High Technology, Inc.
109 Production Road,
Walpole MA 02081 USA
Document Number
OM-E-FC-360-30
Revision Level
Rev. 3
Prepared by
J.S. Bolio
Approved by
S. Titov
Effective Date
8/15/2016
Operator’s Manual: HTI BioChem FC-360
HIGH TECHNOLOGY, INC. PROPRIETARY AND CONFIDENTIAL
Page 137 of 222
Diluter Precision
This test allows to determine volume precision of the diluter hydraulic system by making repeated
dilutions and readings of the same reaction at 340 nm.
Required materials:
Sample solution: Potassium Dichromate solution 5g/l in Perchloric Acid 0.001 N
Reagent solution: Potassium Dichromate solution 0.25 g/l in Washing Solution (Triton X-100 diluted). It is
prepared by diluting 5 ml of Sample Solution in one liter of Washing Solution.
Procedure
:
1. Set a new method with the parameters shown in Figure 12-38
Methods
Settings
2. Place the Sample Solution in a sample tube and the Reagent Solution in a reagent bottle and assign
a position in the reagents tray
3. Make the Diluter Precision test
Maintenance
Validations
Diluter Precision
mselect the
method
Dichromate Test
assign a position to the Sample Solution:
1
define the number of
replicates to be made, minimum
10
OK
Make the test duplicate.
Note: this test can also be used to validate methods in use, determining each test CV% at
different concentration values.
Figure 12-38
Acceptable diluter precision: CV% lower than 1.5%