20
1
Set the meter as shown below.
2
Prepare the standard solutions.
Prepare the two types of standard solution to create K
+
concentration ratio
1:10.
For example, if the sample solution concentration is 250 mg/L, prepare
standard solutions of 100 mg/L and 1000 mg/L. This case is used as an
example in the following steps.
3
Prepare the first solution for calibration.
(1) Put 50 mL of 100 mg/L standard solution into a 100 mL beaker.
(2) Add 1 mL of ISA.
(3) Stir the solution slowly with a magnetic stirrer.
Set the valence as shown in the
table on the right.
Setting item
Setting value
V1
Always use new standard solution for calibration.
Note
Note
(1) Standard solution (100 mg/L)
(2) ISA
Beaker: 100 mL
(3)
Stir the solution slowly
with a magnetic stirrer.
1 mL
50 mL
Содержание 6582S-10C
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Страница 79: ...69 Specifications External dimensions Unit mm 16 5 O D 18 85 150...