Figure 5 Select the hardness procedure
Section 5 Accuracy check
Use the standard addition method to check the accuracy of the digital titrator and
to make sure that the procedure was done correctly. Refer to the Accuracy check
section of the procedure for the steps.
If the actual number of digits necessary is not within 1% of the expected number
of digits during an accuracy check, refer to Troubleshooting on page 13.
English 11