
1. Prepare samples and blank value solution as described in the
working procedure.
2. Select
STORED PROGRAMS
in the “Main Menu“. Select test
number
813
.
3. Insert blank value cuvette (see sample preparation) into the cell
compartment. Close the cell compartment. Touch
ZERO
.
4. Insert the sample cuvette containing the prepared sample into
the cell compartment. Close the cell compartment. Touch
READ
. The result is displayed.
Note: Analysis of additional samples: Repeat working procedure from
point 4. The prepared blank value solution can be used for the complete
series of measurements.
2.10.1.1 Executing the test with the sipper module
Information about the installation, module configurations and
sample introduction of the sipper module can be found in the user
manual of the DR 5000 Spectrophotometer (15.3.3. Installation
Sipper Module, page 133).